Texas Instruments LM4546BVH/NOPB Audio Amplifiers
18-Bit Audio Codec featuring 2 Analog-to-Digital Converters (ADCs) and 2 Digital-to-Analog Converters (DACs).

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments LM4546BVH/NOPB Audio Amplifiers technical specifications.
General
Alternate Parts Comparison (LM4546BVH/NOPB vs LM3S1332-EQC50-A2T vs LM3S1435-EQC50-A2 vs LM3S2533-EQC50-A2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 3V ~ 5.5V | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| RoHS | Yes | Yes | Yes | Yes |
| Package | LQFP | LQFP | LQFP | LQFP |
| Radiation Hardening | No | No | No | No |
| Package / Case | -- | 100-LQFP | 100-LQFP | 100-LQFP |
| Data Bus Width | -- | 32bit | 32bit | 32bit |
| Number of Pins | -- | 100 | 100 | 100 |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 16KB | 32KB | 64KB |
| Action |
Texas Instruments LM4546BVH/NOPB Audio Amplifiers Overview
18-Bit Audio Codec featuring 2 Analog-to-Digital Converters (ADCs) and 2 Digital-to-Analog Converters (DACs). Supports a sampling rate of 48KS/s with 2 ADC channels and 2 DAC channels. Offers 6 analog inputs and 2 analog outputs, with a gain of 20dB. Operates within a 3V to 5.5V supply voltage range and features a serial interface.
Packaged in a 48-pin LQFP for surface mounting, this RoHS compliant component is delivered in tray packaging.