Overview
The LM2903ITLX/NOPB is a low-power, low-offset voltage dual comparator from Texas Instruments. This component is part of the LMx93 series, known for its wide supply voltage range and low power consumption. It is designed to operate with single or dual supplies, making it versatile for various applications. The LM2903ITLX/NOPB is particularly useful in systems where low power drain and high accuracy are crucial.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage Range | 2.0 V | 36 V | ||
| Single or Dual Supplies | ±1.0 V | ±18 V | ||
| Supply Current | V+= 5 V, RL=∞ | 0.4 mA | 1 mA | 1.0 mA |
| Input Offset Voltage | V+= 5 V, TA = 25°C | 1.0 mV | 5.0 mV | 7.0 mV |
| Input Bias Current | VCM = 0 V | 25 nA | 100 nA | 250 nA |
| Input Offset Current | VCM = 0 V | 3.0 nA | 25 nA | 50 nA |
| Input Common Mode Voltage Range | V+= 30 V | 0 V | V+−1.5 V | |
| Response Time | VIN=TTL Logic Swing, VREF=1.4 V, VRL=5V, RL=5.1 kΩ | 300 ns | 1.3 μs | |
| Output Sink Current | VIN(−)=1V, VIN(+)=0, VO≈1.5 V | 6.0 mA | 16 mA | |
| Saturation Voltage | VIN(−)=1V, VIN(+)=0, ISINK≤4 mA | 250 mV | 400 mV | |
| Output Leakage Current | VIN(−)=0, VIN(+)=1V, VO=5 V | 0.1 nA |
Key Features
- Wide supply voltage range: 2.0 V to 36 V, single or dual supplies ±1.0 V to ±18 V.
- Very low supply current drain: 0.4 mA, independent of supply voltage.
- Low input biasing current: 25 nA.
- Low input offset current: ±5 nA.
- Maximum offset voltage: ±3 mV.
- Input common-mode voltage range includes ground.
- Differential input voltage range equal to the power supply voltage.
- Direct interface with TTL and CMOS logic.
- Available in various packages including SOIC, DSBGA, and others.
Applications
- Limit comparators.
- Simple analog to digital converters.
- Pulse, squarewave, and time delay generators.
- Wide range voltage-controlled oscillators (VCOs).
- MOS clock timers and multivibrators.
- High voltage digital logic gates.
Q & A
- What is the supply voltage range of the LM2903ITLX/NOPB?
The supply voltage range is 2.0 V to 36 V, with single or dual supplies ranging from ±1.0 V to ±18 V.
- How much current does the LM2903ITLX/NOPB typically consume?
The supply current is typically 0.4 mA when V+= 5 V and up to 1.0 mA when V+= 36 V.
- What is the input offset voltage of the LM2903ITLX/NOPB?
The input offset voltage is typically 5.0 mV, with a maximum of 7.0 mV.
- Can the LM2903ITLX/NOPB interface directly with TTL and CMOS logic?
- What are some common applications of the LM2903ITLX/NOPB?
- What is the response time of the LM2903ITLX/NOPB?
- What is the output sink current of the LM2903ITLX/NOPB?
- What is the saturation voltage of the LM2903ITLX/NOPB?
- What are the available packages for the LM2903ITLX/NOPB?
- Is the LM2903ITLX/NOPB suitable for high-temperature applications?
