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Details for VCA821ID by Texas Instruments
Semiconductors - ICs > Amplifiers & Comparators > Programmable Gain Amplifiers
VCA821ID
Buy Directly from Texas Instruments (6226 in stock) $3.7000
IC OP-AMP VGA 710MHZ SGL 14SOIC
VCA821ID image

VCA821ID by Texas Instruments

IC OP-AMP VGA 710MHZ SGL 14SOIC
Features
0.1-dB Gain Flatness to 135 MHz
2500 V/u03bcs Slew Rate
320 MHz, 4 VPP Bandwidth (G = +10 V/V)
710-MHz Small-Signal Bandwidth (G = +2 V/V)
> 40-dB Gain Adjust Range
High Gain Accuracy: 20 dB u00b10.3 dB
High Output Current: u00b190 mA
Part Information
VCA821ID image
RoHS Compliant
Description
The VCA821 device is a DC-coupled, wideband, linear in dB, continuously variable, voltage-controlled gain amplifier. It provides a differential input to singleended conversion with a high-impedance gain control input used to vary the gain down 40 dB from the nominal maximum gain set by the gain resistor (RG) and feedback resistor (RF). The VCA821 device internal architecture consists of two input buffers and an output current feedback amplifier stage integrated with a multiplier core to provide a complete variable gain amplifier (VGA) system that does not require external buffering. The maximum gain is set externally with two resistors, providing flexibility in designs. The maximum gain is intended to be set between 6 dB and 32 dB. Operating from ±5-V supplies, the gain control voltage for the VCA821 device adjusts the gain linearly in dB as the control voltage varies from 0V to +2 V. For example, set at a maximum gain of 20 dB, the VCA821 device provides 20 dB, at VG = +2 V, to less than –20 dB at VG = 0 V. The VCA821 device offers excellent gain linearity. For a 20-dB maximum gain, and a gain-control input voltage varying between +1 V and +2 V, the gain does not deviate by more than ±0.3 dB (maximum at +25°C).
Specifications
No. of Channels:
1Channels
No. of Amplifiers:
1 Amplifier, 1Amplifiers
Bandwidth:
710MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Supply Voltage Range:
± 3.5V to ± 6V
Amplifier Case Style:
SOIC
No. of Pins:
14Pins
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Amplifer Supply Voltage:
± 3.5V to ± 6V
Base Number:
821
Gain Accuracy:
0.6dB
Gain Bandwidth:
710MHz
Op Amp Type:
Wideband
Operating Temperature Range:
-40°C to +85°C
Slew Rate:
2500V/µs
Supply Voltage Max:
6V
Supply Voltage Min:
3.5V
Termination Type:
Surface Mount Device
Alternate Descriptions
OP Amp Single GP ±6V 14-Pin SOIC Tube Avnet America
OP Amp Single GP ±6V 14-Pin SOIC Tube Avnet Europe
Wideband, > 40dB Adjust Range, Linear in dB Variable Gain Amplifier Texas Instruments
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