LM393N vs LM239J 对比
详细并排对比 LM393N 出自 Texas Instruments 和 LM239J 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。
规格对比
| 参数 | LM393N | LM239J |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Amplifier ICs | Amplifier ICs |
| 生命周期状态 | 有效 | 有效 |
| Comparator Type | Dual General-Purpose Comparator | General-purpose voltage comparator |
| Number of Comparators | 2 (dual) | 4 |
| 输出类型 | Open-Collector / Open-Drain (single-ended) | Open-collector |
| Input Offset Voltage (max) | 5 mV (LM393N); 2 mV (LM193/LM393A grade) | — |
| Input Bias Current (typ) | 25 nA | — |
| Supply Voltage Range (single supply) | 2 V to 36 V | — |
| Supply Voltage Range (dual supply) | ±1 V to ±18 V | — |
| Output Sink Current (max) | 16 mA | — |
| Propagation Delay (typ) | 1.3 us (300 mV overdrive) | — |
| Common-Mode Input Range | 0 V to VCC - 1.5 V (ground sensing) | — |
| Quiescent Current (typ) | 0.4 mA per comparator (0.8 mA total) | — |
| 工作温度范围 | 0 C to +70 C (LM393N) / -40 C to +85 C (LM2903N) | — |
| 封装 | 8-PDIP (DIP-8, through-hole) | CDIP-14 |
| 安装类型 | Through-Hole | Through-hole |
| RoHS 状态 | Non-RoHS (LM393N); RoHS on LM393N/NOPB variant | — |
| Response Time | — | 1.3 microseconds |
| Supply Voltage Range | — | -18 V to +18 V |
| Output Compatibility | — | CMOS, DTL, ECL, MOS, TTL |
| Offset Voltage | — | 2 mV maximum |
| 工作温度 | — | -25 C to +85 C |
| 引脚数 | — | 14 pins |
| Logic Output | — | Open collector |
| 电源电流 | — | [DATA_NEEDED: verified LM239J supply current] |
| Input Common-Mode Voltage | — | [DATA_NEEDED: verified LM239J input common-mode range] |
| Input Offset Voltage | — | [DATA_NEEDED: verified LM239J input offset voltage] |
| Output Saturation Voltage | — | [DATA_NEEDED: verified LM239J output saturation voltage] |
| RoHS | — | Compliant |