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19-0471; Rev 0; 2/96
250MHz, Broadcast-Quality, Low-Power Video Op Amps
_______________General Description
The MAX4102/MAX4103 op amps combine high-speed performance and ultra-low differential gain and phase while drawing only 5mA of supply current. The MAX4102 is compensated for unity-gain stability, while the MAX4103 is compensated for a closed-loop gain (AVCL) of 2V/V or greater. The MAX4102/MAX4103 deliver a 250MHz -3dB bandwidth (MAX4102) or a 180MHz -3dB bandwidth (MAX4103). Differential gain and phase are an ultra-low 0.002%/0.002 (MAX4102) and 0.008%/0.003 (MAX4103), making these amplifiers ideal for composite video applications. These high-speed op amps have a wide output voltage swing of 3.4V (RL = 100) and 80mA current-drive capability.
____________________________Features
o 250MHz -3dB Bandwidth (MAX4102) 180MHz -3dB Bandwidth (MAX4103) o Unity-Gain Stable (MAX4102) o 350V/s Slew Rate o Lowest Differential Gain/Phase (RL = 150) MAX4102: 0.002%/0.002 MAX4103: 0.008%/0.003 o Low Distortion (SFDR 5MHz): -78dBc o 100dB Open-Loop Gain o High Output Drive: 80mA o Low Power: 5mA Supply Current
MAX4102/MAX4103
________________________Applications
Broadcast and High-Definition TV Systems
______________Ordering Information
Pulse/RF Amplifier
PART TEMP. RANGE -40C to +85C -40C to +85C PIN-PACKAGE 8 SO 8 SO
ADC/DAC Amplifier
MAX4102ESA MAX4103ESA
________Typical Application Circuit
__________________Pin Configuration
TOP VIEW
INPUT 75
MAX4102 MAX4103
N.C. 1 75 IN- 2 390 390 IN+ 3 VEE 4
MAX4102 MAX4103
8 7 6 5
N.C. VCC OUT N.C.
SO
VIDEO CABLE DRIVER
________________________________________________________________ Maxim Integrated Products
1
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250MHz, Broadcast-Quality, Low-Power Video Op Amps MAX4102/MAX4103
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to VEE) ..................................................12V Voltage on Any Pin to Ground or Any Other Pin .........VCC to VEE Short-Circuit Duration (VOUT to GND)........................Continuous Continuous Power Dissipation (TA = +70C) SO (derate 5.88mW/C above +70C) .........................471mW Operating Temperature Range MAX4102ESA/MAX4103ESA ...........................-40C to +85C Storage Temperature Range .............................-65C to +160C Lead Temperature (soldering, 10sec) .............................+300C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(VCC = 5V, VEE = -5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) PARAMETER DC SPECIFICATIONS Input Offset Voltage Input Offset Voltage Drift Input Bias Current Input Offset Current Common-Mode Input Resistance Common-Mode Input Capacitance Input Voltage Noise Integrated Voltage Noise Input Current Noise Integrated Current Noise Common-Mode Input Voltage Common-Mode Rejection Power-Supply Rejection Open-Loop Voltage Gain Quiescent Supply Current Output Voltage Swing Output Current Short-Circuit Output Current ISC VCM CMR PSR AVOL ISY VOUT VCM = 2.5V VS = 4.5V to 5.5V VOUT = 2.0V, VCM = 0V VIN = 0V RL = RL = 100 RL = 30, TA = 0C to +85C Short to ground or either supply voltage 3.3 3.1 65 RL = RL = 100 in VOS TCVOS IB IOS RINCM CINCM en VOUT = 0V VOUT = 0V VOUT = 0V, VIN = -VOS VOUT = 0V, VIN = -VOS Either input Either input f = 100kHz f = 1MHz to 100MHz f = 100kHz f = 1MHz to 100MHz MAX4102 MAX4103 MAX4102 MAX4103 MAX4102 MAX4103 MAX4102 MAX4103 -2.5 75 70 66 70 100 100 96 100 4.6 3.7 3.4 80 90 6 0.5 5 3 0.04 5 1 7 5 88 63 1.0 1.0 12.5 12.5 2.5 9 0.5 8 mV V/C A A M pF nV/Hz VRMS pA/Hz nARMS V dB dB dB mA V mA mA SYMBOL CONDITIONS MIN TYP MAX UNITS
2
_______________________________________________________________________________________
250MHz, Broadcast-Quality, Low-Power Video Op Amps
AC ELECTRICAL CHARACTERISTICS
(VCC = 5V, VEE = -5V, RL = 100, AVCL = +1 (MAX4102), AVCL = +2 (MAX4103), TA = +25C, unless otherwise noted.) PARAMETER AC SPECIFICATIONS -3dB Bandwidth 0.1dB Bandwidth Slew Rate Settling Time Rise/Fall Times Differential Gain Differential Phase Input Capacitance Output Resistance Spurious-Free Dynamic Range SR ts tR, tF DG DP CIN ROUT SFDR f = 10MHz fC = 5MHz, VOUT = 2Vp-p MAX4102 MAX4103 MAX4102 MAX4103 BW VOUT 0.1VRMS MAX4102 MAX4103 -2V VOUT 2V -1V VOUT 1V 10% to 90%, -2V VOUT 2V 10% to 90%, -50mV VOUT 50mV f = 3.58MHz, RL = 150 f = 3.58MHz, RL = 150 MAX4102 MAX4103 MAX4102 MAX4103 to 0.1% to 0.01% MAX4102 MAX4103 250 180 130 80 350 18 30 13 1.5 0.002 0.008 0.002 0.003 2 0.7 0.7 -78 -76 MHz MHz V/s ns ns % degrees pF dBc SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX4102/MAX4103
__________________________________________Typical Operating Characteristics
(VCC = 5V, VEE = -5V, RL = 100, TA = +25C, unless otherwise noted.)
MAX4102 DIFFERENTIAL GAIN AND PHASE
DIFF GAIN (%) DIFF GAIN (%) 0.004 0.002 0.000 RL = 150 AVCL = 1V/V 0 DIFF PHASE (deg) 0.004 0.002 0.000 RL = 150 AVCL = 1V/V 0 IRE 100 IRE 100 DIFF PHASE (deg) 0.004 0.002 0.000 0.004 0.002 0.000 -0.002 -0.004 -0.006 -0.008 -0.010
MAX4102/03-01
MAX4103 DIFFERENTIAL GAIN AND PHASE
0.004 0.002 0.000 -0.002 -0.004 -0.006 -0.008 -0.010
MAX4102/03-02
MAX4102 DIFFERENTIAL GAIN AND PHASE
DIFF GAIN (%)
MAX4102/03-03
-0.002 -0.004 -0.006
RL = 150 AVCL = 2V/V 0 100 IRE
RL = 75 AVCL = 1V/V 0 100 IRE
-0.002 -0.004
-0.006
-0.002 RL = 150 -0.004 A VCL = 2V/V -0.006 0 IRE
100
DIFF PHASE (deg)
0.015 RL = 75 0.010 AVCL = 1V/V 0.005
0.000 -0.005 -0.010 0 IRE 100
_______________________________________________________________________________________
3
250MHz, Broadcast-Quality, Low-Power Video Op Amps MAX4102/MAX4103
____________________________Typical Operating Characteristics (continued)
(VCC = 5V, VEE = -5V, RL = 100, TA = +25C, unless otherwise noted.)
MAX4102 SMALL-SIGNAL GAIN vs. FREQUENCY (AVCL = +1)
MAX4102/03-04 MAX4102/03-05
MAX4103 DIFFERENTIAL GAIN AND PHASE
DIFF GAIN (%) 0.005 0.000 4 3 2 GAIN (dB) RL = 75 AVCL = 2V/V 0 IRE 0.020 0.015 0.010 0.005 0.000 -0.005 -0.010 DIFF PHASE (deg) RL = 75 AVCL = 2V/V 100 1
MAX4103 SMALL-SIGNAL GAIN vs. FREQUENCY (AVCL = +2)
3 2 1 GAIN (dB) 0 -1 -2 -3 -4 -5 -6
MAX4102/03-06
4
-0.005 -0.010 -0.015 -0.020
0 -1 -2 -3 -4 -5 -6
0 IRE
100
0.1M
1M
10M
100M
1G
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
FREQUENCY (Hz)
MAX4102/MAX4103 OPEN-LOOP GAIN AND PHASE vs. FREQUENCY
200
MAX4102/03-07
MAX4102 SMALL-SIGNAL PULSE RESPONSE (AVCL = +1)
200
MAX4102/03-09
MAX4102 SMALL-SIGNAL PULSE RESPONSE (AVCL = +5)
MAX4102/03-10
100
100 VOLTAGE (25mv/div) IN PHASE (degrees)
0
0
-100
-100
VOLTAGE (25mv/div)
GND
IN
GND
GAIN (dB)
OUT -200 -200
GND
OUT
GND
-300 1 100 10k 1M 100M 1G FREQUENCY (Hz)
-300 TIME (10ns/div) TIME (20ns/div)
MAX4102 LARGE-SIGNAL PULSE RESPONSE (AVCL = +1)
MAX4102/03-11
MAX4102 LARGE-SIGNAL PULSE RESPONSE (AVCL = +5)
MAX4102/03-12
MAX4103 SMALL-SIGNAL PULSE RESPONSE (AVCL = +2)
MAX4102/03-13
VOLTAGE (500mv/div)
OUT
GND
OUT
GND
VOLTAGE (25mv/div)
IN
GND
VOLTAGE (500mv/div)
IN
GND
IN
GND
OUT
GND
TIME (10ns/div)
TIME (20ns/div)
TIME (10ns/div)
4
_______________________________________________________________________________________
250MHz, Broadcast-Quality, Low-Power Video Op Amps
____________________________Typical Operating Characteristics (continued)
(VCC = 5V, VEE = -5V, RL = 100, TA = +25C, unless otherwise noted.)
MAX4103 SMALL-SIGNAL PULSE RESPONSE (AVCL = +10)
MAX4102/03-14
MAX4102/MAX4103
MAX4103 LARGE-SIGNAL PULSE RESPONSE (AVCL = +2)
MAX4102/03-15
MAX4103 LARGE-SIGNAL PULSE RESPONSE (AVCL = +10)
MAX4102/03-16
VOLTAGE (500mv/div)
OUT
GND
OUT
GND
VOLTAGE (500mv/div)
IN VOLTAGE (25mv/div)
GND
IN
GND
IN
GND
OUT
GND
TIME (20ns/div)
TIME (10ns/div)
TIME (20ns/div)
MAX4102 DISTORTION vs. FREQUENCY (AVCL = +1)
MAX4102/03-17
MAX4102 TOTAL HARMONIC DISTORTION vs. FREQUENCY
MAX4102/03-18
MAX4103 DISTORTION vs. FREQUENCY (AVCL = +2)
VOUT = 2Vp-p RL = 100
MAX4102/03-19
-40 HARMONIC DISTORTION (dBc) -50 -60 -70 -80 -90 -100 -110 0.1 1 10 3RD HARMONIC 2ND HARMONIC VOUT = 2Vp-p RL = 100
1 TOTAL HARMONIC DISTORTION (%) VOUT = 2Vp-p RL = 100 AVCL = +1 0.1
-40 HARMONIC DISTORTION (dBc) -50 -60 -70 -80 -90 -100 -110 3RD HARMONIC 2ND HARMONIC
0.01
0.001 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz)
0.1
1
10
100
FREQUENCY (MHz)
MAX4103 DISTORTION vs. FREQUENCY (AVCL = +5)
MAX4102/03-20
MAX4103 TOTAL HARMONIC DISTORTION vs. FREQUENCY
MAX4102/03-21
MAX4102 5MHz DISTORTION vs. LOAD
fOUT = 5MHz VOUT = 2Vp-p AVCL = +1
MAX4102/03-22
-40 HARMONIC DISTORTION (dBc) -50 -60 2ND HARMONIC -70 -80 -90 -100 -110 0.1 1 10 3RD HARMONIC VOUT = 2Vp-p RL = 100
1 TOTAL HARMONIC DISTORTION (%) VOUT = 2Vp-p RL = 100 AVCL = +2 0.1
-40 HARMONIC DISTORTION (dBc) -50 -60 -70 2ND HARMONIC -80 -90 3RD HARMONIC -100
0.01
0.001 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz)
10
100 LOAD ()
1k
_______________________________________________________________________________________
5
250MHz, Broadcast-Quality, Low-Power Video Op Amps MAX4102/MAX4103
____________________________Typical Operating Characteristics (continued)
(VCC = 5V, VEE = -5V, RL = 100, TA = +25C, unless otherwise noted.)
MAX4103 5MHz DISTORTION vs. LOAD
MAX4102/03-23
MAX4102 5MHz DISTORTION vs. OUTPUT SWING
fOUT = 5MHz RL = 100 AVCL = +1
MAX4102/03-24
MAX4103 5MHz DISTORTION vs. OUTPUT SWING
fOUT = 5MHz RL = 100 AVCL = +2
MAX4102/03-25
-40 HARMONIC DISTORTION (dBc) -50 -60 -70 -80 -90 -100 10 100 LOAD () 3RD HARMONIC 2ND HARMONIC fOUT = 5MHz VOUT = 2Vp-p AVCL = +2
-40 HARMONIC DISTORTION (dBc) -50 -60 -70 -80 -90 -100 3RD HARMONIC 2ND HARMONIC
-40 HARMONIC DISTORTION (dBc) -50 -60 -70 -80 3RD HARMONIC -90 -100 2ND HARMONIC
1k
1 OUTPUT SWING (Vp-p)
10
1 OUTPUT SWING (Vp-p)
10
INPUT VOLTAGE NOISE vs. FREQUENCY
MAX4102/03-26
INPUT CURRENT NOISE vs. FREQUENCY
MAX4102/03-27
POWER-SUPPLY REJECTION vs. FREQUENCY
POWER-SUPPLY REJECTION (dB) 90 80 70 60 50 40 30 20 10
MAX4102/03-28
100
10
100
VOLTAGE NOISE (nV/Hz)
MAX4102 10
MAX4103
NOISE (pA/Hz)
5
1 1 10 100 1k 10k 100k FREQUENCY (Hz)
1 1 10 100 1k 10k 100k FREQUENCY (Hz)
0 0.2M 1M 10M 100M 1G FREQUENCY (Hz)
COMMON-MODE REJECTION
MAX4102/03-29
OUTPUT RESISTANCE vs. FREQUENCY
MAX4102/03-30
INPUT OFFSET VOLTAGE vs. TEMPERATURE
MAX4102/03-31
100 COMMON-MODE REJECTION (dB) 90 80 70 60 50 40 30 20 10 0 0.03M 0.1M 1M 10M 100M MAX4102 MAX4103
26.0 22.8 OUTPUT IMPEDANCE () 19.7
0.65 0.60 0.55 VOLTAGE (mV) 0.50 0.45 0.40 0.35 0.30
16.5 13.3 10.2 7.0 3.9 0.7 0.4 0
1G
0.1M
1M
10M
100M
1G
-75 -50
-25
0
25
50
75
100 125
FREQUENCY (Hz)
FREQUENCY (Hz)
TEMPERATURE (C)
6
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250MHz, Broadcast-Quality, Low-Power Video Op Amps
____________________________Typical Operating Characteristics (continued)
(VCC = 5V, VEE = -5V, RL = 100, TA = +25C, unless otherwise noted.)
MAX4102/MAX4103
INPUT OFFSET CURRENT vs. TEMPERATURE
MAX4102/03-32
OUTPUT SWING vs. LOAD RESISTANCE
3.5 OUTPUT SWING (Vp-p) 3.0 2.5 2.0 1.5 1.0 0.5 0
MAX4102/03-33
POSITIVE OUTPUT SWING vs. TEMPERATURE
MAX4102/03-34
0.055 0.050 0.045 CURRENT (A) 0.040 0.035 0.030 0.025 0.020 -75 -50 -25 0 25 50 75
4.0
3.9 3.8 OUTPUT SWING (Vp-p) 3.7 3.6 3.5 3.4 3.3 3.2 RL = 100 RL =
100 125
10
30
50
70
90
110
130
150
-75 -50 -25
0
25
50
75
100 125
TEMPERATURE (C)
LOAD RESISTANCE ()
TEMPERATURE (C)
NEGATIVE OUTPUT SWING vs. TEMPERATURE
MAX4102/03-35
POWER-SUPPLY CURRENT vs. TEMPERATURE
MAX4102/03-36
INPUT BIAS CURRENT vs. TEMPERATURE
MAX4102/03-37
-3.2 -3.3 OUTPUT SWING (Vp-p) -3.4 -3.5 -3.6 -3.7 -3.8 -3.9 -75 -50 -25 0 25 50 75 RL = RL = 100
6
8 7 6
CURRENT (mA)
5
CURRENT (A)
5 4 3 2
4
3 100 125 -75 -50 -25 0 25 50 75 100 125 TEMPERATURE (C) TEMPERATURE (C)
1 -75 -50 -25 0 25 50 75 100 125 TEMPERATURE (C)
_______________________________________________________________________________________
7
250MHz, Broadcast-Quality, Low-Power Video Op Amps MAX4102/MAX4103
_____________________Pin Description
PIN 1 2 3 4 5 6 7 8 NAME N.C. ININ+ VEE N.C. OUT VCC N.C. FUNCTION Not internally connected Inverting Input Noninverting Input Negative Power Supply. Connect to -5V Not internally connected Amplifier Output Positive Power Supply. Connect to +5V Not internally connected
* Do not use wire-wrap boards, because they are too inductive. * Do not use IC sockets. They increase parasitic capacitance and inductance. * In general, surface-mount components have shorter leads and lower parasitic reactance, and give better high-frequency performance than through-hole components. * The PC board should have at least two layers, with one side a signal layer and the other a ground plane. * Keep signal lines as short and as straight as possible. Do not make 90 turns; round all corners. * The ground plane should be as free from voids as possible. On Maxim's evaluation kit, the ground plane has been removed from areas where keeping the trace capacitance to a minimum is more important than maintaining ground continuity. For example, the ground plane has been removed from beneath the IC to minimize pin capacitance. The bypass capacitors should include a 0.1F at each supply pin and the ground plane, located as close to the package as possible. Then place a 10F to 15F lowESR tantalum at the point of entry (to the PC board) of the power-supply pins. The power-supply trace should lead directly from the tantalum capacitor to the VCC and VEE pins to maintain the low differential gain and phase of these devices.
_______________Detailed Description
The MAX4102/MAX4103 low-power, high-speed op amps feature ultra-low differential gain and phase, and are optimized for the highest quality video applications. Differential gain and phase errors are 0.002%/0.002 for the MAX4102 and 0.008%/0.003 for the MAX4103. The MAX4102 also features a -3dB bandwidth of over 250MHz and 0.1dB gain-flatness of 130MHz. The MAX4103 features a -3dB bandwidth of 180MHz and a 0.1dB bandwidth of 80MHz. The MAX4102 is unity-gain stable, and the MAX4103 is optimized for closed-loop gains of 2V/V (6dB) and higher. Both devices drive back-terminated 50 or 75 cables to 3.1V (min) and deliver an output current of 80mA. Available in a small 8-pin SO package, the MAX4102/ MAX4103 are ideal for high-definition TV systems (in RGB, broadcast, or consumer video applications) that benefit from low power consumption and superior differential gain and phase characteristics.
Setting Gain
The MAX4102/MAX4103 are voltage-feedback op amps that can be configured as an inverting or noninverting gain block, as shown in Figures 1a and 1b. The gain is determined by the ratio of two resistors and does not affect amplifier frequency compensation. In the unity-gain configuration (Figure 1c), maximum bandwidth and stability are achieved with the MAX4102 when a small feedback resistor is included. This resistor suppresses the negative effects of parasitic inductance and capacitance. A value of 24 provides the best combination of wide bandwidth, low peaking, and fast settling time. In addition, this resistor reduces the errors from input bias currents.
__________Applications Information
Grounding, Bypassing, and PC Board Layout
In order to achieve the full bandwidth, Microstrip and Stripline techniques are recommended in most cases. To ensure your PC board does not degrade the amp's performance, it's wise to design the board for a frequency greater than 1GHz. Even with very short runs, it's good practice to use this technique at critical points, such as inputs and outputs. Whether you use a constant-impedance board or not, observe the following guidelines when designing the board:
Choosing Resistor Values
The values of feedback and input resistors used in the inverting or noninverting gain configurations are not critical (as is the case with current-feedback amplifiers), but should be kept small and noninductive.
8
_______________________________________________________________________________________
250MHz, Broadcast-Quality, Low-Power Video Op Amps
The input capacitance of the MAX4102/MAX4103 is approximately 2pF. In either the inverting or noninverting configuration, the bandwidth limit caused by the package capacitance and resistor time constant is f3dB = 1 / (2 RC), where R is the parallel combination of the input and feedback resistors (R F and R G in Figure 2) and C is the package and board capacitance at the inverting input. RS1 and RS2 represent the input termination resistors. Table 1 shows the typical bandwidth and resistor values for several gain configurations.
MAX4102/MAX4103
Table 1. Resistor and Bandwidth Values for Various Gain Configurations
DEVICE MAX4102 MAX4102 MAX4103 MAX4103 MAX4103 GAIN (V/V) 1 2 2 5 10 -1 -2 -5 -10 RG () 200 200 50 30 200 75 50 50 RF () 24 200 200 200 270 200 150 250 500 RT () 50 50 50 50 50 56 150 BANDWIDTH (MHz) 250 100 180 40 20 180 140 75 35
VIN RT
RG
RF
MAX4103 MAX4103 MAX4103
MAX4100 MAX4102 MAX4101 MAX4103
VOUT
MAX4103
VOUT = -(RF / RG)VIN
Note: Refer to Figure 1a for inverting gain configurations and Figure 1b for noninverting gain configurations. RT is calculated for 50 systems.
Figure 1a. Inverting Gain Configuration
Resistor Types
Surface-mount resistors are the best choice for highfrequency circuits. They are of similar material to the metal-film resistors, but are deposited using a thick-film process in a flat, linear manner so that inductance is minimized. Their small size and lack of leads also minimize parasitic inductance and capacitance, thereby yielding more predictable performance.
RG
RF
MAX4100 MAX4102 MAX4101 MAX4103
VOUT
VIN VOUT = [1 + (RF / RG)]VIN RT VIN RG RF
Figure 1b. Noninverting Gain Configuration
RS1
24
C
MAX4100 MAX4102 MAX4101 MAX4103
VOUT
MAX4100 MAX4102 MAX4101 MAX4103
VOUT
RS2
VIN VOUT = VIN
Figure 1c. MAX4102 Unity-Gain Buffer Configuration
Figure 2. Effect of Feedback Resistor Values and Parasitic Capacitance on Bandwidth
9
_______________________________________________________________________________________
250MHz, Broadcast-Quality, Low-Power Video Op Amps MAX4102/MAX4103
Driving Capacitive Loads
When driving 50 or 75 back-terminated transmission lines, capacitive loading is not an issue. The MAX4102/ MAX4103 can typically drive 5pF and 20pF, respectively. Figure 3a illustrates how a capacitive load influences the amplifier's peaking without an isolation resistor (R S). Figure 3b shows how an isolation resistor decreases the amplifier's peaking. By using a small isolation resistor between the amplifier output and the load, large capacitance values may be driven without oscillation (Figure 4a). In most cases, less than 50 is sufficient. Use Figure 4b to determine the value needed in your application. Determine the worst-case maximum capacitive load you may encounter and select the appropriate resistor from the graph.
6 5 4 3 GAIN (dB) 2 1 0 -1 -2 -3 -4 0.1M 1M 10M 100M 1G FREQUENCY (Hz) CL = 5pF CL = 10pF GAIN (dB) AVCL = +1 CL = 15pF
4 3 2 1 0 -1 -2 -3 -4 -5 -6 0.1M 1M 10M CL = 10pF RS = 22
RS = 10
RS = 33
100M
1G
FREQUENCY (Hz)
Figure 3a. MAX4102 Bandwidth vs. Capacitive Load (No Isolation Resistor (RS))
Figure 3b. MAX4102 Bandwidth vs. 10pF Capacitive Load and Isolation Resistor
40 24 ISOLATION RESISTANCE () 35 MAX4102 30 25 20 15 10 5 0 50 100 150 200 250 CAPACITIVE LOAD (pF) MAX4103
RS
MAX4102
VIN CL RL
Figure 4a. Using an Isolation Resistor (RS) for Large Capacitive Loads (MAX4102)
10
Figure 4b. Isolation vs. Capacitive Load
______________________________________________________________________________________
250MHz, Broadcast-Quality, Low-Power Video Op Amps
________________________________________________________Package Information
DIM INCHES MAX MIN 0.069 0.053 0.010 0.004 0.019 0.014 0.010 0.007 0.157 0.150 0.050 0.244 0.228 0.050 0.016 MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 3.80 4.00 1.27 5.80 6.20 0.40 1.27
MAX4102/MAX4103
D A e B
0.101mm 0.004in.
0-8
A1
C
L
A A1 B C E e H L
E
H
Narrow SO SMALL-OUTLINE PACKAGE (0.150 in.)
DIM PINS D D D 8 14 16
INCHES MILLIMETERS MIN MAX MIN MAX 0.189 0.197 4.80 5.00 0.337 0.344 8.55 8.75 0.386 0.394 9.80 10.00
21-0041A
___________________Chip Information
TRANSISTOR COUNT: 51 SUBSTRATE CONNECTED TO: VEE
______________________________________________________________________________________
11
250MHz, Broadcast-Quality, Low-Power Video Op Amps MAX4102/MAX4103
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 (c) 1996 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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