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MFG:ADI D/C:09
Part Number: AD8129
MFG: ADI
D/C: 09
Description: The AD8129 and AD8130 are designed as receivers for the transmission of high-speed signals over twisted-pair cables to ...
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AD8129
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DataSheet
General Description
AD8129 General Description
The AD8129 and AD8130 are designed as receivers for the transmission of high-speed signals over twisted-pair cables to work with the AD8131 or AD8132 drivers. Either can be used for analog or digital video signals and for high-speed data transmission. The AD8129 and AD8130 are differentialto-single-ended amplifiers with extremely high CMRR at high frequency. Therefore, they can also be effectively used as
high-speed instrumentation amps or for converting differential signals to single-ended signals.
The AD8129 is a low-noise high-gain (10 or greater) version intended for applications over very long cables where signal attenuation is significant. The AD8130 is stable at a gain of one and can be used for those applications where lower gains are required. Both have user adjustable gain to help compensate for losses in the transmission line. The gain is set by the ratio of two resistor values. The AD8129 and AD8130 have very high input impedance on both inputs regardless of the gain setting.
The AD8129 and AD8130 have excellent common-mode rejection (70 dB @ 10 MHz) allowing the use of low cost unshielded twisted-pair cables without fear of corruption by external noise sources or crosstalk.
The AD8129 and AD8130 have a wide power supply range from single 5 V supply to ±12 V, allowing wide common-mode and differential-mode voltage ranges while maintaining signal integrity. The wide common-mode voltage range will enable the driver receiver pair to operate without isolation transformers in many systems where the ground potential difference between drive and receive locations is many volts. The AD8129 and AD8130 have considerable cost and performance improvements over op amps and other multi-amplifier receiving solutions.
AD8129 Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26.4 V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refer to Figure 3
Input Voltage (Any Input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS 0.3 V to +VS + 0.3 V
Differential Input Voltage (AD8129)3 VS ±11.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5 V
Differential Input Voltage (AD8129)3 VS < ±11.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6.2 V
Differential Input Voltage (AD8130) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8.4 V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refer to Figure 3
Input Voltage (Any Input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS 0.3 V to +VS + 0.3 V
Differential Input Voltage (AD8129)3 VS ±11.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5 V
Differential Input Voltage (AD8129)3 VS < ±11.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6.2 V
Differential Input Voltage (AD8130) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8.4 V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300°C
AD8129 Features
High Speed
AD8130: 270 MHz, 1090 V/s @ G = 1
AD8129: 200 MHz, 1060 V/s @ G = 10
High CMRR
94 dB Min, DC to 100 kHz
80 dB Min @ 2 MHz
70 dB @ 10 MHz
High-Input Impedance: 1 M Differential
Input Common-Mode Range ±10.5 V
Low Noise
AD8130: 12.5 nV/Hz
AD8129: 4.5 nV/Hz
Low Distortion, 1 V p-p @ 5 MHz:
AD8130, 79 dBc Worst Harmonic @ 5 MHz
AD8129, 74 dBc Worst Harmonic @ 5 MHz
User-Adjustable Gain
No External Components for G = 1
Power Supply Range +4.5 V to±12.6 V
Power-Down
AD8130: 270 MHz, 1090 V/s @ G = 1
AD8129: 200 MHz, 1060 V/s @ G = 10
High CMRR
94 dB Min, DC to 100 kHz
80 dB Min @ 2 MHz
70 dB @ 10 MHz
High-Input Impedance: 1 M Differential
Input Common-Mode Range ±10.5 V
Low Noise
AD8130: 12.5 nV/Hz
AD8129: 4.5 nV/Hz
Low Distortion, 1 V p-p @ 5 MHz:
AD8130, 79 dBc Worst Harmonic @ 5 MHz
AD8129, 74 dBc Worst Harmonic @ 5 MHz
User-Adjustable Gain
No External Components for G = 1
Power Supply Range +4.5 V to±12.6 V
Power-Down
AD8129 Typical Application
High-Speed Differential Line Receiver
Differential-to-Single-Ended Converter
High-Speed Instrumentation Amp
Level-Shifting
Differential-to-Single-Ended Converter
High-Speed Instrumentation Amp
Level-Shifting
AD8129
PDF/DataSheet Download
- Datasheet: AD8129
- File Size: 514303 KB
- Manufacturer: adi
- Click here to Download
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AD8129 Relative Products
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AD8128
The AD8128 is a high speed, differential receiver/equalizer that compensates for the transmission losses of unshielded twisted pair (UTP) CAT-5 cables. Various frequency dependent gain stages are
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