TDA7297D vs E-TDA7377 对比
详细并排对比 TDA7297D 出自 STMicroelectronics 和 E-TDA7377 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 | TDA7297D | E-TDA7377 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Amplifier ICs | Audio Amplifiers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.40 | $1.19 |
| 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 | — |
| Supply Voltage Range | 6.5 V to 18 V | 8V to 18V |
| Number of Channels | 2 (stereo, bridge-tied load) | 4 (quad) or 2 (bridge) |
| 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 | — |
| 封装 | PowerSO-20 (exposed thermal pad, 12.8 x 7.5 mm) | Multiwatt-15 |
| Technology | BI20II bipolar | — |
| 安装类型 | Surface Mount | Through Hole |
| Primary Applications | Home audio, Plasma TV, LCD TV | — |
| Output Power (BTL) | — | 2x38W at 14.4V, 4Ω, 10% THD |
| Output Power (Single-Ended) | — | 4x10W at 14.4V, 4Ω, 10% THD |
| 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 |
| Protection Features | — | Short-circuit, thermal, over-voltage |
| RoHS 状态 | — | Compliant |