LM393N vs LM239N مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ LM393N بواسطة Texas Instruments و LM239N بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | LM393N | LM239N |
|---|---|---|
| العلامة التجارية | Texas Instruments | Texas Instruments |
| الفئة | Amplifier ICs | Amplifier ICs |
| حالة دورة الحياة | نشط | نشط |
| Comparator Type | Dual General-Purpose Comparator | Quad differential voltage comparator |
| Number of Comparators | 2 (dual) | — |
| نوع الخرج | 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) | — |
| نطاق درجة حرارة التشغيل | 0 C to +70 C (LM393N) / -40 C to +85 C (LM2903N) | — |
| العلبة | 8-PDIP (DIP-8, through-hole) | 14-pin PDIP |
| نوع التركيب | Through-Hole | Through-hole |
| حالة RoHS | Non-RoHS (LM393N); RoHS on LM393N/NOPB variant | [DATA_NEEDED: LM239N RoHS status] |
| Number of Channels | — | 4 independent channels |
| 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 |
| درجة حرارة التشغيل | — | [DATA_NEEDED: LM239N operating temperature range] |
| REACH Status | — | [DATA_NEEDED: LM239N REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: LM239N AEC-Q100 qualification] |