TPA311D vs TPA301D 对比
详细并排对比 TPA311D 出自 Texas Instruments 和 TPA301D 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | TPA311D | TPA301D |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | Unknown | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（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 | — |
| 封装 | 8-pin SOIC | 8-pin SOIC |
| 安装类型 | 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 |
| 工作温度 | — | -40 C to +85 C |
| RoHS 状态 | — | Compliant |
| 生命周期状态 | — | 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 |