LM239N vs LM393N Comparison
Detailed side-by-side comparison of LM239N by Texas Instruments and LM393N 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
LM239N - Quad Open-Collector Comparator, 14-DIP | Texas Instruments
LM239N ✓ Active
Specification Comparison
| Parameter | LM239N | LM393N |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.49 | $0.18 |
| Comparator Type | Quad differential voltage comparator | Dual General-Purpose Comparator |
| Number of Channels | 4 independent channels | — |
| Output Type | 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 | — |
| Operating Temperature | [DATA_NEEDED: LM239N operating temperature range] | — |
| Package | 14-pin PDIP | 8-PDIP (DIP-8, through-hole) |
| Mounting Type | Through-hole | Through-Hole |
| RoHS Status | [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) |
| Operating Temperature Range | — | 0 C to +70 C (LM393N) / -40 C to +85 C (LM2903N) |