E-TDA7377 vs TDA7297D 对比
详细并排对比 E-TDA7377 出自 STMicroelectronics 和 TDA7297D 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。
规格对比
| 参数 | E-TDA7377 | TDA7297D |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Audio Amplifiers | 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） | $1.19 | $1.40 |
| Output Power (BTL) | 2x38W at 14.4V, 4Ω, 10% THD | — |
| Output Power (Single-Ended) | 4x10W at 14.4V, 4Ω, 10% THD | — |
| Supply Voltage Range | 8V to 18V | 6.5 V to 18 V |
| 静态电流 | 120 mA (typical) | — |
| Total Harmonic Distortion (THD) | 0.03% at 1kHz, 1W | — |
| Signal-to-Noise Ratio | 90 dB (typical) | — |
| Input Impedance | 30 kΩ (typical) | — |
| Output Offset Voltage | ±50 mV (max) | — |
| Standby Current | 1 μA (typical) | — |
| 工作温度范围 | -40°C to +150°C | — |
| 封装 | Multiwatt-15 | PowerSO-20 (exposed thermal pad, 12.8 x 7.5 mm) |
| 安装类型 | Through Hole | Surface Mount |
| Number of Channels | 4 (quad) or 2 (bridge) | 2 (stereo, bridge-tied load) |
| Protection Features | Short-circuit, thermal, over-voltage | — |
| RoHS 状态 | Compliant | — |
| Product Type | — | Dual Bridge (BTL) Audio Power Amplifier |
| 拓扑 | — | Dual Full Bridge (BTL), Class AB |
| Output Power | — | 10 W + 10 W into 8 ohm at THD = 10%, VCC = 13 V |
| 输出类型 | — | Bridge, no output coupling capacitor required |
| Gain | — | Internally fixed (typical +26 dB, datasheet for exact value) |
| Standby Function | — | Yes (Stand-by + Mute) |
| Short-Circuit Protection | — | Yes (built-in) |
| Thermal Protection | — | Yes (thermal shutdown) |
| External Components Required | — | None for SVR, bootstrap, Boucherot cells |
| Technology | — | BI20II bipolar |
| Primary Applications | — | Home audio, Plasma TV, LCD TV |