LM393N vs LM2903N Comparison
Detailed side-by-side comparison of LM393N by Texas Instruments and LM2903N by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
LM2903N - Dual Voltage Comparator, Open-Collector, 8-DIP | TI/STMicro/onsemi
LM2903N ✓ ActiveSpecification Comparison
| Parameter | LM393N | LM2903N |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.18 | $0.27 |
| Comparator Type | Dual General-Purpose Comparator | Low Offset Voltage, Dual Differential |
| Number of Comparators | 2 (dual) | 2 (dual independent) |
| Output Type | 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) | — |
| Operating Temperature Range | 0 C to +70 C (LM393N) / -40 C to +85 C (LM2903N) | -40 C to +125 C |
| Package | 8-PDIP (DIP-8, through-hole) | 8-Pin PDIP (DIP-8, N suffix) |
| Mounting Type | Through-Hole | Through-Hole |
| RoHS Status | 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 |