LM393N vs LM2903N مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ LM393N بواسطة Texas Instruments و LM2903N بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
Texas Instruments
LM2903N - Dual Voltage Comparator, Open-Collector, 8-DIP | TI/STMicro/onsemi
LM2903N ✓ نشطمقارنة المواصفات
| المعامل | LM393N | LM2903N |
|---|---|---|
| العلامة التجارية | Texas Instruments | Texas Instruments |
| الفئة | Amplifier ICs | Amplifier ICs |
| حالة دورة الحياة | نشط | نشط |
| Comparator Type | Dual General-Purpose Comparator | Low Offset Voltage, Dual Differential |
| Number of Comparators | 2 (dual) | 2 (dual independent) |
| نوع الخرج | Open-Collector / Open-Drain (single-ended) | Open-Collector / Open-Drain |
| 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) | -40 C to +125 C |
| العلبة | 8-PDIP (DIP-8, through-hole) | 8-Pin PDIP (DIP-8, N suffix) |
| نوع التركيب | Through-Hole | Through-Hole |
| حالة RoHS | Non-RoHS (LM393N); RoHS on LM393N/NOPB variant | Compliant (NOPB suffix); non-compliant original |
| 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 |