AD8331ARQ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD8331ARQ
Manufacturer

ADI
ChipWorker Part#

CW96161438
Category

Amplifier, Buffer IC
Package

QSOP-20
Description

SP Amp Variable Gain Amp Single 5.5V 20Pin QSOP Tube
Documentation

Datasheet

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AD8331ARQ Specifications

Attribute	Attribute Value

Part Number	AD8331ARQ
Manufacturer	ADI
ChipWorker Part#	CW96161438
Category	Amplifier, Buffer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	QSOP-20
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Power Dissipation	780 mW
Slew Rate	1.20 kV/μs
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	780 mW
	expand all
Size-Height	1.65 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
HK STC License	NLR

Product Description

GENERAL DESCRIPTION
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 preamplifier (LNA), an X-AMP® VGA with 48 dB of gain range, and a selectable gain postamplifier 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.
FEATURES
Ultralow noise preamplifier
Voltage noise = 0.74 nV/√Hz
Current noise = 2.5 pA/√Hz
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
−4.5 dB to +43.5 dB
+7.5 dB to +55.5 dB
Low output-referred noise: 48 nV/√Hz 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
APPLICATIONS
Ultrasound and sonar time-gain controls
High performance AGC systems
I/Q signal processing
High speed, dual ADC drivers

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