Overview
The LM2902Q4T from STMicroelectronics is a low-power quad operational amplifier designed for use in automotive and industrial control systems. This device consists of four independent, high-gain operational amplifiers that employ internal frequency compensation. It is available in a 16-pin QFN (3x3 mm) package, making it suitable for space-constrained applications while maintaining high performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3 to 30 | V |
| Differential Input Voltage (Vid) | 32 | V |
| Input Voltage Range | -0.3 to 32 | V |
| Maximum Junction Temperature (Tj) | 150 | °C |
| Storage Temperature Range (Tstg) | -65 to 150 | °C |
| Input Offset Voltage (Vio) at 25°C | 2 to 7 | mV |
| Input Offset Voltage Drift (ΔVio/ΔT) | 7 to 30 | µV/°C |
| Common-Mode Rejection Ratio (CMRR) at 25°C | 70 to 80 | dB |
| Output Short-Circuit Current | 20 to 70 | mA |
| Slew Rate | 0.4 | V/µs |
| Gain Bandwidth Product (GBP) | 1.3 | MHz |
Key Features
- Four independent, high-gain operational amplifiers with internal frequency compensation.
- Low power consumption, suitable for battery-powered and energy-efficient applications.
- Wide supply voltage range: 3 to 30 V.
- High common-mode rejection ratio (CMRR): 70 to 80 dB at 25°C.
- Low input offset voltage: 2 to 7 mV at 25°C.
- High slew rate: 0.4 V/µs.
- Compact 16-pin QFN (3x3 mm) package, ideal for space-constrained designs.
- AEC Q100 qualified for automotive applications.
Applications
- Automotive control systems.
- Industrial control systems.
- DC and AC signal amplification.
- Active filters and integrators.
- Instrumentation amplifiers.
- Peak detectors and voltage followers.
- General-purpose analog circuitry in various industries.
Q & A
- What is the LM2902Q4T used for?
The LM2902Q4T is used in automotive and industrial control systems as a low-power quad operational amplifier.
- What is the supply voltage range of the LM2902Q4T?
The supply voltage range is from 3 to 30 V.
- What is the typical input offset voltage of the LM2902Q4T?
The typical input offset voltage is 2 to 7 mV at 25°C.
- What is the common-mode rejection ratio (CMRR) of the LM2902Q4T?
The CMRR is 70 to 80 dB at 25°C.
- What is the slew rate of the LM2902Q4T?
The slew rate is 0.4 V/µs.
- What package types are available for the LM2902Q4T?
The device is available in a 16-pin QFN (3x3 mm) package.
- Is the LM2902Q4T suitable for automotive applications?
Yes, it is AEC Q100 qualified for automotive applications.
- What are some typical applications of the LM2902Q4T?
Typical applications include DC and AC signal amplification, active filters, instrumentation amplifiers, and general-purpose analog circuitry.
- What is the maximum junction temperature for the LM2902Q4T?
The maximum junction temperature is 150°C.
- What is the storage temperature range for the LM2902Q4T?
The storage temperature range is -65 to 150°C.
