LM393P vs LM2903N 对比
详细并排对比 LM393P 出自 Texas Instruments 和 LM2903N 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。
Texas Instruments
LM393P - Dual Comparator, 2V-36V, Open-Collector, 8-PDIP | Texas Instruments
LM393P ✓ 量产中Texas Instruments
LM2903N - Dual Voltage Comparator, Open-Collector, 8-DIP | TI/STMicro/onsemi
LM2903N ✓ 量产中规格对比
| 参数 | LM393P | LM2903N |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 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） | $0.18 | $0.27 |
| Comparator Type | Differential (general purpose) | Low Offset Voltage, Dual Differential |
| Number of Comparators | 2 (dual) | 2 (dual independent) |
| 输出类型 | Open-Collector | Open-Collector / Open-Drain |
| Supply Voltage (Single) | 2 V to 36 V | — |
| Supply Voltage (Dual) | ±1 V to ±18 V | — |
| Input Offset Voltage (Max) | ±5 mV | 2.5 mV (LM2903 grade) |
| Input Bias Current (Typical) | 25 nA | — |
| Quiescent Current (Typical) | 0.4 mA | — |
| Response Time | 1.3 us (typical) | — |
| Propagation Delay | 300 ns | — |
| Output Sink Current (Max) | 16 mA | — |
| 工作温度 | 0 C to +70 C | — |
| 封装 | 8-PDIP (P) through-hole | 8-Pin PDIP (DIP-8, N suffix) |
| 安装类型 | Through-Hole | Through-Hole |
| RoHS 状态 | Compliant | Compliant (NOPB suffix); non-compliant original |
| Supply Voltage (Single Supply) | — | 2 V to 36 V |
| Supply Voltage (Dual Supply) | — | ±1 V to ±18 V |
| Input Bias Current (Typ) | — | 25 nA |
| Input Common-Mode Range | — | Includes ground (negative rail) |
| Output Sink Current (Typ) | — | 16 mA typical, 6 mA min |
| Response Time (Typ) | — | 1.3 us at 5 V / 2 mA |
| Differential Input Voltage (Max) | — | 36 V |
| 工作温度范围 | — | -40 C to +125 C |
| Lead-Free / NOPB Option | — | Yes (LM2903N/NOPB) |
| Manufacturer Source Bases | — | TI, STMicroelectronics, onsemi, NXP |