Overview
The TLC2252CPW is a dual operational amplifier from Texas Instruments, part of the TLC2252 series. It is known for its Advanced LinCMOS technology, which provides rail-to-rail output performance and very low power consumption. This device is suitable for a wide range of applications, including those requiring high density and low power, such as battery-powered equipment. The TLC2252CPW is an upgrade to earlier models like the TLC27L2/L4 and TS27L2/L4, offering improved output dynamic range, lower noise voltage, and lower input offset voltage.
Key Specifications
| Parameter | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | TA = 25°C | 200 | 1500 | µV |
| Input Bias Current (IIB) | TA = 25°C | 1 | 100 | pA |
| Supply Current (IDD) | No load, TA = 25°C | 70 | 125 | µA |
| Common-Mode Input Voltage Range (VICR) | RS = 50 Ω, TA = 25°C | -5 to 4 | -5.3 to 4.2 | V |
| Slew Rate at Unity Gain (SR) | VO = 1.5 V to 3.5 V, RL = 100 kΩ, CL = 100 pF | 0.07 | 0.12 | V/µs |
| Equivalent Input Noise Voltage (Vn) | f = 1 kHz, TA = 25°C | 19 | - | nV/√Hz |
| Common Mode Rejection Ratio (CMRR) | VIC = 0 to 2.7 V, VO = 2.5 V, TA = 25°C | 70 | 83 | dB |
Key Features
- Rail-to-Rail Output Performance: The TLC2252CPW offers output swing that includes both supply rails, making it versatile for various applications.
- Low Noise: With an equivalent input noise voltage of 19 nV/√Hz at f = 1 kHz, this amplifier is suitable for noise-sensitive applications.
- Low Input Bias Current: A typical input bias current of 1 pA reduces the impact on the input signal.
- Very Low Power Consumption: Each channel consumes only 35 µA of power, making it ideal for battery-powered devices.
- Wide Common-Mode Input Voltage Range: The common-mode input voltage range includes the negative rail, enhancing its usability in different configurations.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of up to 83 dB ensures good rejection of common-mode signals.
- Automotive and High-Reliability Options: Available in configurations qualified to automotive standards, making it suitable for high-reliability applications.
Applications
- Battery-Powered Equipment: The low power consumption makes it ideal for high-density, battery-powered devices.
- Automotive Systems: Qualified to automotive standards, it is suitable for use in automotive electronics.
- Medical Devices: The low noise and high CMRR make it a good choice for medical equipment where signal integrity is crucial.
- Industrial Control Systems: Its robust specifications and wide common-mode input voltage range make it suitable for various industrial control applications.
- Aerospace and Defense: The high reliability and compliance with stringent standards make it a viable option for aerospace and defense applications.
Q & A
- What is the typical input offset voltage of the TLC2252CPW?
The typical input offset voltage is 200 µV at TA = 25°C.
- What is the supply current of the TLC2252CPW?
The supply current is typically 70 µA with no load at TA = 25°C.
- What is the common-mode input voltage range of the TLC2252CPW?
The common-mode input voltage range is from -5 V to 4 V with RS = 50 Ω at TA = 25°C.
- What is the slew rate at unity gain for the TLC2252CPW?
The slew rate at unity gain is typically 0.07 V/µs with VO = 1.5 V to 3.5 V, RL = 100 kΩ, and CL = 100 pF.
- What is the equivalent input noise voltage of the TLC2252CPW?
The equivalent input noise voltage is 19 nV/√Hz at f = 1 kHz.
- Is the TLC2252CPW suitable for automotive applications?
Yes, it is available in configurations qualified to automotive standards.
- What is the typical input bias current of the TLC2252CPW?
The typical input bias current is 1 pA at TA = 25°C.
- What is the common-mode rejection ratio (CMRR) of the TLC2252CPW?
The CMRR is up to 83 dB with VIC = 0 to 2.7 V and VO = 2.5 V at TA = 25°C.
- Can the TLC2252CPW be used in single-supply and split-supply configurations?
Yes, it is fully specified for both single-supply and split-supply operation.
- What are the package options for the TLC2252CPW?
The TLC2252CPW is available in the TSSOP (PW) package.
