| PartNumber | STA321MPL1TR | STA321 | STA321MPL |
| Description | Audio DSPs Scalable digital microphone processor | Audio DSPs 4-CH Digital Audio FFX Driver System | IC AUDIO PROCESSOR 8CHAN TQFP64 |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Audio DSPs | Audio DSPs | Audio Special Purpose |
| RoHS | Y | Y | - |
| Series | STA321MPL1 | STA321 | STA321MP |
| Product | Audio DSPs | Digital Audio Processors | Digital Audio Processors |
| Operating Supply Voltage | 3.3 V | 2.5 V to 3.6 V | - |
| Operating Supply Current | 60 mA | 10 mA | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 90 C | + 70 C | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | TQFP-64 | LQFP-64 | - |
| Packaging | Reel | Tray | Tray |
| Resolution | 24 bit | 16 bit | - |
| Type | Digital Microphone Processor | Microphone Processor | Microphone Processor |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Interface Type | I2C, I2S | - | - |
| Number of Channels | 8 Channel | 4 Channel | 8 |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Audio DSPs | Audio DSPs | - |
| Factory Pack Quantity | 1000 | 960 | - |
| Subcategory | Audio ICs | Audio ICs | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 3 V | - | - |
| THD plus Noise | - | 0.3 % | - |
| SNR Signal to Noise Ratio | - | 75 dB | - |
| Unit Weight | - | 0.012088 oz | 0.012720 oz |
| Package Case | - | - | TQFP-64 |
| Operating Temperature | - | - | -40°C ~ 125°C (TJ) |
| Specifications | - | - | Full Flexible Amplification |
| Function | - | - | Fully Integrated Processor |
| Applications | - | - | Pre-Amplifier |
| Interface | - | - | I2C, I2S |
| Voltage Supply | - | - | 3 V ~ 3.6 V |
| Supplier Device Package | - | - | 64-TQFP (10x10) |