Low Power Differential ADC Driver
The ADA4932 family is the next generation AD8132 with higher performance, and lower noise and power consumption. It is an ideal choice for driving high performance ADCs as a single-ended-to-differential or differential-to-differential amplifier. The output common-mode voltage is user adjustable by means of an internal common-mode feedback loop, allowing the ADA4932 family output to match the input of the ADC. The internal feedback loop also provides exceptional output balance as well as suppression of even-order harmonic distortion products.
With the ADA4932 family, differential gain configurations are easily realized with a simple external four-resistor feedback network that determines the closed-loop gain of the amplifier.
The ADA4932 family is fabricated using the Analog Devices, Inc., proprietary silicon-germanium (SiGe) complementary bipolar process, enabling it to achieve low levels of distortion and noise at low power consumption. The low offset and excellent dynamic performance of the ADA4932 family make it well suited for a wide variety of data acquisition and signal processing applications.
The ADA4932-1 is available in a 16-lead LFCSP and the ADA4932-2 is available in a 24-lead LFCSP. The pinout has been optimized to facilitate PCB layout and minimize distortion. The ADA4932 family is specified to operate over the −40°C to +105°C temperature range; both operate on supplies between +3 V and ±5 V.
- ADC drivers
- Single-ended-to-differential converters
- IF and baseband gain blocks
- Differential buffers
- Line drivers
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
MT-076: Differential Driver Analysis
Product Selection Guide
SAR ADC & Driver Quick-Match Guide
Find drivers for ADI's most popular single-ended and differential SAR ADCs based on your specific application...
Customer Case Studies
National Instruments Case Study
ADI’s 50 MSPS per channel ADC gives National Instruments the capacity for high-end, real-time measurement.
"Rules of the Road" for High-Speed Differential ADC Drivers
(Analog Dialogue, Vol. 43, No. 5, 2009)
Rarely Asked Questions
Can I use an amplifier as an attenuator?
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.