Overview
The TLV2442AID is a dual precision operational amplifier from Texas Instruments, part of the Advanced LinCMOS™ family. This device is known for its rail-to-rail output and wide-input-voltage range, making it suitable for a variety of applications requiring low-voltage operation and high precision. The TLV2442AID is optimized for low noise, low input offset voltage, and low power dissipation, making it ideal for small-signal conditioning and high-impedance source applications.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Input Offset Voltage (VIO) | 950 µV | 300 µV | 1500 µV |
| Input Bias Current (IIB) | 1 pA | 0.5 pA | 150 pA |
| Common-Mode Input Voltage Range (VICR) | 0 V to 4.25 V | 0 V | 4.25 V |
| High-Level Output Voltage (VOH) | 4.97 V (IOH = -100 µA) | 4.35 V (IOH = -5 mA) | 4.97 V |
| Low-Level Output Voltage (VOL) | 0.01 V (IOL = 100 µA) | 0.8 V (IOL = 5 mA) | 1.25 V |
| Slew Rate (SR) | 0.75 V/µs | 0.5 V/µs | 1.4 V/µs |
| Supply Current (IDD) | 750 µA | 725 µA | 1100 µA |
| Operating Temperature Range | -40°C to 85°C | -40°C | 85°C |
Key Features
- Rail-to-rail output performance for increased dynamic range in single- or split-supply applications.
- Extended common-mode input voltage range (0 V to 4.25 V at 5-V single supply) without phase inversion.
- Low noise: 16 nV/√Hz at f = 1 kHz.
- Low input offset voltage: 950 µV max at TA = 25°C.
- Low input bias current: 1 pA typical.
- High output drive capability: can drive 600-Ω loads.
- High gain-bandwidth product: 1.8 MHz typical.
- Low supply current: 750 µA per channel typical.
Applications
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers.
- Hand-held monitoring and remote-sensing applications due to low power consumption and micropower dissipation levels.
- Telecommunications applications requiring high output drive.
- Interfacing with analog-to-digital converters (ADCs) due to rail-to-rail output feature.
- Battery-powered equipment and high-density applications.
Q & A
- What is the input offset voltage of the TLV2442AID? The input offset voltage of the TLV2442AID is 950 µV maximum at TA = 25°C.
- What is the common-mode input voltage range of the TLV2442AID? The common-mode input voltage range is 0 V to 4.25 V at a 5-V single supply.
- Does the TLV2442AID exhibit phase inversion when the common-mode input is driven to the supply rails? No, the TLV2442AID does not phase invert when the common-mode input is driven to the supply rails.
- What is the slew rate of the TLV2442AID? The slew rate is 0.75 V/µs typical at unity gain.
- What is the supply current of the TLV2442AID? The supply current is 750 µA per channel typical.
- What are the operating temperature ranges for the TLV2442AID? The operating temperature range is -40°C to 85°C.
- Can the TLV2442AID drive high-impedance loads? Yes, the TLV2442AID can drive 600-Ω loads, making it suitable for telecommunications applications.
- Is the TLV2442AID suitable for battery-powered devices? Yes, due to its low power consumption and micropower dissipation levels, it is ideal for battery-powered equipment.
- What is the gain-bandwidth product of the TLV2442AID? The gain-bandwidth product is 1.8 MHz typical.
- What are some common applications of the TLV2442AID? Common applications include small-signal conditioning, hand-held monitoring, remote-sensing, telecommunications, and interfacing with ADCs.
