Overview
The TLC4502QD, produced by Texas Instruments, is a high-precision CMOS single supply rail-to-rail operational amplifier. It is part of the TLC4501 and TLC4502 series, known for their exceptional precision and advanced self-calibrating technology. These amplifiers are designed to offer low input offset voltage, minimal drift, and high performance characteristics, making them ideal for various precision applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Offset Voltage | 10 uV (typical), 40 uV (maximum) |
| Input Offset Voltage Drift | 1 uV/°C |
| Input Bias Current | 1 pA |
| Open Loop Gain | 120 dB |
| Gain Bandwidth Product | 4.7 MHz |
| Slew Rate | 2.5 V/us |
| Output Drive Capability | ±50 mA |
| Calibration Time | 300 ms |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 8-pin SOIC |
Key Features
- Self-calibrating circuitry that digitally trims the input offset voltage to less than 40 uV within the first 300 ms of operation.
- Low input offset voltage and minimal drift.
- Rail-to-rail output voltage swing.
- Stable driving of 1000 pF capacitive loads.
- High output drive capability.
- Characterized from -55°C to 125°C.
- Available in Q-Temp Automotive and HighRel Automotive Applications.
- Qualification to Automotive Standards.
Applications
- Data acquisition systems.
- Measurement equipment.
- Industrial control applications.
- Portable digital scales.
Q & A
- What is the typical input offset voltage of the TLC4502QD?
The typical input offset voltage is 10 uV, with a maximum of 40 uV.
- How does the self-calibrating feature work?
The self-calibrating circuitry digitally trims the input offset voltage to less than 40 uV within the first 300 ms of operation and stores the offset in an integrated successive approximation register (SAR).
- What is the gain bandwidth product of the TLC4502QD?
The gain bandwidth product is 4.7 MHz.
- What is the slew rate of the TLC4502QD?
The slew rate is 2.5 V/us.
- What is the output drive capability of the TLC4502QD?
The output drive capability is ±50 mA.
- What types of applications is the TLC4502QD suitable for?
The TLC4502QD is suitable for data acquisition systems, measurement equipment, industrial control applications, and portable digital scales.
- What is the operating temperature range of the TLC4502QD?
The operating temperature range is -40°C to 125°C.
- What package type is the TLC4502QD available in?
The TLC4502QD is available in an 8-pin SOIC package.
- Does the TLC4502QD meet automotive standards?
- How stable is the TLC4502QD when driving capacitive loads?
The TLC4502QD is stable when driving 1000 pF capacitive loads.
