Datasheet for AD9273:
- Manufacturer Part Number : AD9273
- Manufacturer : AD
- Description : Octal LNA/VGA/AAF/ADC and Crosspoint Switch
- Series : AD9273
- Reference Price : USD 35.432
- Our Price : We have a better price, contact us by email
- Product Type : High Speed A/D Converters >10 MSPS
- Function : Standard High Speed A/D Converters >20 MSPS
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD9273
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 8 channels of LNA, VGA, AAF, and ADC
- Low noise preamplifier (LNA) - See data sheet for additional information
- Variable gain amplifier (VGA) - See data sheet for additional information
- Antialiasing filter (AAF) - See data sheet for additional information
- Analog-to-digital converter (ADC) - See data sheet for additional information
- Includes an 8 × 8 differential crosspoint switch to support continuous wave (CW) Doppler
- Low power, 109 mW per channel at 12 bits/40 MSPS (TGC)
- 70 mW per channel in CW Doppler
- Flexible power-down modes
- Overload recovery in <10 ns
- See data sheet for additional features
Each channel features a variable gain range of 42 dB, a fully differential signal path, an active input preamplifier termination, a maximum gain of up to 52 dB, and an ADC with a conversion rate of up to 50 MSPS. The channel is optimized for dynamic performance and low power in applications where a small package size is critical.
The LNA has a single-ended-to-differential gain that is selectable through the SPI. The LNA input-referred noise voltage is typically 1.26 nV/√Hz at a gain of 21.3 dB, and the combined input-referred noise voltage of the entire channel is 1.42 nV/√Hz at typical gain. Assuming a 15 MHz noise bandwidth (NBW) and a 21.3 dB LNA gain, the input SNR is about 91 dB. In CW Doppler mode, the LNA output drives a transconductance amp that is switched through an 8 × 8 differential crosspoint switch. The switch is programmable through the SPI.
Applications
- Medical imaging/ultrasound
- Automotive radar
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.
