Overview
The LM393TLX/NOPB is a dual precision voltage comparator integrated circuit 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 LM393TLX/NOPB is known for its high precision, low offset voltage, and low power consumption, making it suitable for various applications in analog and digital circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.0 V to 36 V | V |
| Single or Dual Supplies | ±1.0 V to ±18 V | V |
| Supply Current Drain | 0.4 mA (typical) | mA |
| Input Biasing Current | 25 nA (typical) | nA |
| Input Offset Current | ±5 nA (typical) | nA |
| Maximum Offset Voltage | ±3 mV (typical) | mV |
| Input Common-Mode Voltage Range | 0 to V+ - 1.5 V | V |
| Differential Input Voltage Range | Equal to the Power Supply Voltage | V |
| Output Saturation Voltage | 250 mV at 4 mA | mV |
| Operating Temperature Range | 0°C to 70°C | °C |
| Package Type | 8-Bump DSBGA (12 mil) |
Key Features
- High precision comparators with low offset voltage (as low as 2.0 mV max for two comparators)
- 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) and low input offset current (±5 nA)
- 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 the 8-Bump (12 mil) DSBGA package
- Eliminates the need for dual supplies and allows sensing near ground
Applications
- Limit comparators
- Simple analog to digital converters
- Pulse, squarewave, and time delay generators
- Wide range voltage-controlled oscillators (VCOs)
- MOS clock timers
- Multivibrators
- High voltage digital logic gates
- Direct interface with TTL and CMOS logic systems
- Battery-operated devices due to low power drain
Q & A
- What is the supply voltage range of the LM393TLX/NOPB?
The supply voltage range is from 2.0 V to 36 V, and it can also operate with single or dual supplies from ±1.0 V to ±18 V.
- What is the typical supply current drain of the LM393TLX/NOPB?
The typical supply current drain is 0.4 mA, which is independent of the supply voltage.
- What is the input biasing current of the LM393TLX/NOPB?
The input biasing current is typically 25 nA.
- What is the maximum offset voltage of the LM393TLX/NOPB?
The maximum offset voltage is typically ±3 mV.
- What is the operating temperature range of the LM393TLX/NOPB?
The operating temperature range is from 0°C to 70°C.
- In what package type is the LM393TLX/NOPB available?
The LM393TLX/NOPB is available in the 8-Bump (12 mil) DSBGA package.
- What are some common applications of the LM393TLX/NOPB?
Common applications include limit comparators, simple analog to digital converters, pulse and squarewave generators, VCOs, MOS clock timers, multivibrators, and high voltage digital logic gates.
- Is the LM393TLX/NOPB compatible with various logic systems?
Yes, the output voltage is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- Does the LM393TLX/NOPB require dual power supplies?
No, it eliminates the need for dual supplies and allows sensing near ground.
- Is the LM393TLX/NOPB suitable for battery-operated devices?
Yes, due to its low power drain, it is suitable for battery-operated devices.
