| PartNumber | LM1972MX/NOPB | LM1972M/NOPB | LM1972M |
| Description | Attenuators Micro-Pot 2CH 78dB Audio Attenuator | Attenuators Micro-Pot 2CH 78dB Audio Attenuator | Attenuators Obsolete, LTB expires Nov 6, 2018 |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Attenuators | Attenuators | Attenuators |
| RoHS | Y | Y | N |
| Package / Case | SOIC-20 | SOIC-20 | SOIC-20 |
| Maximum Attenuation | 78 dB | 78 dB | 78 dB |
| Maximum Frequency | 3 MHz | 3 MHz | 3 MHz |
| Number of Bits | 8 bit | 8 bit | - |
| Number of Channels | 2 Channel | 2 Channel | 2 Channel |
| Impedance | 40 kOhms | 40 kOhms | - |
| Attenuator Step Size | 0.5 dB | 0.5 dB | 0.5 dB |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Reel | Tube | Tube |
| Series | LM1972 | LM1972 | LM1972 |
| Type | Audio Attenuator | Audio Attenuator | Audio Attenuator |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Minimum Frequency | 2 MHz | 2 MHz | 2 MHz |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 4.5 V to 12 V | 4.5 V to 12 V | 4.5 V to 12 V |
| Product Type | Attenuators | Attenuators | Attenuators |
| Factory Pack Quantity | 1000 | 36 | 36 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Unit Weight | 0.028254 oz | 0.028254 oz | 0.028254 oz |
| Technology | - | Silicon | Silicon |