Overview
The LM339ANSR, produced by Texas Instruments, is a quad differential voltage comparator integrated circuit. It consists of four independent precision voltage comparators designed to operate from a single power supply over a wide range of voltages. This component is part of the LMx39-N series, known for its high precision and versatility in various electronic applications.
The LM339ANSR is capable of operating from a single supply voltage ranging from 2 V to 36 V, or from dual supplies ranging from ±1 V to ±18 V. This flexibility makes it suitable for a variety of applications, including industrial, automotive, and power supervision systems.
Key Specifications
| Parameter | Min | Typ | Max |
|---|---|---|---|
| Input Offset Voltage | 1.0 mV | 2.0 mV | 5.0 mV |
| Input Bias Current | 25 nA | 100 nA | 250 nA |
| Input Offset Current | 3.0 nA | 25 nA | 50 nA |
| Supply Current | 0.8 mA | 1.5 mA | 2.5 mA |
| Output Saturation Voltage | 250 mV | - | 400 mV |
| Operating Temperature Range | 0°C | - | 70°C |
| Package | - | - | 14-DIP (0.300, 7.62mm) |
Key Features
- Wide Supply Voltage Range: Single supply: 2 V to 36 V, or dual supplies: ±1 V to ±18 V.
- Low Supply Current Drain: Independent of supply voltage, typically 0.8 mA.
- Low Input Biasing Current: Typically 25 nA.
- Low Input Offset Current: Typically ±5 nA.
- Low Output Saturation Voltage: 250 mV at 4 mA.
- Output Compatibility: Compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- High Precision Comparators: Reduced VOS drift over temperature.
- ESD Rating: 2 kV (HBM) for improved ruggedness.
Applications
- Industrial: General industrial control and monitoring systems.
- Automotive: Infotainment and clusters, body control modules.
- Power Supervision: Voltage monitoring and protection circuits).
- Oscillators and Peak Detectors: Used in various signal processing and detection applications).
- Logic Voltage Translation: Interfacing between different logic voltage levels).
Q & A
- What is the operating temperature range of the LM339ANSR?
The operating temperature range is from 0°C to 70°C).
- What is the typical supply current drain of the LM339ANSR?
The typical supply current drain is 0.8 mA, independent of the supply voltage).
- What is the input bias current of the LM339ANSR?
The input bias current is typically 25 nA).
- What is the output saturation voltage of the LM339ANSR?
The output saturation voltage is 250 mV at 4 mA).
- Is the LM339ANSR compatible with different logic systems?
Yes, it is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems).
- What is the ESD rating of the LM339ANSR?
The ESD rating is 2 kV (HBM)).
- Can the LM339ANSR operate from dual power supplies?
Yes, it can operate from dual supplies ranging from ±1 V to ±18 V).
- What is the package type and pin count of the LM339ANSR?
The package type is 14-DIP (0.300, 7.62mm) with 14 pins).
- What are some common applications of the LM339ANSR?
Common applications include industrial control, automotive systems, power supervision, oscillators, peak detectors, and logic voltage translation).
- Does the LM339ANSR have high precision and low drift over temperature?
Yes, it features high precision comparators with reduced VOS drift over temperature).
