TPA311D vs TPA301D Comparison
Detailed side-by-side comparison of TPA311D by Texas Instruments and TPA301D 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 | TPA301D |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Unknown | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.35 |
| Product Type | Mono Class-AB audio power amplifier | 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 |
| Output Topology | Bridge-tied load (BTL) or single-ended (SE) | Bridge-tied load (BTL) |
| Protection Features | Integrated thermal and short-circuit protection | Thermal and short-circuit protection |
| Output Transient Control | Integrated depop circuitry | — |
| Package | 8-pin SOIC | 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 | — |
| Verified 3.3 V Output Power | — | 250 mW continuous into 8 ohm BTL at less than 1% THD+N throughout the voice band |
| Audio Channel Count | — | 1 channel, mono |
| Shutdown Quiescent Current | — | 0.15 uA |
| Operating Temperature | — | -40 C to +85 C |
| RoHS Status | — | Compliant |
| Lifecycle Status | — | Active |
| Manufacturer Product Page | — | TPA301 |
| Manufacturer Data Sheet Revision | — | Rev. E |
| Distributor Package Description | — | 8-SOIC |
| Distributor Price Reference | — | $0.5783 at MOQ 10, as of 2026-10-23 |