Overview
The AD8129ARMZ-REEL7, manufactured by Analog Devices Inc., is a low-cost, high-speed differential receiver amplifier. This component is part of the AD8129/AD8130 series, designed to receive high-speed signals transmitted over twisted-pair cables, often in conjunction with the AD8131 or AD8132 drivers. The AD8129 is particularly suited for applications involving long cables where significant signal attenuation occurs, offering high gain (10 or greater) and user-adjustable gain settings to compensate for transmission line losses.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature Range | –40°C to +85°C |
| Package Type | 8-Lead MSOP |
| Bandwidth | 200 MHz (AD8129), 270 MHz (AD8130) |
| Slew Rate | 1060 V/μs @ G = +10 (AD8129), 1090 V/μs @ G = +1 (AD8130) |
| Common-Mode Rejection Ratio (CMRR) | 94 dB min (dc to 100 kHz), 80 dB min @ 2 MHz, 70 dB @ 10 MHz |
| Input Impedance | Very high, regardless of gain setting |
| Differential Operating Range | ±0.5 V to ±2.5 V |
| Output Voltage Swing | ±10.8 V (RLOAD = 700 Ω) |
| Output Current | 40 mA |
| Supply Voltage Range | ±2.25 V to ±12.6 V |
| Quiescent Supply Current | 10.8 mA to 11.6 mA |
Key Features
- High-speed operation: 200 MHz bandwidth for AD8129 and 270 MHz for AD8130.
- High CMRR: 94 dB min from dc to 100 kHz, 80 dB min at 2 MHz, and 70 dB at 10 MHz.
- User-adjustable gain: Set by the ratio of two resistor values to compensate for transmission line losses.
- High input impedance: Regardless of the gain setting.
- Low noise: Suitable for high-speed signal transmission.
- Power-down mode: Low power consumption when not in use.
- Compact package: 8-Lead MSOP.
Applications
- Transmission of high-speed signals over twisted-pair cables.
- Analog or digital video signal processing.
- High-speed data transmission.
- Instrumentation applications requiring high CMRR and high input impedance.
- Cable-tap amplifiers and other applications where signal attenuation is significant.
Q & A
- What is the primary function of the AD8129ARMZ-REEL7? The AD8129ARMZ-REEL7 is a differential receiver amplifier designed to receive high-speed signals transmitted over twisted-pair cables.
- What are the key differences between AD8129 and AD8130? The AD8129 has a bandwidth of 200 MHz and is intended for high-gain applications, while the AD8130 has a bandwidth of 270 MHz and is stable at a gain of 1.
- What is the common-mode rejection ratio (CMRR) of the AD8129/AD8130? The CMRR is 94 dB min from dc to 100 kHz, 80 dB min at 2 MHz, and 70 dB at 10 MHz.
- How is the gain of the AD8129/AD8130 adjusted? The gain is adjusted by the ratio of two resistor values.
- What are the typical applications of the AD8129/AD8130? These include transmission of high-speed signals, analog or digital video signal processing, and high-speed data transmission.
- What is the operating temperature range of the AD8129ARMZ-REEL7? The operating temperature range is –40°C to +85°C.
- What is the package type of the AD8129ARMZ-REEL7? The package type is 8-Lead MSOP.
- What is the output voltage swing of the AD8129/AD8130? The output voltage swing is ±10.8 V with a load resistance of 700 Ω.
- What is the quiescent supply current of the AD8129/AD8130? The quiescent supply current ranges from 10.8 mA to 11.6 mA.
- Does the AD8129/AD8130 have a power-down mode? Yes, the AD8129/AD8130 has a power-down mode to reduce power consumption when not in use.
