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LT1194 Video Difference Amplifier
FEATURES
s s s s s s s s s s s s
DESCRIPTIO
Differential or Single-Ended Gain Block: 10 (20dB) - 3dB Bandwidth: 35MHz Slew Rate: 500V/s Low Cost Output Current: 50mA Settling Time: 200ns to 0.1% CMRR at 10MHz: 45dB Differential Gain Error: 0.2% Differential Phase Error: 0.08 Input Amplitude Limiting Single 5V Operation Drives Cables Directly
The LT(R)1194 is a video difference amplifier optimized for operation on 5V and a single 5V supply. The amplifier has a fixed gain of 20dB and features adjustable input limiting to control tough overdrive applications. It has uncommitted high input impedance (+) and (-) inputs, and can be used in differential or single-ended configurations. The LT1194's high slew rate 500V/s, wide bandwidth 35MHz, and 50mA output current make it ideal for driving cables directly. This versatile amplifier is easy to use for video or applications requiring speed, accuracy and low cost. The LT1194 is available in 8-pin PDIP and SO packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s s s s s
Line Receivers Video Signal Processing Gain Limiting Oscillators Tape and Disc Drive Systems
TYPICAL APPLICATIO
Wideband Differential Amplifier with Limiting
250 7pF TO 45pF 4 1 INPUT 14 11 NE592 7 -5V 1F 1k AV = 1000, -3dB BW = 35MHz 1k 5V 8 5V 3 2 5
Sine Wave Reduced by Limiting
1F
+ - +
1
7 LT1194 4 8 -5V VCONTROL
LT1194 * TA01
6
OUTPUT
VOUT 1V/DIV
200kHz SINE WAVE WITH VCONTROL = -5V, -4V, -3V, -2V
U
LT1193 * TA02
U
U
1
LT1194
ABSOLUTE
(Note 1)
AXI U
RATI GS
TOP VIEW BAL/VC 1 -IN 2 +IN 3 V- 4 N8 PACKAGE 8-LEAD PDIP 8 7 6 5 BAL/VC V+ OUT REF
Total Supply Voltage (V + to V -) .............................. 18V Differential Input Voltage ........................................ 6V Input Voltage .......................................................... VS Output Short Circuit Duration (Note 2) ........ Continuous Operating Temperature Range LT1194M (OBSOLETE) ............... - 55C to 125C LT1194C ................................................. 0C to 70C Maximum Junction Temperature ......................... 150C Storage Temperature Range ................ - 65C to 150C Lead Temperature (Soldering, 10 sec)................. 300C
ELECTRICAL CHARACTERISTICS
SYMBOL VOS IOS IB en in RIN CIN CMRR PSRR VOMAX VLIM VOUT PARAMETER Input Offset Voltage Input Offset Current Input Bias Current Input Noise Voltage Input Noise Current Input Resistance Input Capacitance Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Maximum Output Signal Output Voltage Limit Output Voltage Swing
VS = 5V, VREF = 0V, Null Pins 1 and 8 open circuit, TA = 25C, CL 10pF, unless otherwise noted.
CONDITIONS All Packages MIN LT1194M/C TYP 1 0.2 0.5 fO = 10kHz fO = 10kHz Either Input Either Input - 2.5 VCM = -2.5V to 3.5V VS = 2.375V to 8V VS = 8V (Note 3) Vi = 0.5V, VC = 2V (Note 4) VS = 8V, VREF = 4V VS = 8V, VREF = -4V VS = 5V, VREF = 0V, RL = 1k GE SR FPBW BW tr, tf tPD Gain Error Slew Rate Full-Power Bandwidth Small-Signal Bandwidth Rise Time, Fall Time Propagation Delay RL = 1k, VO = 500mV, 20% to 80% (Note 9) RL = 1k, VO = 125mV, 50% to 50% 4 VO = 3V VO = 1V, RL = 1k (Notes 5, 9) VO = 6VP-P (Note 6) RL = 1k RL = 100 350 18.5 RL = 1k RL = 100 RL = 1k RL = 100 6.6 6.3 - 6.7 - 6.4 3 65 65 3 80 80 4.3 20 6.9 6.7 - 7.4 - 6.7 4 0.5 0.5 500 26.5 35 6 6.5 8 3 3 120 15 4 30 2 3.5 MAX 6 3 3.5 UNITS mV A A nV/Hz pA/Hz k pF V dB dB V mV V V V V V % % V/s MHz MHz ns ns
2
U
WW
W
ORDER PART NUMBER LT1194CN8 LT1194CS8 S8 PART MARKING 1194 LT1194MJ8 LT1194CJ8
S8 PACKAGE 8-LEAD PLASTIC SO
TJMAX = 150C, JA = 100C/W (N8) TJMAX = 150C, JA = 150C/W (S8) J8 PACKAGE 8-LEAD CERDIP TJMAX = 150C, JA = 100C/W
OBSOLETE PACKAGE
Consider the N8 or S8 Packages for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LT1194
ELECTRICAL CHARACTERISTICS
VS = 5V, VREF = 0V, Null Pins 1 and 8 open circuit, TA = 25C, CL 10pF, unless otherwise noted.
SYMBOL ts Diff AV Diff Ph IS PARAMETER Overshoot Settling Time Differential Gain Differential Phase Supply Current CONDITIONS VO = 125mV 3V Step, 0.1% (Note 7) RL = 150 (Note 8) RL = 150 (Note 8) MIN LT1194M/C TYP MAX 0 200 0.2 0.08 35 43 UNITS % ns % DegP-P mA
VS + = 5V, VS - = 0V, VREF = 2.5V, Null Pins 1 and 8 open circuit, TA = 25C, CL 10pF, unless otherwise noted.
SYMBOL VOS IOS IB CMRR VLIM VOUT SR BW IS PARAMETER Input Offset Voltage Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Output Voltage Limit Output Voltage Swing Slew Rate Small-Signal Bandwidth Supply Current VCM = 2V to 3.5V VI = 0.5V, VC = 2V (Note 4) RL = 100 to Ground VO = 1V to 3V VOUT High VOUT Low 3.6 2 55 70 20 3.8 0.25 250 32 32 40 0.4 120 CONDITIONS All Packages MIN LT1194M/C TYP MAX 2 0.2 0.5 8 3 3 3.5 UNITS mV A A V dB mV V V V/s MHz mA
The q denotes specifications which apply over the full operating temperature range of - 55C TA 125C. VS = 5V, VREF = 0V, Null Pins 1 and 8 open circuit, unless otherwise noted.
SYMBOL VOS VOS/T IOS IB CMRR PSRR VLIM VOUT PARAMETER Input Offset Voltage Input VOS Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Output Voltage Limit Output Voltage Swing VCM = - 2.5V to 3.5V VS = 2.375V to 5V VI = 0.5V, VC = 2V (Note 4) VS = 8V, VREF = 4V VS = 8V, VREF = -4V GE IS Gain Error Supply Current VO = 3V, RL = 1k RL = 1k RL = 100 RL = 1k RL = 100 CONDITIONS N8 Package
q q q q q q q q q q q q q q
MIN
LT1194M TYP 1 6 0.8 1
MAX 9 5 5.5 3.5
UNITS mV mV/C A A V dB dB
- 2.5 58 60 6 5.9 - 6.1 -6 80 80 20 6.6 6.5 - 6.7 - 6.5 1 35
150
mV V V V V
5 43
% mA
3
LT1194
ELECTRICAL CHARACTERISTICS
SYMBOL VOS VOS /T IOS IB CMRR PSRR VLIM VOUT PARAMETER Input Offset Voltage Input VOS Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Output Voltage Limit Output Voltage Swing
The q denotes specifications which apply over the full operating temperature range of 0C TA 70C. VS = 5V, VREF = 0V, Null Pins 1 and 8 open circuit, unless otherwise noted.
CONDITIONS All Packages
q q q q q
MIN
LT1194C TYP 1 6 0.2 0.5
MAX 7 3.5 4 3.5
UNITS mV V/C A A V dB dB
- 2.5 60 60 6.2 6.1 - 6.4 - 6.2 80 80 20 6.9 6.7 - 7.2 - 6.6 1 35
VCM = - 2.5V to 3.5V VS = 2.375V to 5V VI = 0.5V, VC = 2V (Note 4) VS = 8V, VREF = 4V VS = 8V, VREF = - 4V RL = 1k RL = 100 RL = 1k RL = 100
q q q q q q q q q
130
mV V
V V V
GE IS
Gain Error Supply Current
VO = 3V, RL = 1k
4 43
% mA
Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: A heat sink is required to keep the junction temperature below absolute maximum when the output is shorted. Note 3: There are two limitations on signal swing. Output swing is limited by clipping or saturation in the output stage. Input swing is controlled by an adjustable input limiting function. On VS = 5V, the overload characteristic is output limiting, but on 8V the overload characteristic is input limiting. VOMAX is measured with the null pins open circuit. Note 4: Output amplitude is reduced by the input limiting function. The input limiting function occurs when the null pins, 1 and 8, are tied together and raised to a potential 0.3V or more above the negative supply.
Note 5: Slew rate is measured between 1V on the output, with a 0.3V input step. Note 6: Full-power bandwidth is calculated from the slew rate measurement: FPBW = SR/2VP. Note 7: Settling time measurement techniques are shown in "Take the Guesswork Out of Settling Time Measurements," EDN, September 19, 1985. Note 8: NTSC (3.58MHz). Note 9: AC parameters are 100% tested on the ceramic and plastic DIP packaged parts (J and N suffix) and are sample tested on every lot of the SO packaged part (S suffix).
Optional Offset Nulling Circuit
5V 3
Input Limiting Connection
5V 3
Input Limiting with Offset Nulling
5V 3
+ -
1
7 LT1194 6 4 8 -5V
+ -
1
7 LT1194 6 4 8 -5V
+ -
1
7 LT1194 6 4 8 -5V VC
2
2
2
VC INPUT OFFSET VOLTAGE CAN BE ADJUSTED OVER A 250mV RANGE WITH A 1k TO 10k POTENTIOMETER (NOTE 4)
LT1194 * TA03
(NOTE 4)
4
LT1194 TYPICAL PERFOR A CE CHARACTERISTICS
Input Bias Current vs Common Mode Voltage
4 3
INPUT BIAS CURRENT (A)
VS = 5V
INPUT BIAS CURRENT (A)
-0.4 +IB -0.5 IOS -0.6 -IB
COMMON MODE VOLTAGE (V)
2 1 25C 0 -1 -2 -4 -3 1 3 -2 -1 0 2 COMMON MODE VOLTAGE (V) 4 -55C 125C
Equivalent Input Noise Voltage vs Frequency
EQUIVALENT INPUT NOISE CURRENT (pA/Hz) EQUIVALENT INPUT NOISE VOLTAGE (nV/Hz) 150 VS = 5V TA = 25C RS = 0 80
SUPPLY CURRENT (mA)
100
50
0 10 100 1k 10k FREQUENCY (Hz) 100k
Gain, Phase vs Frequency
22 20 VOLTAGE GAIN (dB) 18 16 14 12 10 VS = 5V TA = 25C RL = 1k 1M 10M FREQUENCY (Hz) PHASE GAIN 20 0 -20 -40 -60 -80 -100 -120 100M
LT1194 * TPC08
-3dB BANDWIDTH (MHz)
GAIN ERROR (%)
8 100k
UW
LT1194 * TPC01 LT1194 * TPC04
Input Bias Current vs Temperature
-0.3 VS = 5V 10 8 6 4 2 0 -2 -4 -6 -8 -0.8 -50 -10 -25 50 0 25 75 TEMPERATURE (C) 100 125
Common Mode Voltage vs Supply Voltage
-55C 25C +V COMMON MODE 125C
-0.7
-V COMMON MODE
-55C 25C 125C
0
2
6 4 8 V SUPPLY VOLTAGE (V)
10
LT1194 * TPC02
LT1194 * TPC03
Equivalent Input Noise Current vs Frequency
VS = 5V TA = 25C RS = 100k 50
Supply Current vs Supply Voltage
60
40 -55C 30 25C 125C 20
40
20
10
0 10 100 1k 10k FREQUENCY (Hz) 100k
0 0 2 4 6 8 SUPPLY VOLTAGE (V) 10
LT1194 * TPC05
LT1194 * TPC06
Gain Error vs Temperature
1.0 VS = 5V 36 35 34 33 32 31 30 - 25 50 0 25 75 TEMPERATURE (C) 100 125
- 3dB Bandwidth vs Supply Voltage
0.8 PHASE SHIFT (DEGREES)
0.6
RL = 1k
0.4 RL = 100 0.2
TA = -55C, 25C, 125C
0 -50
0
2
4 6 SUPPLY VOLTAGE (V)
8
10
LT1194 * TPC07
LT1194 * TPC09
5
LT1194 TYPICAL PERFOR A CE CHARACTERISTICS
Output Impedance vs Frequency
100
COMMON MODE REJECTION RATIO (dB)
50
POWER SUPPLY REJECTION RATIO (dB)
VS = 5V TA = 25C
OUTPUT IMPEDANCE ()
10
1
0.1 1k 10k 100k 1M FREQUENCY (Hz) 10M 100M
Output Short-Circuit Current vs Temperature
100
OUTPUT SHORT-CIRCUIT CURRENT (mA)
OUTPUT VOLTAGE LIMITING (V)
OUTPUT VOLTAGE (V)
90
80
70 -50
-25
50 0 25 75 TEMPERATURE (C)
Voltage Gain vs Frequency with Control Voltage
30 10
VOLTAGE GAIN (dB)
VC = -5V OUTPUT VOLTAGE SWING (V) VC = -3V
SLEW RATE (V/s)
-10 -30 -50 -70 VC = 1V -90 100k 1M VS = 5V TA = 25C RL = 1k 10M 100M FREQUENCY (Hz) 1G
VC = -1V
6
UW
LT1194 * TPC10
Common Mode Rejection Ratio vs Frequency (Output Referred)
60 VS = 5V TA = 25C RL = 1k
Power Supply Rejection Ratio vs Frequency (Output Referred)
60 VS = 5V TA = 25C VRIPPLE = 300mV
40
40
20
30
20
0
10 100k
1M 10M FREQUENCY (Hz)
100M
LT1194 * TPC11
-20 1k
10k
100k 1M FREQUENCY (Hz)
10M
100M
LT1194 * TPC12
Output Voltage Limiting vs Supply Voltage
6 4 2 0 -2 -4 -6 100 125 0 2 TA = 125C 4 6 8 SUPPLY VOLTAGE (V) 10 TA = 125C TA = 25C TA = - 50C +OUTPUT SWING BAL/VC PINS 1, 8 FLOATING -OUTPUT SWING TA = -50C TA = 25C 6 4 2 0 -2 -4 -6
Output Voltage vs Voltage On Control Pins
VS = -5V TA = 25C RL = 1k +LIMITING
VS = 5V
-LIMITING
-6
-1 -4 -3 -2 -5 VOLTAGE ON CONTROL PINS (V)
0
LT1194 * TPC13
LT1194 * TPC14
LT1194 * TPC15
Output Voltage Swing vs Load Resistance
5 VS = 5V TA = -55C TA = 25C 1 TA = 125C 900 800 700 600 500 400
Slew Rate vs Temperature
-SLEW RATE VS = 5V RL = 1k VO = 2V
3
-1 TA = 125C -3 T = 25C A -5 10 100 LOAD RESISTANCE () 1000
LT1194 * TPC17
+SLEW RATE
TA = -55C
300 -50
-25
0 25 50 75 TEMPERATURE (C)
100
125
LT1194 * TPC16
LT1194 * TPC18
LT1194 TYPICAL PERFOR A CE CHARACTERISTICS
Output Voltage Step vs Settling Time
4 VS = 5V TA = 25C RL = 1k 10mV
OUTPUT VOLTAGE STEP (V)
2
0 10mV -2
LT1194 * TPC20 LT1194 * TPC21
-4 40 60 80 100 120 140 SETTLING TIME (ns) 160 180
APPLICATIO S I FOR ATIO
The LT1194 is a video difference amplifier with a fixed gain of 10 (20dB). The amplifier has two uncommitted high input impedance (+) and (-) inputs that can be used either differentially or single-ended. The LT1194 includes a limiting feature that allows the amplifier to reduce its output as a function of DC voltage on the BAL/VC pins. The limiting feature uses input differential-pair limiting to prevent overload in subsequent stages. This technique allows extremely fast limiting action. Power Supply Bypassing The LT1194 is quite tolerant of power supply bypassing. In some applications a 0.1F ceramic disc capacitor placed 1/2 inch from the amplifier is all that is required.
U
W
UW
LT1194 * TPC19
Small-Signal Transient Response
Large-Signal Transient Response
RISE TIME = 10.8ns, PROPAGATION DELAY = 6ns
RL = 150, +SR = 430V/s, -SR = 500V/s
UU
Input Limiting
OUTPUT
INPUT
LT1194 * TA04
20dB INPUT OVERDRIVE, VC = -4.2V
7
LT1194
APPLICATIO S I FOR ATIO
A scope photo of the amplifier output with no supply bypassing is used to demonstrate this bypassing tolerance, RL = 1k. In many applications, and those requiring good settling time, it is important to use multiple bypass capacitors. A 0.1F ceramic disc in parallel with a 4.7F tantalum is recommended. Two oscilloscope photos with different bypass conditions are used to illustrate the settling time characteristics of the amplifier. Note that although the output waveform looks acceptable at 1V/DIV, when amplified to 10mV/DIV the settling time to 10mV is 200ns. The time drops to 162ns with multiple bypass capacitors, and does not exhibit the characteristic power supply ringing.
No Supply Bypass
LT1194 * TA05
IN DEMO BOARD, RL = 1k
Settling Time Poor Bypass
LT1194 * TA06
SETTLING TIME TO 10mV, SUPPLY BYPASS CAPACITORS = 0.1F
8
U
Settling Time Good Bypass
LT1194 * TA07
W
UU
SETTLING TIME TO 10mV, SUPPLY BYPASS CAPACITORS = 0.1F + 4.7F TANTALUM
Cable Terminations The LT1194 video difference amplifier has been optimized as a low cost cable driver. The 50mA guaranteed output current enables the LT1194 to easily deliver 7.5VP-P into 100, while operating on 5V supplies, or 2.6VP-P on a single 5V supply. When driving a cable it is important to terminate the cable to avoid unwanted reflections. This can be done in one of two ways: single termination or double termination. With single termination, the cable must be terminated at the receiving end (75 to ground) to absorb unwanted energy. The best performance can be obtained by double termination (75 in series with the output of the amplifier, and 75 to ground at the other end of the cable). This termination is preferred because reflected energy is absorbed at each end of the cable. When using the double termination technique it is important to note that the signal is attenuated by a factor of 2, or 6dB. For a cable driver with a gain of 5 (LT1194 gain of 10), the -3dB bandwidth is over 30MHz with no peaking. A Voltage Controlled Current Source The LT1194 can be used to make a fast, precise, voltage controlled current source. The LT1194 high speed differential amplifier senses the current delivered to the load. The input signal VIN, applied to the (+) input of the LT1191,
LT1194
APPLICATIO S I FOR ATIO
Double Terminated Cable Driver
5V 3
5 2
+ -
1
7 6
75 CABLE 75
LT1194
4 8 -5V
VC
Voltage Gain vs Frequency
4
16 14
VOLTAGE GAIN (dB)
TA = 25C
12 10 8 6 4
CC = 1pF
2 100k
1M 10M FREQUENCY (Hz)
100M
LT1194 * TA08
will appear at the (-) input if the feedback loop is properly closed. In steady state the input signal appears at the output of the LT1194, and 1/10 of this signal is applied across the sense resistor. Thus the output current is simply:
IO = VIN R * 10
The compensation capacitor CC forces the LT1191 to be the dominate pole for the loop, while the LT1194 is fast enough to be transparent in the feedback path. The ratio of the load resistor to the sense resistor should be approximately 10:1 or greater for easy compensation. For the example shown the load resistor is 100, the sense resistor is 5.1, and various loop compensation capacitors cause the output to exhibit an underdamped, critically and overdamped response.
VIN
U
Voltage Controlled Current Source
5V VIN 3
W
UU
+ -
7 6 CC 5V 7 6
LT1191 2 4 -5V 2k
+ -
3 5 2 R 5.1 IO = 20mA RL 100
LT1194 * TA09
LT1194
-5V
Output Current Response
CC = 3pF
CC = 20pF
LT1194 * TA10
20mA CURRENT SOURCE WITH DIFFERENT COMPENSATION CAPACITORS
Differential Video Loop Thru Amplifier for Power-Down Applications
15k CABLE 15k
1.5k 3 2 1.5k 5
5V
+ -
7 LT1194 4 -5V 6 OUTPUT
1% RESISTOR WORST-CASE CMRR = 22dB TYPICALLY = 38dB
LT1194 * TA11
9
LT1194
APPLICATIO S I FOR ATIO
Murphy Circuits There are several precautions the user should take when using the LT1194 in order to realize its full capability. Although the LT1194 can drive a 50pF capacitive load, isolating the capacitance with 10 can be helpful. Precautions primarily have to do with driving large capacitive loads.
Driving Capacitive Load
LT1194 * TA12
LT1194 IN DEMO BOARD, CL = 50pF
5V 3 3
+
5 2
7 LT1194 6
COAX
-
4 8 1 -5V
An Unterminated Cable is a Large Capacitive Load
10
U
Other precautions include: 1. Use a ground plane (see Design Note 50, High Frequency Amplifier Evaluation Board). 2. Do not use high source impedances. The input capacitance of 2pF, and RS = 10k, for instance, will give an 8MHz - 3dB bandwidth. 3. PC board socket may reduce stability.
Driving Capacitive Load
LT1194 * TA13
W
UU
LT1194 IN DEMO BOARD, CL = 50pF WITH 10 ISOLATING RESISTOR
5V
+
5 2
7 LT1194 6
-
1
4 8 -5V
1X SCOPE PROBE
LT1194 * TA14
A 1X Scope Probe is a Large Capacitive Load
LT1194
SI PLIFIED SCHE ATIC
7 V+ VBIAS VBIAS CM
+ -
3 CFF 2 +V +V 6 VOUT
1
BAL
PACKAGE DESCRIPTIO
CORNER LEADS OPTION (4 PLCS)
0.300 BSC (0.762 BSC)
0.045 - 0.068 (1.143 - 1.727) FULL LEAD OPTION
0.008 - 0.018 (0.203 - 0.457)
0 - 15 1 0.045 - 0.065 (1.143 - 1.651) 0.014 - 0.026 (0.360 - 0.660) 0.100 (2.54) BSC 0.125 3.175 MIN 2 3 4
J8 1298
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
U
W
8
W
*
4 V- 500 5
REF BAL
4.5k
LT1194 * TA15
* SUBSTRATE DIODE, DO NOT FORWARD BIAS
J8 Package 8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
0.023 - 0.045 (0.584 - 1.143) HALF LEAD OPTION 0.200 (5.080) MAX 0.015 - 0.060 (0.381 - 1.524) 0.005 (0.127) MIN
0.405 (10.287) MAX 8 7 6 5
0.025 (0.635) RAD TYP
0.220 - 0.310 (5.588 - 7.874)
OBSOLETE PACKAGE
11
LT1194
PACKAGE DESCRIPTIO U
N8 Package 8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
0.400* (10.160) MAX 8 7 6 5 0.045 - 0.065 (1.143 - 1.651) 0.130 0.005 (3.302 0.127) 0.255 0.015* (6.477 0.381) 0.125 (3.175) 0.020 MIN (0.508) MIN 0.018 0.003 (0.457 0.076) 1 2 3 4
N8 1098
0.300 - 0.325 (7.620 - 8.255)
0.009 - 0.015 (0.229 - 0.381)
0.065 (1.651) TYP
(
+0.035 0.325 -0.015 8.255 +0.889 -0.381
)
0.100 (2.54) BSC
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
0.189 - 0.197* (4.801 - 5.004) 0.010 - 0.020 x 45 (0.254 - 0.508) 0.008 - 0.010 (0.203 - 0.254) 0- 8 TYP 0.053 - 0.069 (1.346 - 1.752) 8 0.004 - 0.010 (0.101 - 0.254) 0.228 - 0.244 (5.791 - 6.197) 0.150 - 0.157** (3.810 - 3.988) 7 6 5
0.014 - 0.019 (0.355 - 0.483) TYP *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.016 - 0.050 (0.406 - 1.270)
0.050 (1.270) BSC
SO8 1298
1
2
3
4
RELATED PARTS
PART NUMBER LT1193 DESCRIPTION AV = 2 Video Difference Amp COMMENTS 80MHz BW, 500V/s Slew Rate
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507
q
1194fa LT/CP 0801 1.5K REV A * PRINTED IN USA
www.linear.com
(c) LINEAR TECHNOLOGY CORPORATION 1991

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