TPA311D vs TPA321DG4 Comparison
Detailed side-by-side comparison of TPA311D by Texas Instruments and TPA321DG4 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | TPA311D | TPA321DG4 |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Unknown | Active |
| Product Type | Mono Class-AB audio power amplifier | — |
| Rated Output Power | 350 mW | 350 mW |
| 3.3 V Continuous BTL Power into 8 ohm | 250 mW at less than 1% THD+N throughout voice-band frequencies | — |
| Channel Count | 1 channel | — |
| Supply Voltage Operation | 3.3 V and 5 V | 3.3 V and 5 V (fully specified) |
| Output Topology | Bridge-tied load (BTL) or single-ended (SE) | — |
| Protection Features | Integrated thermal and short-circuit protection | — |
| Output Transient Control | Integrated depop circuitry | — |
| Package | 8-pin SOIC | — |
| Mounting Type | Surface mount | Surface Mount |
| THD+N at 3.3 V and 250 mW | Less than 1% throughout voice-band frequencies | — |
| Recommended Speaker Load | 8 ohm | — |
| Typical Target | Internal speaker and external earphone operation | — |
| Switching Mode | Bridge-tied load to single-ended switching mode | — |
| Manufacturer | Texas Instruments | — |
| Supplier Listing | DigiKey product listing | — |
| Device Type | — | Mono Class-D audio power amplifier |
| Nominal Output Power (distributor listing) | — | 0.7 W |
| Maximum Supply Voltage | — | 5.5 V |
| Maximum Output Load Resistance | — | 8 ohm |
| Input Configuration | — | Differential inputs |
| Output Configuration | — | Differential output |
| Total Harmonic Distortion | — | 0.5 % |
| Maximum Power Dissipation | — | 725 mW |
| Maximum Supply Current | — | 1.5 mA |
| Shutdown Supply Current | — | 0.15 uA |
| Operating Temperature Range | — | -40 C to +85 C (industrial grade) |
| Package Type | — | SOIC-8 (DG4), gull wing, rectangular |
| Number of Terminals | — | 8 |
| Datasheet Length | — | 26 pages |
| RoHS Status | — | [DATA_NEEDED: RoHS compliance statement] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |