AD8332ARUZ

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Series Information for AD8332ARUZ - Analog Devices

Features

  • feature
    Ultralow noise preamplifier (preamp) Voltage noise = 0.74 nV/u221aHz Current noise = 2.5 pA/u221aHz 3 dB bandwidth AD8331: 120 MHz AD8332, AD8334: 100 MHz Low power AD8331: 125 mW/channel AD8332, AD8334: 145 mW/channel Wide gain range with programmable postamp u22124.5 dB to +43.5 dB in LO gain mode 7.5 dB to 55.5 dB in HI gain mode Low output-referred noise: 48 nV/u221aHz typical Active input impedance matching Optimized for 10-bit/12-bit ADCs Selectable output clamping level Single 5 V supply operation AD8332 and AD8334 available in lead frame chip scale package

Description

IC VGA DUAL PREAMP SMD TSSOP28
The AD8331/AD8332/AD8334 are single-, dual-, and quad- channel, ultralow noise linear-in-dB, variable gain amplifiers (VGAs). Optimized for ultrasound systems, they are usable as a low noise variable gain element at frequencies up to 120 MHz. Included in each channel are an ultralow noise preamp (LNA), an X-AMP® VGA with 48 dB of gain range, and a selectable gain postamp with adjustable output limiting. The LNA gain is 19 dB with a single-ended input and differential outputs. Using a single resistor, the LNA input impedance can be adjusted to match a signal source without compromising noise performance. The 48 dB gain range of the VGA makes these devices suitable for a variety of applications. Excellent bandwidth uniformity is maintained across the entire range. The gain control interface provides precise linear-in-dB scaling of 50 dB/V for control voltages between 40 mV and 1 V. Factory trim ensures excellent part-to-part and channel-to-channel gain matching.

Specifications

No. of Channels:
1Channels
No. of Amplifiers:
2Amplifiers
Bandwidth:
100MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Supply Voltage Range:
4.5V to 5.5V
Amplifier Case Style:
TSSOP
No. of Pins:
28Pins
Product Range:
AD8332 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
4.5V to 5.5V
Base Number:
8332
Gain Accuracy:
2dB
Gain Bandwidth:
100MHz
Gain dB Max:
55.5dB
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Max:
5.5V
Supply Voltage Min:
4.5V
Termination Type:
Surface Mount Device