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GENERAL DESCRIPTION
The AD9273 is designed for low cost, low power, small size, and ease of use. It contains eight channels of a low noise preamplifier (LNA) with a variable gain amplifier (VGA); an antialiasing filter (AAF); and a 12-bit, 10 MSPS to 50 MSPS analog-to digital converter (ADC).
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.FEATURES
8 channels of LNA, VGA, AAF, and ADC
Low noise preamplifier (LNA)
Input-referred noise voltage = 1.26 nV/√Hz (gain = 21.3 dB) @ 5 MHz typical
SPI-programmable gain = 15.6 dB/17.9 dB/21.3 dB
Single-ended input; VIN maximum = 733 mV p-p/550 mV p-p/367 mV p-p
Dual-mode active input impedance matching
Bandwidth (BW) > 100 MHz
Full-scale (FS) output = 4.4 V p-p differential
Variable gain amplifier (VGA)
Attenuator range = −42 dB to 0 dB
SPI-programmable PGA gain = 21 dB/24 dB/27 dB/30 dB
Linear-in-dB gain control
Antialiasing filter (AAF)
Programmable 2nd-order low-pass filter (LPF) from 8 MHz to 18 MHz
Programmable high-pass filter (HPF)
Analog-to-digital converter (ADC)
12 bits at 10 MSPS to 50 MSPS
SNR = 70 dB
SFDR = 75 dB
Serial LVDS (ANSI-644, IEEE 1596.3 reduced range link)
Data and frame clock outputs
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
Fast recovery from low power standby mode, <2 μs
100-lead TQFP and 144-ball BGAAPPLICATIONS
Medical imaging/ultrasound
Automotive radar -
Similar parts: 430483 , Click to view
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Datasheet
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Delivery period:
- - Will ship out in 2-3 days
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- - DHL eCommerce: 12-22 business days
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- - EMS: 10-15 business days
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DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/12 15:09 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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