TPA301D vs TPA311D Comparison
Detailed side-by-side comparison of TPA301D 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 | TPA301D | TPA311D |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Unknown |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.35 | $0.00 |
| Product Type | Mono Class-AB audio power amplifier | Mono Class-AB audio power amplifier |
| Rated Output Power | 350 mW | 350 mW |
| Verified 3.3 V Output Power | 250 mW continuous into 8 ohm BTL at less than 1% THD+N throughout the voice band | — |
| Supply Voltage Operation | 3.3 V and 5 V | 3.3 V and 5 V |
| Output Topology | Bridge-tied load (BTL) | Bridge-tied load (BTL) or single-ended (SE) |
| Audio Channel Count | 1 channel, mono | — |
| Package | 8-pin SOIC | 8-pin SOIC |
| Mounting Type | Surface mount | Surface mount |
| Shutdown Quiescent Current | 0.15 uA | — |
| Protection Features | Thermal and short-circuit protection | Integrated thermal and short-circuit protection |
| 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 | — |
| 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 Transient Control | — | Integrated depop circuitry |
| 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 |