Overview
The TLC2652AI-8DR is a high-precision chopper-stabilized operational amplifier produced by Texas Instruments. It utilizes the Advanced LinCMOS process, which, in conjunction with unique chopper-stabilization circuitry, achieves extremely high dc precision. This amplifier is designed to continuously null input offset voltage, reducing low-frequency noise and making it ideal for low-level signal processing applications such as strain gauges, thermocouples, and other transducer amplifiers.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | 1 µV | 3 µV | µV |
| Temperature Coefficient of Input Offset Voltage | 0.003 µV/°C | 0.03 µV/°C | µV/°C |
| Input Offset Current (IIO) | 2 pA | 100 pA | pA |
| Large-Signal Differential Voltage Amplification (AVD) | 135 dB | 150 dB | dB |
| Common-Mode Rejection Ratio (CMRR) | 120 dB | - | dB |
| Supply Voltage Rejection Ratio (kSVR) | 110 dB | - | dB |
| Operating Temperature Range | -40°C to 125°C | - | °C |
| Package Type | SOIC (D) 8-pin | - | - |
Key Features
- Extremely Low Offset Voltage: 1 µV Max
- Extremely Low Change on Offset Voltage With Temperature: 0.003 µV/°C Typ
- Low Input Offset Current: 500 pA Max at TA = -55°C to 125°C
- High Large-Signal Differential Voltage Amplification: 135 dB Min
- High Common-Mode Rejection Ratio: 120 dB Min
- High Supply Voltage Rejection Ratio: 110 dB Min
- Single-Supply Operation
- Common-Mode Input Voltage Range Includes the Negative Rail
- No Noise Degradation With External Capacitors Connected to VDD-
- Fast Overload Recovery Time with Optional Output Clamp Pin
- Internal ESD-Protection Circuits: Up to 2000 V as tested under MIL-STD-883C, Method 3015.2
Applications
The TLC2652AI-8DR is particularly suited for low-level signal processing applications, including:
- Strain gauges
- Thermocouples
- Other transducer amplifiers
- Single-supply or split-supply configurations
- Applications requiring high precision and low noise, such as medical devices and precision instrumentation
Q & A
- What is the typical input offset voltage of the TLC2652AI-8DR?
The typical input offset voltage is 1 µV.
- What is the temperature coefficient of the input offset voltage?
The temperature coefficient of the input offset voltage is 0.003 µV/°C.
- What is the maximum input offset current?
The maximum input offset current is 100 pA.
- What is the common-mode rejection ratio (CMRR) of the TLC2652AI-8DR?
The CMRR is 120 dB minimum.
- Can the TLC2652AI-8DR operate in single-supply configurations?
- What is the operating temperature range for the TLC2652AI-8DR?
The operating temperature range is -40°C to 125°C.
- Does the TLC2652AI-8DR have internal ESD protection?
- What package type is the TLC2652AI-8DR available in?
- Can external capacitors be connected to VDD- without noise degradation?
- Is the TLC2652AI-8DR suitable for high-precision applications?
