Overview
The LMP8602QMM/NOPB is a precision current sense amplifier manufactured by Texas Instruments. Designed for bidirectional current sensing applications, this device operates with a fixed gain of 50x, making it suitable for driving analog-to-digital converters (ADCs) to their full-scale range. It supports a wide input common-mode voltage range of -22V to +60V when powered by a 5V supply and -4V to +27V with a 3.3V supply. The LMP8602QMM/NOPB is ideal for industrial, automotive, and consumer electronics applications where accurate current monitoring is critical. Its compact VSSOP-8 package and robust performance make it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Gain | 50x | - | Fixed gain |
| Input Common-Mode Voltage Range | -22V to +60V (5V supply), -4V to +27V (3.3V supply) | V | Bidirectional |
| Supply Voltage | 3V to 5.5V | V | Single supply |
| Operating Temperature | -40°C to +125°C | °C | Extended range |
| Package | VSSOP-8 | - | Surface mount |
| Bandwidth | 60 kHz | Hz | Gain bandwidth product |
| Slew Rate | 0.83 V/µs | V/µs | - |
| Input Offset Voltage | 150 µV | µV | Max |
| Input Bias Current | 0.04 pA | pA | - |
| Output Current | 48 mA | mA | Max |
Key Features
- Fixed gain of 50x for precise current sensing.
- Wide input common-mode voltage range supports bidirectional applications.
- Operates with a single supply voltage of 3V to 5.5V.
- Compact VSSOP-8 package for space-constrained designs.
- Extended operating temperature range of -40°C to +125°C.
- Low input offset voltage and bias current for high accuracy.
Applications
The LMP8602QMM/NOPB is widely used in various industries for accurate current monitoring. In industrial automation, it is employed in motor control and power management systems. In automotive electronics, it is used for battery management and load monitoring. Additionally, it finds applications in consumer electronics for power supply monitoring and in telecommunications for signal conditioning. Its robust performance and compact design make it a versatile solution for precision current sensing needs.
Q & A
1. What is the gain of the LMP8602QMM/NOPB?
The LMP8602QMM/NOPB has a fixed gain of 50x.
2. What is the input common-mode voltage range?
It supports a range of -22V to +60V with a 5V supply and -4V to +27V with a 3.3V supply.
3. What is the operating temperature range?
The device operates from -40°C to +125°C.
4. What is the supply voltage range?
It operates with a single supply voltage of 3V to 5.5V.
5. What package does the LMP8602QMM/NOPB use?
It comes in a VSSOP-8 package.
6. Is the LMP8602QMM/NOPB suitable for bidirectional current sensing?
Yes, it is designed for bidirectional current sensing applications.
7. What is the bandwidth of the amplifier?
The gain bandwidth product is 60 kHz.
8. What is the maximum input offset voltage?
The maximum input offset voltage is 150 µV.
9. What is the input bias current?
The input bias current is 0.04 pA.
10. What are typical applications of the LMP8602QMM/NOPB?
Typical applications include industrial automation, automotive electronics, consumer electronics, and telecommunications.
