Overview
The LM2901N/NOPB is a low offset, quad differential comparator produced by Texas Instruments. This component is part of the LM139 series and is known for its high precision and versatility in various analog and digital applications. It features four independent comparators, each with a low input offset voltage, making it suitable for a wide range of uses, including limit comparators, simple analog-to-digital converters, and pulse generators.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 36 | VDC (Single Supply), ±1 to ±18 VDC (Dual Supply) |
| Operating Temperature | -40 to 85 | °C |
| Input Offset Voltage | Up to 7 mV | mVDC |
| Input Bias Current | Up to 250 nA | nADC |
| Input Common-Mode Voltage Range | 0 V to V+ - 1.5 V | VDC |
| Response Time | 1300 ns | ns |
| Supply Current | Up to 2 mA | mADC |
| Package Type | PDIP (14 pins) | |
| Output Type | Open-Collector; Open-Drain | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
Key Features
- Low input offset voltage as low as 2 mV maximum for all four comparators.
- Wide operating voltage range: 2 to 36 VDC (single supply) and ±1 to ±18 VDC (dual supply).
- High input common-mode voltage range: 0 V to V+ - 1.5 V.
- Low supply current: up to 2 mA.
- Fast response time: 1300 ns.
- Open-collector and open-drain output types.
- RoHS and REACH compliant.
Applications
- Limit comparators.
- Simple analog-to-digital converters (ADCs).
- Pulse, squarewave, and time delay generators.
- One-shot multivibrators with input lockout.
- Wide range voltage-controlled oscillators (VCOs) and MOS clock timers.
- Multivibrators and high-voltage digital logic gates.
Q & A
- What is the LM2901N/NOPB used for?
The LM2901N/NOPB is used as a low offset, quad differential comparator in various analog and digital applications, including limit comparators, ADCs, and pulse generators. - What is the operating voltage range of the LM2901N/NOPB?
The operating voltage range is 2 to 36 VDC for single supply and ±1 to ±18 VDC for dual supply. - What is the typical input offset voltage of the LM2901N/NOPB?
The typical input offset voltage is up to 7 mV. - What is the response time of the LM2901N/NOPB?
The response time is approximately 1300 ns. - Is the LM2901N/NOPB RoHS and REACH compliant?
Yes, the LM2901N/NOPB is both RoHS and REACH compliant. - What is the package type of the LM2901N/NOPB?
The package type is PDIP with 14 pins. - What are the output types of the LM2901N/NOPB?
The output types are open-collector and open-drain. - What is the operating temperature range of the LM2901N/NOPB?
The operating temperature range is -40°C to 85°C. - What is the input common-mode voltage range of the LM2901N/NOPB?
The input common-mode voltage range is 0 V to V+ - 1.5 V. - What are some common applications of the LM2901N/NOPB?
Common applications include limit comparators, simple ADCs, pulse generators, one-shot multivibrators, VCOs, and high-voltage digital logic gates.
