AD8331ARQZ

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Series Information for AD8331ARQZ - 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 AMP VARIABLE GAIN 8331 QSOP20

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:
2 Amplifier, 2Amplifiers
Bandwidth:
120MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Supply Voltage Range:
4.5V to 5.5V
Amplifier Case Style:
QSOP
No. of Pins:
20Pins
Product Range:
AD8331 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
Amplifier Type:
Programmable Gain
Base Number:
8331
Gain Accuracy:
2dB
Gain Bandwidth:
120MHz
Gain dB Max:
55.5dB
IC Generic Number:
8331
IC Temperature Range:
Commercial
Logic Function Number:
8331
Operating Temperature Range:
-40°C to +85°C
Slew Rate:
650V/µs
Supply Voltage + Nom:
5V
Supply Voltage Max:
5.5V
Supply Voltage Min:
4.5V
Termination Type:
Surface Mount Device
Voltage Vcc:
5V

Alternate Descriptions

RS Components
AD8331 variable gain prog Rin SMT amp
RS Components UK
AD8331 variable gain prog Rin SMT amp
RS Components DE
Verstärker mit programmierbarem Verstärkungsfaktor AD8331ARQZ, 1, No QSOP, 20-Pin Stromversorgungs-Typ : Single Versorgungsspannung einzeln typ. : 5 V Eingangswiderstand max. : 0.006MΩ Montage-Typ : SMD Ausgangs-Typ : Differential Abmessungen : 8.66 x 3.91 x 1.65mm Länge : 8.66mm Betriebstemperatur max. : +85 °C Betriebstemperatur min. : -40 °C Breite : 3.91mm, Analog Devices
RS Components HK
IC,Amplifier,variable gain,ult
RS Components JP
半導体,特殊アンプ
RS Components FR
Amplificateur CMS à gain variable
RS Components CN
IC,放大器,可变增益,超低�
RS Components ES
AD8331 variable gain prog Rin SMT amp
RS Components NL
AD8331 variable gain prog Rin SMT amp
RS Components NO
AD8331ARQZ
RS Components US
AD8331 variable gain prog Rin
RS Components SG
AD8331 variable gain prog Rin SMT amp
RS Components TW
Amplificatore AD8331ARQ