Overview
The TLC4502QDRG4 is a high-precision CMOS single-supply rail-to-rail operational amplifier produced by Texas Instruments. It is part of the TLC4501 and TLC4502 family, known for their exceptional precision and performance. These amplifiers feature self-calibrating circuitry that digitally trims the input offset voltage to less than 40 uV within the first 300 ms of operation, eliminating the need for noisy and expensive chopper techniques or laser trimming. This makes them ideal for applications requiring high accuracy and stability.
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 |
| Bandwidth | 4.7 MHz |
| Slew Rate | 2.5 V/us |
| Output Drive Capability | ±50 mA |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | SOIC (D), 8 pins |
| Calibration Time | 300 ms |
Key Features
- Self-calibrating circuitry to trim input offset voltage to less than 40 uV
- Low input offset voltage drift of 1 uV/°C
- Low input bias current of 1 pA
- Rail-to-rail output voltage swing
- Stable driving of 1000 pF capacitive loads
- High output drive capability of ±50 mA
- Characterized from -55°C to 125°C
- Available in Q-Temp Automotive and HighRel Automotive Applications
Applications
The TLC4502QDRG4 is suitable for various applications that require high precision and stability, including:
- Data acquisition systems
- Measurement equipment
- Industrial control applications
- Portable digital scales
Q & A
- What is the typical input offset voltage of the TLC4502QDRG4?
The typical input offset voltage is 10 uV, with a maximum of 40 uV.
- What is the input offset voltage drift of the TLC4502QDRG4?
The input offset voltage drift is 1 uV/°C.
- What is the bandwidth of the TLC4502QDRG4?
The bandwidth is 4.7 MHz.
- What is the slew rate of the TLC4502QDRG4?
The slew rate is 2.5 V/us.
- What is the output drive capability of the TLC4502QDRG4?
The output drive capability is ±50 mA.
- What is the operating temperature range of the TLC4502QDRG4?
The operating temperature range is 0°C to 70°C.
- What package types are available for the TLC4502QDRG4?
The TLC4502QDRG4 is available in SOIC (D) with 8 pins.
- How long does the self-calibration process take for the TLC4502QDRG4?
The self-calibration process takes 300 ms.
- What are some common applications for the TLC4502QDRG4?
Common applications include data acquisition systems, measurement equipment, industrial control applications, and portable digital scales.
- Is the TLC4502QDRG4 suitable for automotive applications?
Yes, it is available in Q-Temp Automotive and HighRel Automotive Applications.
