| PartNumber | LM1973M/NOPB | LM1973MX/NOPB | LM1973N/NOPB |
| Description | Attenuators Micro-Pot 3CH 78dB Audio Attenuator | Active Attenuator Micro-Pot 3-Channel 76 dB Audio Attenuator with Mute 20-SOIC 0 to 70 | IC AUDIO ATTENUATOR 3CH 20-DIP |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Attenuators | Audio Special Purpose | Audio Special Purpose |
| RoHS | Y | - | - |
| Package / Case | SOIC-20 | - | - |
| Maximum Attenuation | 76 dB | - | - |
| Maximum Frequency | 3 MHz | - | - |
| Number of Bits | 8 bit | - | - |
| Number of Channels | 3 Channel | 3 | 3 |
| Impedance | 40 kOhms | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Packaging | Tube | Tape & Reel (TR) Alternate Packaging | Tube |
| Power Rating | 150 mW | - | - |
| Series | LM1973 | LM1973 | - |
| Technology | Silicon | - | - |
| Type | Audio Attenuator | - | - |
| Brand | Texas Instruments | - | - |
| Mounting Style | SMD/SMT | - | - |
| Minimum Frequency | 2 MHz | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Voltage | 4.5 V to 12 V | - | - |
| Product Type | Attenuators | - | - |
| Factory Pack Quantity | 36 | - | - |
| Subcategory | Wireless & RF Integrated Circuits | - | - |
| Unit Weight | 0.028254 oz | 0.028254 oz | - |
| Package Case | - | SOIC-20 | 20-DIP (0.300", 7.62mm) |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Specifications | - | 76dB | 76dB |
| Function | - | Volume Control | Volume Control |
| Applications | - | Consumer Audio, Professional Audio | Consumer Audio, Professional Audio |
| Interface | - | SPI | SPI |
| Voltage Supply | - | 4.5 V ~ 12 V | 4.5 V ~ 12 V |
| Supplier Device Package | - | 20-SOIC | 20-DIP |