Overview
The LMP8601QMAX/NOPB is a precision current-sense amplifier manufactured by Texas Instruments. It is part of the LMP860x-Q1 family, which is specifically designed for automotive applications and is compliant with the AEC-Q100 standard. This device is ideal for unidirectional and bidirectional current sensing applications, offering high precision and robust performance in various operating conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC-8 |
| Pins | 8 |
| Operating Temperature Range (°C) | -40 to 125 |
| Gain | 20x |
| Input Offset Voltage | 1 mV Maximum |
| CMRR (Common Mode Rejection Ratio) | 90 dB Minimum |
| CMVR (Common Mode Voltage Range) at VS = 3.3 V | -4 V to 27 V |
| CMVR at VS = 5 V | -22 V to 60 V |
| TCVOS (Temperature Coefficient of Offset Voltage) | 10 µV/°C Maximum |
Key Features
- Precise gain of 20x, achieved in two separate stages: a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x.
- High common mode voltage range: -22 V to +60 V with a single 5-V supply, or -4 V to +27 V with a 3.3-V supply.
- Single-supply bidirectional operation.
- Low offset voltage and thermal offset drift.
- High CMRR (Common Mode Rejection Ratio) of 90 dB minimum.
- Integrated third-order Butterworth low-pass filter with a typical bandwidth of 60 kHz.
- AEC-Q100 qualified for automotive applications.
- ESD protection: HBM ESD Classification Level 2, CDM ESD Classification Level C6, and MM ESD Classification Level M2.
Applications
The LMP8601QMAX/NOPB is suitable for a variety of applications, including:
- Automotive current sensing: Due to its AEC-Q100 qualification, it is ideal for use in automotive systems.
- Industrial current monitoring: It can be used in industrial settings to monitor current in various systems.
- Power management: The device is useful in power management systems where precise current sensing is required.
- Motor control: It can be applied in motor control systems to monitor and control current flow.
Q & A
- What is the primary function of the LMP8601QMAX/NOPB?
The primary function is to act as a precision current-sense amplifier for unidirectional and bidirectional current sensing applications. - What is the gain of the LMP8601QMAX/NOPB?
The gain is 20x, achieved through a two-stage amplifier configuration. - What is the operating temperature range of the LMP8601QMAX/NOPB?
The operating temperature range is -40°C to 125°C. - Is the LMP8601QMAX/NOPB suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the common mode voltage range of the LMP8601QMAX/NOPB?
The common mode voltage range is -22 V to +60 V with a single 5-V supply, or -4 V to +27 V with a 3.3-V supply. - Does the LMP8601QMAX/NOPB have built-in ESD protection?
Yes, it has HBM ESD Classification Level 2, CDM ESD Classification Level C6, and MM ESD Classification Level M2. - What type of filter is integrated into the LMP8601QMAX/NOPB?
It has a third-order Butterworth low-pass filter with a typical bandwidth of 60 kHz. - What package type is the LMP8601QMAX/NOPB available in?
It is available in an SOIC-8 package. - What is the input offset voltage of the LMP8601QMAX/NOPB?
The input offset voltage is 1 mV maximum. - What is the CMRR of the LMP8601QMAX/NOPB?
The CMRR is 90 dB minimum.
