LM239N vs LM393N 对比
详细并排对比 LM239N 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 | LM239N | 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） | $0.49 | $0.18 |
| Comparator Type | Quad differential voltage comparator | Dual General-Purpose Comparator |
| Number of Channels | 4 independent channels | — |
| 输出类型 | Open-collector | Open-Collector / Open-Drain (single-ended) |
| Maximum Offset Voltage | 2 mV maximum | — |
| Input Bias Current | 25 nA typical | — |
| Input Offset Current | [DATA_NEEDED: LM239N input offset current] | — |
| Supply Voltage Range | Wide range; related LM139/139A family specifies 2 V to 36 V DC | — |
| Single-Supply Operation | Supported | — |
| Split-Supply Operation | Supported | — |
| Low-Level Sensing | Designed for sensing near ground | — |
| Logic Compatibility | TTL, DTL, ECL, MOS, and CMOS | — |
| Typical Application | Level detection, low-level sensing, and memory applications | — |
| Power Drain | Suitable for battery operation | — |
| 工作温度 | [DATA_NEEDED: LM239N operating temperature range] | — |
| 封装 | 14-pin PDIP | 8-PDIP (DIP-8, through-hole) |
| 安装类型 | Through-hole | Through-Hole |
| RoHS 状态 | [DATA_NEEDED: LM239N RoHS status] | Non-RoHS (LM393N); RoHS on LM393N/NOPB variant |
| REACH Status | [DATA_NEEDED: LM239N REACH status] | — |
| Automotive Qualification | [DATA_NEEDED: LM239N AEC-Q100 qualification] | — |
| Number of Comparators | — | 2 (dual) |
| 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) |