TDA7256 vs E-TDA7391PDTR 对比
详细并排对比 TDA7256 出自 STMicroelectronics 和 E-TDA7391PDTR 出自 STMicroelectronics。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。
STMicroelectronics
TDA7256 - 30W Class-AB Bridge Car-Radio Amplifier | STMicroelectronics
TDA7256 ✓ 量产中STMicroelectronics
E-TDA7391PDTR - 2x40W Dual BTL Audio Amplifier | STMicroelectronics
E-TDA7391PDTR ✓ 量产中规格对比
| 参数 | TDA7256 | E-TDA7391PDTR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.95 | $3.36 |
| Product Type | Class-AB Bridge Audio Power Amplifier | — |
| Output Channels | 1 (Mono, BTL) | — |
| 拓扑 | Bridge-Tied Load (BTL), Class-AB | — |
| Output Power | 30 W into 4 ohm at THD 10% | 2x40W at 4 ohm, 14.4V, 10% THD |
| Minimum Load Impedance | 2 ohm | — |
| Supply Voltage (Vs) | [6 - 18 V] | — |
| Input Type | Differential | — |
| Mute / Standby Logic | TTL compatible | — |
| Standby Current | Very low (standby mode) | — |
| Turn-on Delay | Programmable | — |
| Short-Circuit Protection | RL short, OUT to GND, OUT to Vs | Yes |
| Load-Dump Protection | Yes | — |
| 热关断 | Yes | — |
| 封装 | Multiwatt-11 (vertical, with tab) | PowerSO-20 |
| 安装类型 | Through-hole (with heatsink) | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | — | 8V to 18V |
| 静态电流 | — | 120mA |
| Amplifier Type | — | Class AB |
| 输出配置 | — | Bridge-Tied Load (BTL) |
| Number of Channels | — | 2 (Dual) |
| 工作温度范围 | — | -40C to +105C |
| Standby Function | — | Yes |
| Mute Function | — | Yes |
| Thermal Protection | — | Yes |
| Load Dump Protection | — | Yes |