LM293N vs LM2903N 对比
详细并排对比 LM293N 出自 STMicroelectronics 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。
STMicroelectronics
LM293N - Dual Open-Collector Comparator, 8-DIP | STMicroelectronics
LM293N UnknownTexas Instruments
LM2903N - Dual Voltage Comparator, Open-Collector, 8-DIP | TI/STMicro/onsemi
LM2903N ✓ 量产中规格对比
| 参数 | LM293N | LM2903N |
|---|---|---|
| 品牌 | STMicroelectronics | Texas Instruments |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | Unknown | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.27 |
| Comparator Configuration | Dual independent comparator | — |
| Number of Channels | 2 channels | — |
| 输出类型 | Open-collector | Open-Collector / Open-Drain |
| Supply Configuration | Single supply or split power supplies | — |
| Input Function | Differential voltage comparison | — |
| Common-Mode Input Range | [DATA_NEEDED: common-mode input voltage range] | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | — |
| Input Offset Voltage | [DATA_NEEDED: input offset voltage] | — |
| Output Saturation Voltage | [DATA_NEEDED: output saturation voltage] | — |
| Output Sink Current | [DATA_NEEDED: output sink current] | — |
| Response Time | [DATA_NEEDED: propagation delay] | — |
| 静态电流 | [DATA_NEEDED: supply current] | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | -40 C to +125 C |
| 封装 | 8-DIP | 8-Pin PDIP (DIP-8, N suffix) |
| 安装类型 | Through-hole | Through-Hole |
| Logic Compatibility | External pull-up required for open-collector output | — |
| RoHS 状态 | unknown | Compliant (NOPB suffix); non-compliant original |
| REACH Status | unknown | — |
| Comparator Type | — | Low Offset Voltage, Dual Differential |
| Number of Comparators | — | 2 (dual independent) |
| 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) |
| 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 |
| Lead-Free / NOPB Option | — | Yes (LM2903N/NOPB) |
| Manufacturer Source Bases | — | TI, STMicroelectronics, onsemi, NXP |