Overview
The AD8132WARMZ-R7, produced by Analog Devices Inc., is a low-cost, high-speed differential amplifier designed for converting single-ended input signals to differential output signals. This amplifier is a significant advancement over traditional op-amps, particularly for driving differential input ADCs or transmitting high-speed signals over long lines. It features a unique internal common-mode feedback mechanism that enhances gain and phase balance, reducing harmonics and radiated EMI.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 350 MHz | |
| Slew Rate | 1200 V/μs | |
| Gain | Resistor set gain | |
| Common Mode Rejection Ratio (CMRR) | 70 dB | |
| Input Bias Current | 3 μA | |
| Input Offset Voltage | ±1.0 mV to ±6 mV (depending on temperature) | |
| Power Supply Range | +2.7 V to ±5.5 V | |
| Current Consumption | 10.7 mA @ 5 V | |
| RoHS Compliance | Yes | |
| AEC-Q100 Qualification | Yes (AD8132W) |
Key Features
- High-speed operation with a −3 dB bandwidth of 350 MHz and a slew rate of 1200 V/μs.
- Resistor set gain for flexibility in application design.
- Internal common-mode feedback for improved gain and phase balance, reducing harmonics and radiated EMI.
- Low distortion: −99 dBc SFDR at 5 MHz, 800 Ω load.
- Low power consumption: 10.7 mA @ 5 V.
- Adjustable common-mode output voltage via the VOCM pin.
- Fast overload recovery to preserve sampling accuracy.
- Fully AEC-Q100 qualified for automotive applications.
Applications
- Low power differential ADC drivers.
- Differential gain and differential filtering.
- Video line drivers.
- Differential in/out level shifting.
- Single-ended input to differential output drivers.
- Active transformers.
- Automotive driver assistance systems.
- Automotive infotainment systems.
- Transmission of high-speed signals over twisted pair or coaxial cables.
Q & A
- What is the primary function of the AD8132WARMZ-R7?
The AD8132WARMZ-R7 is a differential amplifier that converts single-ended input signals to differential output signals.
- What is the bandwidth of the AD8132WARMZ-R7?
The bandwidth is 350 MHz.
- What is the slew rate of the AD8132WARMZ-R7?
The slew rate is 1200 V/μs.
- How is the gain set for the AD8132WARMZ-R7?
The gain is set using resistors.
- Is the AD8132WARMZ-R7 RoHS compliant?
Yes, it is RoHS compliant.
- What is the power supply range for the AD8132WARMZ-R7?
The power supply range is +2.7 V to ±5.5 V.
- What are some common applications of the AD8132WARMZ-R7?
Common applications include low power differential ADC drivers, video line drivers, and automotive systems.
- How does the AD8132WARMZ-R7 handle common-mode output voltage adjustment?
The common-mode output voltage can be adjusted by applying a voltage on the VOCM pin.
- Is the AD8132WARMZ-R7 qualified for automotive use?
Yes, it is fully AEC-Q100 qualified.
- Where can I find additional specifications and documents for the AD8132WARMZ-R7?
Additional specifications and documents can be found on the Analog Devices website or through authorized distributors.
- How can I contact technical support for the AD8132WARMZ-R7?
Technical support can be contacted through the customer support team of the authorized distributor listing the product.
