Overview
The LM339ANS, produced by Texas Instruments, is a quad differential voltage comparator that belongs to the next-generation B-version of the industry-standard LM339 and LM2901 comparator family. This device features four independent voltage comparators designed to operate from a single power supply over a wide range of voltages. It is known for its high precision, low power consumption, and compatibility with various logic systems such as TTL, MOS, and CMOS.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2 | - | 36 | V |
| Input Offset Voltage | 1.0 | 2.0 | 5.0 | mV |
| Input Bias Current | 25 | - | 250 | nA |
| Input Offset Current | 3.0 | - | 50 | nA |
| Supply Current | 0.8 | - | 2.5 | mA |
| Response Time | - | 1.3 | - | μs |
| Output Saturation Voltage | 250 | - | 400 | mV |
| Operating Temperature Range | 0 | - | 70 | °C |
| ESD Rating (HBM) | - | - | 2 kV | - |
Key Features
- High precision comparators with low input offset voltage (as low as 2 mV max)
- Wide supply voltage range (2 V to 36 V or ±1 V to ±18 V)
- Low supply current drain (0.8 mA typical)
- Low input bias current (25 nA typical)
- Low input offset current (3 nA typical)
- Common-mode input voltage range includes ground
- Differential input voltage range equal to the maximum-rated supply voltage
- Low output saturation voltage (250 mV at 4 mA)
- Output compatible with TTL, MOS, and CMOS logic systems
- Improved 2 kV ESD performance and input ruggedness through dedicated ESD clamps
- Faster response time of 1 μsec
Applications
- Industrial automation and control systems
- Automotive systems, including HEV/EV and power trains
- Medical devices requiring high precision and low power consumption
- Consumer electronics where low power and high accuracy are crucial
- Military and aerospace applications due to its wide temperature range and high reliability
Q & A
- What is the supply voltage range of the LM339ANS?
The LM339ANS operates over a supply voltage range of 2 V to 36 V or ±1 V to ±18 V.
- What is the typical supply current of the LM339ANS?
The typical supply current is 0.8 mA.
- What is the input offset voltage of the LM339ANS?
The input offset voltage is as low as 2 mV max.
- Is the LM339ANS compatible with TTL, MOS, and CMOS logic systems?
- What is the response time of the LM339ANS?
The response time is typically 1.3 μs for a 100 mV input step with 5 mV overdrive.
- What is the operating temperature range of the LM339ANS?
The operating temperature range is from 0°C to 70°C.
- Does the LM339ANS have ESD protection?
- Can the LM339ANS be used in automotive applications?
- Is the LM339ANS a drop-in replacement for older versions?
- What is the common-mode input voltage range of the LM339ANS?
The common-mode input voltage range includes ground and extends up to V+ - 1.5 V.
