TPA301D vs TPA321DR 对比
详细并排对比 TPA301D 出自 Texas Instruments 和 TPA321DR 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 | TPA301D | TPA321DR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Amplifier ICs | Motor Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.35 | $0.00 |
| Product Type | Mono Class-AB audio power amplifier | Mono analog-input Class-AB audio amplifier |
| Rated Output Power | 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 | — |
| Output Topology | Bridge-tied load (BTL) | — |
| Audio Channel Count | 1 channel, mono | — |
| 封装 | 8-pin SOIC | 8-pin SOIC surface-mount package |
| 安装类型 | Surface mount | — |
| Shutdown Quiescent Current | 0.15 uA | — |
| Protection Features | Thermal and short-circuit protection | Short-circuit protection and thermal protection |
| 工作温度 | -40 C to +85 C | -40°C to +85°C |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| 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 | — |
| Maximum Output Power | — | 700mW |
| Output Power at 3.3V, 8Ω | — | 250mW continuous power at less than 1% THD+N |
| Supply Voltage Range | — | 2.5V to 5.5V |
| Supported Supply Operation | — | 3.3V and 5V |
| 输出配置 | — | Mono bridge-tied load (BTL) |
| 输出类型 | — | Differential output |
| Input Configuration | — | Differential inputs |
| Maximum Load Resistance | — | 8Ω |
| Package Pin Count | — | 8 pins |
| Power Dissipation | — | 725mW maximum |
| Quiescent Supply Current | — | Ultralow supply current in shutdown mode; exact value not provided |
| Gain | — | Set with external resistors |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |