LM2903N vs LM393P 对比
详细并排对比 LM2903N 出自 Texas Instruments 和 LM393P 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
LM2903N - Dual Voltage Comparator, Open-Collector, 8-DIP | TI/STMicro/onsemi
LM2903N ✓ 量产中Texas Instruments
LM393P - Dual Comparator, 2V-36V, Open-Collector, 8-PDIP | Texas Instruments
LM393P ✓ 量产中规格对比
| 参数 | LM2903N | LM393P |
|---|---|---|
| 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） | $0.27 | $0.18 |
| Comparator Type | Low Offset Voltage, Dual Differential | Differential (general purpose) |
| Number of Comparators | 2 (dual independent) | 2 (dual) |
| 输出类型 | Open-Collector / Open-Drain | Open-Collector |
| Supply Voltage (Single Supply) | 2 V to 36 V | — |
| Supply Voltage (Dual Supply) | ±1 V to ±18 V | — |
| Input Offset Voltage (Max) | 2.5 mV (LM2903 grade) | ±5 mV |
| 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 | — |
| 封装 | 8-Pin PDIP (DIP-8, N suffix) | 8-PDIP (P) through-hole |
| 安装类型 | Through-Hole | Through-Hole |
| RoHS 状态 | Compliant (NOPB suffix); non-compliant original | Compliant |
| Lead-Free / NOPB Option | Yes (LM2903N/NOPB) | — |
| Manufacturer Source Bases | TI, STMicroelectronics, onsemi, NXP | — |
| Supply Voltage (Single) | — | 2 V to 36 V |
| Supply Voltage (Dual) | — | ±1 V to ±18 V |
| 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 |