Overview
The AD8132ARMZ-REEL7, produced by Analog Devices Inc., is a low-cost, high-speed differential amplifier designed for a variety of applications requiring differential or single-ended input to differential output conversion. This amplifier is a significant advancement over traditional op-amps, particularly for driving differential input ADCs and transmitting high-speed signals over long lines. Manufactured using Analog Devices' next-generation XFCB bipolar process, the AD8132 offers a −3 dB bandwidth of 350 MHz and delivers a differential signal with a −99 dBc SFDR at 5 MHz, making it suitable for high-performance applications despite its low cost.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| −3 dB Bandwidth | 210 | 350 | MHz | |
| Slew Rate | 340 | V/μs | ||
| Input Voltage Noise (RTI) | 12 | nV/√Hz | ||
| Input Voltage Range | 1.0 | 3.7 | V | |
| Input Offset Voltage | ±5 | ±11 | mV | |
| Input Bias Current | 0.5 | μA | ||
| Power Supply Range | 2.7 | ±5.5 | V | |
| Quiescent Current | 7.25 | mA | ||
| Operating Temperature Range | −40 | +125 | °C |
Key Features
- High-Speed Operation: The AD8132 has a −3 dB bandwidth of 350 MHz and a slew rate of 340 V/μs, making it suitable for high-speed signal transmission.
- Differential Output: It converts single-ended inputs to differential outputs, which helps in reducing the effects of ground noise and improving signal integrity.
- Adjustable Common-Mode Level: The common-mode level of the differential output can be adjusted by applying a voltage on the VOCM pin, allowing for easy level shifting of input signals.
- Low Power Consumption: The amplifier operates with a quiescent current of 7.25 mA and a power supply range of 2.7 V to ±5.5 V.
- Automotive Grade: The AD8132W version is AEC-Q100 qualified, suitable for automotive applications.
- Fast Overload Recovery: Preserves sampling accuracy by quickly recovering from overload conditions.
Applications
- Differential ADC Drivers: Ideal for driving differential input ADCs, preserving low frequency and DC information without the need for a transformer.
- Video Line Drivers: Suitable for transmitting high-speed video signals over twisted pair or coaxial cables.
- Differential Gain and Filtering: Used for differential signal processing, including gain and filtering, throughout a signal chain.
- Automotive Driver Assistance and Infotainment: AEC-Q100 qualified version (AD8132W) is available for automotive applications.
- High-Speed Data Transmission: Can be used for transmitting high-speed analog or digital signals over long lines.
Q & A
- What is the primary function of the AD8132ARMZ-REEL7 amplifier?
The AD8132ARMZ-REEL7 is a differential or single-ended input to differential output amplifier, designed for applications such as driving differential input ADCs and transmitting high-speed signals over long lines.
- What is the bandwidth of the AD8132ARMZ-REEL7?
The AD8132ARMZ-REEL7 has a −3 dB bandwidth of 350 MHz.
- What is the slew rate of the AD8132ARMZ-REEL7?
The slew rate of the AD8132ARMZ-REEL7 is 340 V/μs.
- How does the AD8132ARMZ-REEL7 adjust the common-mode level of the differential output?
The common-mode level of the differential output can be adjusted by applying a voltage on the VOCM pin.
- What is the power supply range for the AD8132ARMZ-REEL7?
The power supply range for the AD8132ARMZ-REEL7 is from 2.7 V to ±5.5 V.
- Is the AD8132ARMZ-REEL7 suitable for automotive applications?
Yes, the AD8132W version is AEC-Q100 qualified, making it suitable for automotive applications.
- What are some common applications of the AD8132ARMZ-REEL7?
Common applications include differential ADC drivers, video line drivers, differential gain and filtering, automotive driver assistance and infotainment, and high-speed data transmission.
- How does the AD8132ARMZ-REEL7 handle overload conditions?
The AD8132ARMZ-REEL7 has fast overload recovery, which preserves sampling accuracy.
- What are the package options available for the AD8132ARMZ-REEL7?
The AD8132ARMZ-REEL7 is available in 8-lead MSOP packages.
- What is the operating temperature range for the AD8132ARMZ-REEL7?
The operating temperature range for the AD8132ARMZ-REEL7 is from −40°C to +125°C.
