Overview
The TLC2264CDR is a quadruple operational amplifier from Texas Instruments, part of the TLC226x family. These devices are known for their rail-to-rail output performance, which enhances dynamic range in both single-supply and split-supply applications. The TLC2264CDR offers a balance between the low power consumption of the TLC225x series and the AC performance of the TLC227x series, making it suitable for a wide range of applications, including battery-powered devices and high-impedance source conditioning.
Key Specifications
| Parameter | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | TA = 25°C | 300 | 2500 | µV |
| Input Bias Current (IIO) | TA = 25°C | 1 pA | 550 pA | pA |
| Supply Current (IDD) | VO = 2.5 V, No Load | 400 µA | 500 µA | µA |
| Output Current (IO) | ±50 mA | mA | ||
| Slew Rate at Unity Gain (SR) | VO = 1.5 V to 3.5 V, RL = 50 kΩ | 0.35 V/µs | 0.55 V/µs | V/µs |
| Equivalent Input Noise Voltage (Vn) | f = 1 kHz | 12 nV/√Hz | nV/√Hz | |
| Common-Mode Rejection Ratio (CMRR) | VIC = 0 to 2.7 V, VO = 2.5 V | 70 dB | 83 dB | dB |
| Operating Free-Air Temperature (TA) | –40°C to 125°C | °C |
Key Features
- Rail-to-Rail Output Performance: The TLC2264CDR exhibits output swing that includes both supply rails, enhancing dynamic range in single-supply and split-supply applications.
- Low Noise: The device features low noise performance with an equivalent input noise voltage of 12 nV/√Hz at 1 kHz.
- Low Input Bias Current: With a typical input bias current of 1 pA, it is suitable for high-impedance source conditioning.
- Low Power Consumption: The TLC2264CDR has a maximum supply current of 500 µA, making it suitable for battery-powered applications.
- High Input Impedance: The device has high differential and common-mode input resistance, making it ideal for small-signal conditioning.
- Wide Operating Temperature Range: It operates over a temperature range of –40°C to 125°C, making it suitable for various environmental conditions.
Applications
- Battery-Powered Devices: The low power consumption makes it ideal for hand-held monitoring and remote-sensing applications.
- High-Impedance Source Conditioning: Suitable for conditioning signals from high-impedance sources such as piezoelectric transducers.
- Analog-to-Digital Converters (ADCs): The rail-to-rail output feature makes it a great choice for interfacing with ADCs.
- Precision Applications: Available in precision versions with lower input offset voltage, making it suitable for precision applications.
- Automotive Applications: Qualified to automotive standards and available in Q-Temp Automotive HighRel configurations.
Q & A
- What is the typical input offset voltage of the TLC2264CDR?
The typical input offset voltage is 300 µV at 25°C.
- What is the maximum supply current of the TLC2264CDR?
The maximum supply current is 500 µA.
- What is the slew rate at unity gain for the TLC2264CDR?
The slew rate at unity gain is typically 0.35 V/µs.
- What is the common-mode rejection ratio (CMRR) of the TLC2264CDR?
The CMRR is typically 70 dB.
- What is the operating temperature range of the TLC2264CDR?
The operating temperature range is –40°C to 125°C.
- Is the TLC2264CDR suitable for high-impedance source conditioning?
Yes, it is suitable due to its high input impedance and low input bias current.
- Can the TLC2264CDR be used in automotive applications?
Yes, it is qualified to automotive standards and available in Q-Temp Automotive HighRel configurations.
- What is the equivalent input noise voltage of the TLC2264CDR at 1 kHz?
The equivalent input noise voltage is typically 12 nV/√Hz at 1 kHz.
- Is the TLC2264CDR available in different packages?
Yes, it is available in various packages including D, N, PW, J, and W packages.
- What are some common applications of the TLC2264CDR?
Common applications include battery-powered devices, high-impedance source conditioning, ADC interfacing, precision applications, and automotive applications.
