Overview
The AD8132AR-REEL, produced by Analog Devices Inc., is a low-cost, high-speed differential or single-ended input to differential output amplifier. It features resistor-set gain and is designed to drive differential input ADCs or transmit high-speed signals over long lines. Manufactured using Analog Devices' next-generation XFCB bipolar process, the AD8132 offers significant improvements over traditional op-amps in terms of bandwidth, distortion, and noise performance. This amplifier is particularly useful for applications requiring high-speed signal processing with minimal distortion and radiated EMI.
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 Offset Voltage (RTI) | ±1.0 | ±3.5 | ±6 | mV |
| Input Bias Current | 3 | 7 | 8 | μA |
| Input Resistance (Differential) | 12 | MΩ | ||
| Output Voltage Swing (Single-Ended) | −3.6 | +3.6 | V | |
| Output Current | +70 | mA | ||
| Power Supply Range | +2.7 V to ±5.5 V | V |
Key Features
- High speed: 350 MHz, −3 dB bandwidth and 1200 V/μs slew rate.
- Resistor set gain for flexibility in circuit design.
- Internal common-mode feedback for improved gain and phase balance (−68 dB at 10 MHz).
- Low distortion: −99 dBc SFDR at 5 MHz with an 800 Ω load.
- Low power consumption: 10.7 mA at 5 V.
- Adjustable common-mode output voltage via the VOCM pin.
- Fully AEC-Q100 qualified for automotive applications (AD8132W version).
- Available in 8-lead SOIC and 8-lead MSOP packages.
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.
- Automotive driver assistance and infotainment systems.
- Transmission of high-speed signals over twisted pair or coaxial cables.
Q & A
- What is the −3 dB bandwidth of the AD8132?
The −3 dB bandwidth of the AD8132 is 350 MHz.
- What is the slew rate of the AD8132?
The slew rate of the AD8132 is 1200 V/μs.
- How is the common-mode output voltage adjusted in the AD8132?
The common-mode output voltage can be adjusted by applying a voltage to the VOCM pin.
- What is the power supply range for the AD8132?
The power supply range for the AD8132 is +2.7 V to ±5.5 V.
- Is the AD8132 suitable for automotive applications?
Yes, the AD8132W version is fully AEC-Q100 qualified for automotive applications.
- What are the typical applications of the AD8132?
The AD8132 is typically used in low power differential ADC drivers, video line drivers, differential gain and filtering, and transmission of high-speed signals over cables.
- What is the input voltage noise of the AD8132?
The input voltage noise of the AD8132 is 12 nV/√Hz.
- What is the output current capability of the AD8132?
The AD8132 can deliver up to +70 mA of output current.
- What packages are available for the AD8132?
The AD8132 is available in 8-lead SOIC and 8-lead MSOP packages.
- How does the AD8132 improve over traditional op-amps?
The AD8132 offers improved bandwidth, lower distortion, and better gain and phase matching compared to traditional op-amps.
