AD8331ARQZ - ADI

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

Part No

AD8331ARQZ
Manufacturer

ADI
ChipWorker Part#

CW234304
Category

Amplifier, Buffer IC
Package

QSOP-20
Description

ANALOG DEVICES AD8331ARQZ Programmable/Variable Amplifier, 1Channels, 2 Amplifier, 120MHz, -40℃, 85℃, 4.5V to 5.5V
Documentation

Datasheet

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AD8331ARQZ Specifications

Attribute	Attribute Value

Part Number	AD8331ARQZ
Manufacturer	ADI
ChipWorker Part#	CW234304
Category	Amplifier, Buffer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	QSOP-20
Supply Voltage (DC)	5.00 V
Supply Current	25.0 mA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	20 Position
Power Dissipation	0.78 W
Bandwidth	120 MHz
Slew Rate	650 V/μs
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Gain Bandwidth	120 MHz
Power Dissipation (Max)	780 mW
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5V ~ 7V
Supply Voltage (Min)	4.5 V
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Size-Length	8.66 mm
Size-Width	3.91 mm
Size-Height	1.65 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The AD8331ARQZ is an Ultralow Noise Variable Gain Amplifier with Preamplifier and Programmable RIN optimized for ultrasound systems. This VGA is used as low noise variable gain element at frequencies up to 120MHz. The LNA gain is 19dB 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 48dB 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 50dB/V for control voltages between 40mV and 1V. Factory trim ensures excellent part-to-part and channel-to-channel gain matching. Differential signal paths result in superb second and third order distortion performance and low crosstalk. The low output-referred noise of the VGA is advantageous in driving high speed differential ADCs.
Ultralow noise preamplifier
0.74nV/√Hz Voltage noise
2.5pA/√Hz Current noise
125mW/channel Power
Wide gain range with programmable postamp
48nV/√Hz Typical output-referred noise
Active input impedance matching
Optimized for 10/12-bit ADCs
Selectable output clamping level
ESD sensitive device, take proper precaution while handling the device.

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