TPA321DG4 vs TPA311D Comparison
Detailed side-by-side comparison of TPA321DG4 by Texas Instruments and TPA311D 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 | TPA321DG4 | TPA311D |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Unknown |
| Device Type | Mono Class-D audio power amplifier | — |
| Rated Output Power | 350 mW | 350 mW |
| Nominal Output Power (distributor listing) | 0.7 W | — |
| Supply Voltage Operation | 3.3 V and 5 V (fully specified) | 3.3 V and 5 V |
| 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 | — |
| Mounting Type | Surface Mount | Surface mount |
| Datasheet Length | 26 pages | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance statement] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Product Type | — | Mono Class-AB audio power amplifier |
| 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 |
| 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 |
| 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 |