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Voltage Controlled Amplifiers (VCA)

Hands-down the most widely used VCAs in both pro and MI applications, THAT Corporation's 2180 and 2181 series provide extremely wide dynamic range and control range, very low distortion (lowest in the trimmable 2181 series), low noise, and the all-important "deci-linear" control whereby linear changes in control port voltage result in decibel-wise changes in signal gain.

Make sure to check out THAT's extensive Design Notes for dozens of application and circuit ideas!

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DESIGNER
Package Part Number Part status Availability Price
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DescriptionPurchaseTechnical detailsManufacturer
THAT2162Q16-UQSOP-16 THAT2162Q16-U
Active
>1K
1+ £ 5.14
25+ £ 3.97
100+ £ 3.19
Dual VCABUYTHAT2162THAT
THAT2180AL08-USIP-8 THAT2180AL08-U
Active
161
1+ £ 8.19
25+ £ 6.33
100+ £ 5.09
Pre-trimmed VCA (0.01%)BUYTHAT2180THAT
THAT2180BL08-USIP-8 THAT2180BL08-U
Active
179
1+ £ 5.55
25+ £ 4.28
100+ £ 3.45
Pre-trimmed VCA (0.02%)BUYTHAT2180THAT
THAT2180CL08-USIP-8 THAT2180CL08-U
Active
>1K
1+ £ 4.41
25+ £ 3.40
100+ £ 2.74
Pre-trimmed VCA (0.05%)BUYTHAT2180THAT
THAT2181AL08-USIP-8 THAT2181AL08-U
Active
148
1+ £ 7.95
25+ £ 6.14
100+ £ 4.94
Trimmable VCA (0.005%) SIL packageBUYTHAT2181THAT
THAT2181AS08-USOIC-8 THAT2181AS08-U
Active
196
1+ £ 8.36
25+ £ 6.46
100+ £ 5.20
Trimmable High Performance VCABUYTHAT2181THAT
THAT2181BL08-USIP-8 THAT2181BL08-U
Active
>1K
1+ £ 5.14
25+ £ 3.97
100+ £ 3.19
Trimmable VCA (0.008%) SIL packageBUYTHAT2181THAT
THAT2181BS08-USOIC-8 THAT2181BS08-U
Active
24
1+ £ 5.31
25+ £ 4.10
100+ £ 3.30
Trimmable VCA (0.008%) SM packageBUYTHAT2181THAT
THAT2181CL08-USIP-8 THAT2181CL08-U
Active
>1K
1+ £ 4.14
25+ £ 3.20
100+ £ 2.57
Trimmable VCA (0.02%) SIL packageBUYTHAT2181THAT
THAT2181CS08-USOIC-8 THAT2181CS08-U
Active
>1K
1+ £ 4.53
25+ £ 3.50
100+ £ 2.81
Trimmable VCA (0.02%) SM packageBUYTHAT2181THAT

Data Sheet

Links

Application Note. Digital Gain Control with Analog VCAs
Design Note. Improving VCA performance I
Design Note. Improving VCA Performance II & III
Design Note. VCAs in a pan potentiometer application
Design Note. VCA Symmetry Auto-Trim Circuit
THAT Voltage Controlled Amplifier Selection Guide
THAT Application Notes