Product Summary
The AD8332ARUZ-R7 is a single-, dual-, and quad-channel ultralow noise, linear-in-dB, variable gain amplifier (VGA). Optimized for ultrasound systems, they are usable as a low noise variable gain element at frequencies up to 120 MHz. The applications of the AD8332ARUZ-R7 include Ultrasound and sonar time-gain controls, High performance AGC systems, I/Q signal processing, High speed, dual ADC drivers.
Parametrics
AD8332ARUZ-R7 absolute maximum ratings: (1)Supply Voltage (VPSn, VPSV, VPSL, VPOS): 5.5 V; (2)Input Voltage (INHn): VS + 200 mV; (3)ENB, ENBL, ENBV, HILO Voltage: VS + 200 mV; (4)GAIN Voltage: 2.5 V; (5)Power Dissipation AR Package1: 0.96 W; CP-32 Package (AD8332): 1.97 W; RQ Package1: 0.78 W; CP-64 Package (AD8334): 0.91 W; (6)Operating Temperature Range: -40℃ to +85℃; (7)Storage Temperature Range: -65℃ to +150℃; (8)Lead Temperature (Soldering 60 sec): 300℃.
Features
AD8332ARUZ-R7 features: (1)Ultralow noise preamplifier Voltage noise = 0.74 nV/√Hz; Current noise = 2.5 pA/√Hz; (2)3 dB bandwidth, AD8331: 120 MHz; AD8332, AD8334: 100 MHz; (3)Low power, AD8331: 125 mW/channel; AD8332, AD8334: 145 mW/channel; (4)Wide gain range with programmable postamp: -4.5 dB to +43.5 dB; +7.5 dB to +55.5 dB; (5)Low output-referred noise: 48 nV/√Hz typical; (6)Active input impedance matching; (7)Optimized for 10-bit/12-bit ADCs; (8)Selectable output clamping level; (9)Single 5 V supply operation; (10)AD8332 and AD8334 available in lead frame chip scale package.
Diagrams
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![]() AD8332ARUZ-R7 |
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![]() IC AMP VAR GAIN 2CHAN 28TSSOP |
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