Overview
The Texas Instruments TLC4502AIDR is a high-precision, dual operational amplifier designed with advanced LinCMOS technology. This device is part of the TLC4502 family, known for its exceptional precision and low power consumption, making it ideal for a wide range of applications. The TLC4502AIDR features self-calibrating circuitry that digitally trims the input offset voltage to less than 40 µV within the first 300 ms of operation, eliminating the need for noisy and expensive chopper techniques or laser trimming.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 10 µV (typ), 40 µV (max) | µV |
| Input Offset Voltage Drift | 1 µV/°C | µV/°C |
| Input Bias Current | 1 pA | pA |
| Open Loop Gain | 120 dB | dB |
| Gain Bandwidth Product | 4.7 MHz | MHz |
| Slew Rate | 2.5 V/µs | V/µs |
| Output Drive Capability | ±50 mA | mA |
| Supply Voltage Range | 2.7 V to 16 V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | SOIC (D) - 8 pins | |
| Quiescent Current per Channel | 775 µA | µA |
Key Features
- Self-calibrating circuitry that reduces input offset voltage to less than 40 µV within 300 ms of operation.
- Low input offset voltage drift of 1 µV/°C, ensuring stability over temperature variations.
- High precision with an input bias current of 1 pA.
- Rail-to-rail output voltage swing, providing enhanced dynamic range.
- Stable driving of 1000 pF capacitive loads.
- High slew rate of 2.5 V/µs and a gain bandwidth product of 4.7 MHz.
- High output drive capability of ±50 mA).
- Low power consumption with a quiescent current of 775 µA per channel).
- Integrated ESD protection circuits for reliability and longevity).
Applications
- Data acquisition systems
- Measurement equipment
- Industrial control applications
- Portable digital scales
- Instrumentation and sensor interfacing
- A/D converter buffering
- Battery-powered devices where power efficiency is critical
Q & A
- What is the typical input offset voltage of the TLC4502AIDR?
The typical input offset voltage is 10 µV, with a maximum of 40 µV.
- How does the self-calibrating feature work in the TLC4502AIDR?
The self-calibrating circuitry digitally trims the input offset voltage to less than 40 µV within the first 300 ms of operation and stores the offset in an integrated successive approximation register (SAR).
- What is the operating temperature range of the TLC4502AIDR?
The operating temperature range is -40°C to 125°C).
- What is the supply voltage range for the TLC4502AIDR?
The supply voltage range is 2.7 V to 16 V).
- What is the quiescent current per channel for the TLC4502AIDR?
The quiescent current per channel is 775 µA).
- What is the slew rate of the TLC4502AIDR?
The slew rate is 2.5 V/µs).
- What is the gain bandwidth product of the TLC4502AIDR?
The gain bandwidth product is 4.7 MHz).
- What kind of output drive capability does the TLC4502AIDR have?
The TLC4502AIDR has a high output drive capability of ±50 mA).
- Is the TLC4502AIDR suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption and high performance).
- What type of package does the TLC4502AIDR come in?
The TLC4502AIDR comes in an 8-pin SOIC (D) package).
