L9955 vs L9955-TR 对比
详细并排对比 L9955 出自 National Semiconductor 和 L9955-TR 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。
National Semiconductor
L9955 - Low Power Quad Operational Amplifier | National Semiconductor (TI)
L9955 ✓ 量产中STMicroelectronics
L9955-TR - SPI Controlled 8-Channel Low-Side Driver | STMicroelectronics
L9955-TR ✓ 量产中规格对比
| 参数 | L9955 | L9955-TR |
|---|---|---|
| 品牌 | National Semiconductor | STMicroelectronics |
| 分类 | Amplifier ICs | Power MOSFET Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.75 | $2.70 |
| Number of Channels | 4 | 8 |
| Supply Voltage Range (Single) | 3 V to 30 V | — |
| Supply Voltage Range (Dual) | ±1.5 V to ±15 V | — |
| Quiescent Current per Amplifier | 0.4 mA (typical) | — |
| Unity-Gain Bandwidth | 1 MHz | — |
| Slew Rate | 0.5 V/µs | — |
| Input Offset Voltage | 2 mV (typical) | — |
| Input Bias Current | 50 nA (typical) | — |
| Common-Mode Input Voltage Range | 0 V to VCC - 1.5 V | — |
| Output Voltage Swing | 0 V to VCC - 1.5 V | — |
| Output Current | 20 mA (typical) | — |
| 工作温度范围 | -40°C to +85°C | -40°C to +150°C |
| 封装 | 14-pin DIP, 14-pin SOIC | PowerSO-36 |
| 安装类型 | Through Hole, Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| 输出类型 | — | Low-Side Driver |
| Supply Voltage (Logic) | — | 4.5 V to 5.5 V |
| Supply Voltage (Power Stage) | — | Up to 40 V |
| Output Current per Channel | — | 1.2 A continuous, 2 A peak |
| SPI Interface | — | Yes, up to 5 MHz |
| Diagnostic Readback | — | 16-bit |
| Protection Features | — | Overcurrent, Overtemperature, Open-Load |
| AEC-Q100 Qualified | — | Yes |
| Output Leakage Current | — | [DATA_NEEDED: Output Leakage Current] |
| 开关频率 | — | [DATA_NEEDED: Switching Frequency] |