Overview
The LM393APWR, produced by Texas Instruments, is a precision dual differential comparator integrated circuit. This device is part of the LM393 series, known for its versatility and wide range of applications. The LM393APWR is designed to operate from a single supply voltage or dual supplies, making it highly adaptable in various electronic systems. It features two independent comparators, each capable of operating over a wide voltage range, and is particularly noted for its low power consumption and high accuracy.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage Range | 2 V to 36 V | V | Single supply |
| Split-Supply Range | ±1 V to ±18 V | V | Dual supplies |
| Input Offset Voltage | ±1 mV (typ.) | mV | VCC = 5 V to 30 V, VO = 1.4 V |
| Input Bias Current | 20 nA (typ.) | nA | VO = 1.4 V |
| Input Offset Current | ±3 nA (typ.) | nA | VO = 1.4 V |
| Supply Current | 0.45 mA (typ.) | mA | Per comparator at 5 V |
| Response Time | 1.3 µs (typ.) | µs | |
| Output Saturation Voltage | 80 mV (typ.) | mV | I_sink = 4 mA |
| Common-Mode Input Voltage Range | 0 to VCC - 2 V | V | |
| Differential Input Voltage Range | Equal to maximum-rated supply voltage: ±38 V | V | |
| Package | 8-TSSOP |
Key Features
- Wide single-supply voltage range or dual supplies: 2 V to 36 V or ±1 V to ±18 V
- Very low supply current (0.45 mA) independent of supply voltage
- Low input bias current: 20 nA typ.
- Low input offset current: ±3 nA typ.
- Low input offset voltage: ±1 mV typ.
- Input common-mode voltage range includes ground
- Low output saturation voltage: 80 mV typ. (I_sink = 4 mA)
- Differential input voltage range equal to the supply voltage
- TTL, DTL, ECL, MOS, CMOS compatible outputs
- Available in 8-TSSOP package
Applications
- Vacuum robots
- Single-phase UPS
- Server power supplies
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation and control
- Motor drives
- Infotainment and cluster systems
Q & A
- What is the supply voltage range of the LM393APWR?
The LM393APWR can operate from a single supply voltage of 2 V to 36 V or from dual supplies of ±1 V to ±18 V.
- What is the typical supply current of the LM393APWR?
The typical supply current is 0.45 mA per comparator at 5 V.
- What is the input offset voltage of the LM393APWR?
The input offset voltage is typically ±1 mV.
- What is the response time of the LM393APWR?
The response time is typically 1.3 µs.
- Is the LM393APWR compatible with TTL, MOS, and CMOS outputs?
- What is the common-mode input voltage range of the LM393APWR?
The common-mode input voltage range includes ground and extends up to VCC - 2 V.
- What package types are available for the LM393APWR?
The LM393APWR is available in an 8-TSSOP package.
- What are some typical applications of the LM393APWR?
- Does the LM393APWR have ESD protection?
- What is the output saturation voltage of the LM393APWR?
