| Part Number | LM1971M/NOPB | LM1973M/NOPB | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Audio Special Purpose | Audio Special Purpose | 
|   |   | |
| Product Status | Active | Active | 
| Function | Volume Control | Volume Control | 
| Applications | Communication Systems | Consumer Audio, Professional Audio | 
| Number of Channels | 1 | 3 | 
| Interface | SPI | SPI | 
| Voltage - Supply | 4.5V ~ 12V | 4.5V ~ 12V | 
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 
| Specifications | 115dB | - | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 20-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 8-SOIC | 20-SOIC |