LM2903N vs LM393N مقایسه
مقایسه دقیق کنار به کنار LM2903N توسط Texas Instruments و LM393N توسط Texas Instruments. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
Texas Instruments
LM2903N - Dual Voltage Comparator, Open-Collector, 8-DIP | TI/STMicro/onsemi
LM2903N ✓ فعالمقایسه مشخصات
| پارامتر | LM2903N | LM393N |
|---|---|---|
| برند | Texas Instruments | Texas Instruments |
| دسته‌بندی | Amplifier ICs | Amplifier ICs |
| وضعیت چرخه عمر | فعال | فعال |
| Comparator Type | Low Offset Voltage, Dual Differential | Dual General-Purpose Comparator |
| Number of Comparators | 2 (dual independent) | 2 (dual) |
| نوع خروجی | Open-Collector / Open-Drain | Open-Collector / Open-Drain (single-ended) |
| 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 | — |
| محدوده دمای کاری | -40 C to +125 C | 0 C to +70 C (LM393N) / -40 C to +85 C (LM2903N) |
| بسته‌بندی | 8-Pin PDIP (DIP-8, N suffix) | 8-PDIP (DIP-8, through-hole) |
| نوع نصب | Through-Hole | Through-Hole |
| وضعیت RoHS | Compliant (NOPB suffix); non-compliant original | Non-RoHS (LM393N); RoHS on LM393N/NOPB variant |
| Lead-Free / NOPB Option | Yes (LM2903N/NOPB) | — |
| Manufacturer Source Bases | TI, STMicroelectronics, onsemi, NXP | — |
| 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) |