The LM1972M/NOPB from Texas Instruments is a 2-channel volume control IC, branded MICRO-POT, offering a 78 dB attenuation range controlled via a 3-wire SPI interface. The device is specified over the commercial temperature range of 0°C to 70°C, which suits rack-mount and consumer audio gear but not extended outdoor or automotive environments.
Texas Instruments LM1972M/NOPB Volume Control IC, 78 dB
MPNLM1972M/NOPB
End of Life
Texas Instruments LM1972M/NOPB MICRO-POT 2-channel volume control IC, 78 dB attenuation range, SPI interface, 4.5V-12V supply, 20-SOIC (0.295", 7.50mm Width), surface mount, bulk package.
$2.84Ref. price · indicative, final on quote
Packaging20-SOIC (0.295", 7.50mm Width)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Supply voltage | 4.5V ~ 12V |
| Interface | SPI |
| Operating temperature | 0°C ~ 70°C (TA) |
| Package | Bulk |
| Function | Volume Control |
| Applications | Consumer Audio, Professional Audio |
| Case | 20-SOIC (0.295\", 7.50mm Width) |
| Specifications | 78dB |
| Channels | 2 |
Product details
Frequently asked questions
How do I get current pricing and availability for the LM1972M/NOPB?
Submit an RFQ through this listing.
What is the LM1972M/NOPB's listed function and interface?
Its function is Volume Control, and it uses a 3-wire SPI interface to set the attenuation level across the two channels.