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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The AD8264 is a quad, linear-in-dB, general-purpose variable gain amplifier (VGA) with a preamplifier (preamp), and a flexible differential output buffer. DC coupling, combined with wide bandwidth, makes this amplifier a very good pulse processor. Each channel includes a single-ended input preamp/VGA section to preserve the wide bandwidth and fast slew rate for low distortion pulse applications. A 6 dB differential output buffer with common-mode and offset adjustments enable direct coupling to most modern high speed analog-to-digital converters (ADCs), using the converter reference output for perfect dc matching levels.
- The −3 dB bandwidth of the preamp/VGA is dc to 235 MHz, and the bandwidth of the differential driver is 80 MHz. The floating gain control interface provides a precise linear-in-dB scale of 20 dB/V and is easy to interface to a variety of external circuits. The gain of each channel is adjusted independently, and all channels are referenced to a single pin, GNLO. Combined with a multioutput, digital-to-analog converter (DAC), each section of the AD8264 can be used for active calibration or as a trim amplifier.
- Operation from a bipolar power supply enables amplification of negative voltage pulses generated by current-sinking pulses into a grounded load, such as is typical of photodiodes or photomultiplier tubes (PMT). Delay-free processing of wideband video signals is also possible.
- Applications
- Multichannel data acquisition
- Positron emission tomography
- Gain trim
- Industrial and medical ultrasound
- Radar receivers
- ### Features and Benefits
- Low noise
- Voltage noise: 2.3 nV/√Hz
- Current noise: 2 pA/√Hz
- Wide bandwidth
- Small signal: 235 MHz (VGAx); 80 MHz (output amplifier)
- Large signal: 80 MHz
- (1 V p-p)
- Gain range
- 0 to 24 dB (input to VGA output)
- 6 to 30 dB (input to differential output)
- Gain scaling: 20 dB/V
- DC-coupled
- Single-ended input and differential output
- Supplies: ±2.5 V to ±5 V
- Low power: 140 mW per channel at ±3.3 V
AD8264 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Recommended for New Designs |
| RoHS | RoHS Compliant |
Order guide
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charges, duties and taxes.
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- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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