Overview
The LM393MX/NOPB is a dual precision voltage comparator produced by Texas Instruments. This component is part of the LM393-N series, designed to operate from a single power supply over a wide range of voltages, as well as from split power supplies. The LM393MX/NOPB is known for its high precision, low power consumption, and compatibility with various logic systems.
It features two independent comparators with low offset voltage specifications, making it suitable for a variety of applications including limit comparators, simple analog to digital converters, pulse and squarewave generators, and high voltage digital logic gates. The device is available in an 8-pin SOIC package and operates within a temperature range of 0°C to 70°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (D) 8-Pin |
| Operating Temperature Range | 0°C to 70°C |
| Supply Voltage Range | 2.0 V to 36 V (Single or Dual Supplies: ±1.0 V to ±18 V) |
| Supply Current Drain | 0.4 mA (Independent of Supply Voltage) |
| Input Biasing Current | 25 nA |
| 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 |
| Output Saturation Voltage | 250 mV at 4 mA |
| Output Compatibility | TTL, DTL, ECL, MOS, and CMOS logic systems |
Key Features
- Wide supply voltage range: 2.0 V to 36 V, including 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
- Low output saturation voltage: 250 mV at 4 mA
- Output voltage compatible with TTL, DTL, ECL, MOS, and CMOS logic systems
- Available in 8-Bump (12 mil) DSBGA package
- High precision comparators with reduced Vos drift over temperature
- Eliminates the need for dual supplies and allows sensing near ground
- Power drain suitable for battery operation
Applications
The LM393MX/NOPB is versatile and can be used in various applications, including:
- Limit comparators
- Simple analog to digital converters
- Pulse, squarewave, and time delay generators
- Wide range VCO (Voltage-Controlled Oscillators)
- MOS clock timers
- Multivibrators
- High voltage digital logic gates
It is designed to directly interface with TTL and CMOS logic systems, making it a valuable component in many electronic circuits.
Q & A
- What is the operating temperature range of the LM393MX/NOPB?
The operating temperature range is 0°C to 70°C.
- What is the supply voltage range for the LM393MX/NOPB?
The supply voltage range is 2.0 V to 36 V, including single or dual supplies ±1.0 V to ±18 V.
- How much current does the LM393MX/NOPB draw from the supply?
The supply current drain is very low at 0.4 mA, independent of the supply voltage.
- What is the input biasing current of the LM393MX/NOPB?
The input biasing current is 25 nA.
- What is the maximum offset voltage of the LM393MX/NOPB?
The maximum offset voltage is ±3 mV.
- Is the output of the LM393MX/NOPB compatible with various logic systems?
Yes, the output voltage is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- What are some common applications of the LM393MX/NOPB?
Common applications include limit comparators, simple analog to digital converters, pulse and squarewave generators, and high voltage digital logic gates.
- Can the LM393MX/NOPB operate from a single power supply?
Yes, it can operate from a single power supply over a wide range of voltages, as well as from split power supplies.
- What is the output saturation voltage of the LM393MX/NOPB?
The output saturation voltage is 250 mV at 4 mA.
- Is the LM393MX/NOPB suitable for battery operation?
Yes, the power drain is suitable for battery operation due to its low supply current.
- What package types are available for the LM393MX/NOPB?
The device is available in an 8-pin SOIC package and an 8-Bump (12 mil) DSBGA package.
