LM239J vs LM393N 对比
详细并排对比 LM239J 出自 Texas Instruments 和 LM393N 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 | LM239J | LM393N |
|---|---|---|
| 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） | $0.00 | $0.18 |
| Comparator Type | General-purpose voltage comparator | Dual General-Purpose Comparator |
| Number of Comparators | 4 | 2 (dual) |
| Response Time | 1.3 microseconds | — |
| Supply Voltage Range | -18 V to +18 V | — |
| 输出类型 | Open-collector | Open-Collector / Open-Drain (single-ended) |
| Output Compatibility | CMOS, DTL, ECL, MOS, TTL | — |
| Offset Voltage | 2 mV maximum | — |
| 工作温度 | -25 C to +85 C | — |
| 封装 | CDIP-14 | 8-PDIP (DIP-8, through-hole) |
| 引脚数 | 14 pins | — |
| 安装类型 | Through-hole | Through-Hole |
| 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 | — |
| 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) |
| RoHS 状态 | — | Non-RoHS (LM393N); RoHS on LM393N/NOPB variant |