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ZL40166 High Output Current High Speed Dual Operational Amplifier
Data Sheet Features
* High Output Drive * 18.8 Vpp differential output voltage, RL = 50 * 9.4 Vpp single-ended output voltage, RL = 25 High Output Current * 200mA @ Vo = 9.4 Vpp, Vs = 12V Low Distortion * 85dB SFDR (Spurious Free Dynamic Range) @ 100KHz, Vo = 2Vpp, RL = 25 High Speed * 192MHz 3dB bandwidth (G=2) * 240V / s slew rate Low Noise * 3.8nV / Hz: input noise voltage * 2.7pA / Hz: input noise current Low supply current: 7mA/amp * Single-supply operation: 5V to 12V High ESD (Electro-Static Discharge) immunity * 4kV for Supply and Output pins Low differential gain and phase * 0.005% and -0.07deg Ordering Information ZL40166/DCA (tubes) 8 lead SOIC ZL40166/DCB (tape and reel) 8 lead SOIC -40C to +85C
April 2003
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Description
The ZL40166 is a low cost voltage feedback opamp capable of driving signals to within 1V of the power supply rails. It features low noise and low distortion accompanied by a high output current which makes it ideally suited for the application as an xDSL line driver. The dual opamp can be connected as a differential line driver delivering signals up to 18.8Vpp swing into a 25 load, fully supporting the peak upstream power levels for upstream full-rate ADSL (Asymmetrical Digital Subscriber Line). The wide bandwidth, high power output and low differential gain and phase figures make the ZL40166 ideally suited for a wide variety of video driver applications.
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Applications
* * * ADSL PCI modem cards xDSL external modem Line Driver
Out_1
1
8 V+ 7 Out_2
In_n_1 2
1
In_p_1 3 6 In_n_2
2
V- 4
ZL40166
5 In_p_2
Figure 1 - Functional Block Diagram and Pin Connection
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ZL40166
Application Notes
Data Sheet
The ZL40166 is a high speed, high output current, dual operational amplifier with a high slew rate and low distortion. The device uses conventional voltage feedback for ease of use and more flexibility. These characteristics make the ZL40166 ideal for applications where driving low impedances of 25 to 100 such as xDSL and active filters. The figure below shows a typical ADSL application utilising a 1:2 transformer, the feedback path provides a Gain = +2.
12R5 Rf1 Rg Rf2 12R5 100R
Figure 2 - A Typical ADSL Application A class AB output stage allows the ZL40166 to deliver high currents to low impedance loads with low distortion while consuming low quiescent current. Note: the high ESD immunity figure of 4kV may mean that in some designs fewer additional EMC protection components are needed thus reducing total system costs. The ZL40166 is not limited to ADSL applications and can be used as a general purpose opamp configured with either inverting or non-inverting feedback. The figure below shows non-inverting feedback arrangement that has typically been used to obtain the data sheet specifications.
Rf Rg
Figure 3 - A Non-Inverting Feedback Amplifier Example
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Zarlink Semiconductor Inc.
Data Sheet Video transmitter and receiver for twisted wire pair.
ZL40166
Composite video signals can be transmitted down twisted pair cable, i.e. Ethernet (CAT 5), using a differential transmitter and receiver. The transmitter must be able to drive high currents into the low impedance twisted pair cable. For video, the amplifiers require flat gain and low phase-shift over the video signal band. To ensure this, the amplifiers will have 3dB bandwidths well in excess of this. The ZL40166 (dual amplifier) has all of these attributes. With reference to the differential video driver shown in Figure , the input coax is assumed to have a characteristic impedance of 75 Ohms, this is terminated with a parallel combination of 110 Ohms and the input impedance of amplifier IC1 (b) of 255 Ohms, giving 77 Ohms. Low values of feedback resistors are used around the op-amps to reduce phase-shift due to parasitic capacitors and to minimise the addition of noise. Baseband PAL or NTSC video signals generally have an amplitude of 2V pk-pk. A gain of two is used to ensure that the signal level at the end of the (terminated with 100 Ohms) differential pair will be the same as the input level, neglecting any losses due to the use of long cable lengths.
Composite Video Co-Ax Input IC1(a) 50R 110R 510R 510R 50R 510R IC1(b) 510R 510R Twisted Pair Output
Figure 4 - Differential Video Driver The differential receiver is shown in Figure 5 has a 100 Ohm line termination resistor, followed by a differential amplifier. Long cables will tend to attenuate the signal with greater losses at the higher frequencies, so the second amplifier is used to equalise these losses. Initially the amplifier should be built without fitting components R1 and C1. Select the value of R2 to give the required gain at low frequency. Adjust the values of R1 and C1 to correct for the frequency dependant attenuation of the cable. To drive a coax cable the output of the amplifier is connected via a series matching 75 Ohm resistor, again this second (dual amplifier) ZL40166 provides the required power output for the restored 2Vpk-pk video signal.
510R 510R Twisted Pair Input 100R 510R 510R IC2(a)
R2 C1 R1 IC2(b) 510R 75R
Composite Video Co-Ax Output
Figure 5 - Differential Video Receiver
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ZL40166 Absolute Maximum Ratings - (See Note 1)
Parameter Vin Differential Output Short Circuit Protection Symbol VIN VOS/C Min Max 1.2 See Apps Note in this data sheet 13.2 (V-) -0.8 (V+) +0.8 5.5 4 -55 +/-100mA for 100ms 20% pulse for 100ms (Note 3) +150 (Note 4) (Note 5)
Data Sheet
Units V
Supply Voltage Voltage at Input Pins Voltage at Output Pins ESD Protection (HBM Human Body Model) (See Note 2) Storage Temperature Latch-up test Supply transient test
Note 1: Note 2: Note 3: Note 4: Note 5:
V+, VV(+IN), V(-IN) VO
V V V kV C
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics. Human body model, 1.5k in series with 100pF. Machine model, 200 in series with 100pF. 1.25kV between the pairs of +INA, -INA and +INB, -INB pins only. 4kV between supply pins, OUTA or OUTB pins and any input pin. +/-100mA applied to input and output pins to force the device to go into "latch-up". The device passes this test to JEDEC spec 17. Positive and Negative supply transient testing increases the supplies by 20% for 100ms.
Operating Ratings - (See Note 1)
Parameter Supply Voltage Junction Temperature Range Junction to Ambient Resistance Rth(j-a) Symbol V+, VMin 2.5 -40 150 Max 6.5 150 Units V C C 4 layer FR5 board C 4 layer FR5 board
Junction to Case Resistance
Rth(j-c)
60
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
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Zarlink Semiconductor Inc.
Data Sheet
otherwise specified. Symbol
ZL40166
Electrical Characteristics - TA = 25C, G = +2, Vs = 6V, Rf = Rg = 510, RL = 100 / 2pF; Unless
Min (Note 1) Typ (Note 2) Max (Note 3) Test Type
Parameter
Conditions
Units
Dynamic Performance -3dB Bandwidth -0.1dB Bandwidth Slew Rate Rise and Fall Time Rise and Fall Time Differential Gain Differential Phase 2nd Harmonic Distortion Vo = 200mVp-p Vo = 200mVp-p 4V Step O/P, 10-90% 4V Step O/P, 10-90% 200mV Step O/P, 10-90% NTSC, RL = 150 NTSC, RL = 150 192 32 240 13.3 1.7 0.005 -0.07 MHz MHz V/s ns ns % deg C C C C C C C
Distortion and Noise Response Vo = 8.4Vpp, f =100KHz,RL= 25/2pF Vo = 8.4Vpp, f =1MHz,RL = 100/2pF Vo = 2Vpp, f =100kHz,RL= 25/2pF Vo = 2Vpp, f =1MHz,RL =100/2pF 3rd Harmonic Distortion Vo = 8.4Vpp, f =100KHz,RL=25/2pF Vo = 8.4Vpp, f =1MHz,RL =100/2pF Vo = 2Vpp, f =100KHz,RL=25/2pF Vo = 2Vpp, f =1MHz,RL=100/2pF MTPR Multi-Tone Power Ratio 47.4375 KHz 69 KHz 90.5625 KHz 112.125 KHz Input Noise Voltage Input Noise Current Input Characteristics Vos Input Offset Voltage Tj = -40C to 150C - 4.2 - 0.3 4.2 mV A f = 100KHz f = 100KHz -65.4 -83.8 -93.6 -86 -70 -77.7 -85 -73.5 -75 -76.3 -73.8 -71.5 3.85 2.7 dBc dBc dBc dBc dBc dBc dBc dBc dBc dBc dBc dBc nV/Hz pA/Hz C C C C C C C C C C C C C C
Zarlink Semiconductor Inc.
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ZL40166
Symbol Ib Ios CMVR CMRR Parameter Input Bias Current Input Offset Current Common Mode Voltage Range Common Mode Rejection Ratio Voltage Gain Conditions Tj = -40C to 150C Tj = -40C to 150C Tj = -40C to 150C Tj = -40C to 150C -2 - 4.9 70 79 Min (Note 1) Typ (Note 2) -10 -0.2 Max (Note 3) -20 2 4.9
Data Sheet
Test Type A A A A
Units A A V dB
Transfer Characteristics Avol RL = 1k, Tj = -40C to 150C RL = 25, Tj = -40C to 150C Output Swing Output Swing Isc Output Current (Note 3) Supply Current / Amp Power Supply Rejection Ratio RL = 25, Tj = -40C to 150C RL = 1k, Tj = -40C to 150C Vo = 0, Tj = -40C to 150C Tj = -40C to 150C Tj = -40C to 150C 73 4.7 1.6 - 4.5 -5 570 10 5.5 4.7 5.1 1000 4.5 5 V V mA V/mV A A A A B
Power Supply Is PSRR 7 81 9 mA dB A A
Note 1: Note 2: Note 3:
The maximum power dissipation is a function of Tj(max), JA and TA. The maximum allowable power dissipation at any ambient temperature is PD = (Tj(max) - TA)/ JA. All numbers apply for packages soldered directly onto a PC board. Typical values represent the most likely parametric norm. Test Types: a. 100% tested at 25C. Over temperature limits are set by characterisation, simulation and statistical analysis. b. Limits set by characterisation, simulation and statistical analysis. c. Typical value only for information.
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
2.5V Electrical Characteristics - TA = 25C, G = +2, Vs = 2.5V, Rf = Rg = 510, RL = 100 / 2pF; Unless otherwise specified. Symbol Parameter Conditions Min (Note 1) Typ (Note 2) Max (Note 3) Units Test Type
Dynamic Performance -3dB Bandwidth -0.1dB Bandwidth Slew Rate Rise and Fall Time Rise and Fall Time Distortion and Noise Response 2nd Harmonic Distortion Vo = 2Vpp,f = 100KHz, RL = 25 Vo = 2Vpp, f = 1MHz, RL = 100 3rd Harmonic Distortion Vo = 2Vpp, f = 100KHz, RL = 25 Vo = 2Vpp, f = 1MHz, RL = 100 Input Characteristics Vos Ib CMVR CMRR Input Offset Voltage Input Bias Current Common Mode Voltage Range Common Mode Rejection Ratio Tj = -40C to 150C Tj = -40C to 150C Tj = -40C to 150C -1.55 70 80 - 4.2 - 0.3 - 10 4.2 -20 1.55 mV A V dB B B B B -92.6 -85 -86.3 -74.8 dBc dBc dBc dBc C C C C 1V Step O/P, 10-90% 1V Step O/P, 10-90% 200mV Step O/P, 10-90% 176.5 83.8 216 3.7 1.7 MHz MHz V/s ns ns C C C C C
Transfer Characteristics Avol Voltage Gain RL = 1k, Tj = -40C to 150C RL = 25, Tj = -40C to 150C Output Characteristics Output Swing RL = 25, Tj = -40C to 150C RL = 1k, Tj = -40C to 150C -1.4 -1.6 1.45 1.65 1.4 1.6 V B B 5.5 1.6 10.5 5.8 V/mV B B
Zarlink Semiconductor Inc.
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ZL40166
Symbol Power Supply Is PSRR
Note 1: Note 2: Note 3:
Data Sheet
Min (Note 1) Typ (Note 2) Max (Note 3) Test Type
Parameter
Conditions
Units
Supply Current/Amp Power Supply Rejection Ratio
Tj = -40C to 150C Tj = -40C to 150C 73
6.75 83
8.5
mA dB
A B
The maximum power dissipation is a function of Tj(max), JA and TA. The maximum allowable power dissipation at any ambient temperature is PD = (Tj(max) - TA)/ JA. All numbers apply for packages soldered directly onto a PC board. Typical values represent the most likely parametric norm. Test Types: a. 100% tested at 25C. Over temperature limits are set by characterisation, simulation and statistical analysis. b. Limits set by characterisation, simulation and statistical analysis. c. Typical value only for information.
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100,Vs = 6V. Unless otherwise specified. Output Swing
Positive Output Swing into 1k
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Negative Output Swing into 1k
Positive Output Swing into 25
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Negative Output Swing into 25
+Vout VS lload
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. -Vout VS ILoad
+Vout VS ILoad, Vs = 2.5V
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. -Vout VS ILoad, Vs = 2.5V
Supply Current VS. Supply Voltage
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Sourcing Current VS. Supply Voltage
Sinking Current VS. Supply Voltage
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Vos VS. Vs
Vos VS. Vcm
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Vos VS. Vcm, Vs = 2.5V
Bias Current VS. Vsupply
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Offset Current VS. Vsupply
Harmonic Distortion VS. Load F = 1MHZ Vout = 2Vpp
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Load Vs = 2.5V, F = 1MHz, Vout = 2Vpp
Harmonic Distortion VS. Output Voltage Vs = 2.5V, F = 1MHz
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Output Voltage F = 1MHz
Harmonic Distortion VS. Output Voltage Vs = 2.5V, F = 1MHz, RL = 25
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Output Voltage F = 1MHz, RL = 25
Harmonic Distortion VS. Output Voltage F = 10MHz
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Output Voltage F = 10MHz, RL = 25
Harmonic Distortion VS. Frequency Vout = 2Vpp
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Output Voltage Vs =2.5V, F = 10MHz
Harmonic Distortion VS. Frequency Vout = 2Vpp, RL = 25
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Output Voltage Vs =2.5V, F = 10MHz, RL = 25
Harmonic Distortion VS. Frequency Vout = 2Vpp, Vs =2.5V
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Harmonic Distortion VS. Frequency Vout = 2Vpp, Vs = 2.5V, RL = 25
Frequency Response
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Pulse Response
Frequency Response
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Pulse Response, Vs = 2.5V
Frequency Response Gain = +5
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Frequency Response Gain = +10
PSRR VS. Frequency
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. CMRR VS. Frequency
PSRR VS. Frequency Vs = 2.5V
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Zarlink Semiconductor Inc.
Data Sheet
ZL40166
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. CMRR VS. Frequency Vs = 2.5V
Noise Voltage VS. Frequency
Zarlink Semiconductor Inc.
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ZL40166
Data Sheet
Typical Performance Characteristics At TA = 25C, RF = RG = 510, gain = +2, RL = 100, Vs = 6V. Unless otherwise specified. Current Noise VS. Frequency
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