Overview
The TLV2442CDR is a low-voltage operational amplifier from Texas Instruments, part of the TLV244x family. These devices are known for their advanced LinCMOS technology, offering rail-to-rail output and an extended common-mode input voltage range. This makes them highly suitable for a wide range of applications, particularly those requiring low-voltage operation and high input impedance. The TLV2442CDR is optimized for low noise, low input offset voltage, and low power dissipation, making it ideal for small-signal conditioning and battery-powered equipment.
Key Specifications
| Parameter | Conditions | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | TA = 25°C | 300 µV | - | 2000 µV |
| Input Offset Voltage (VIO) - TLV244xA | TA = 25°C | 950 µV | - | 1500 µV |
| Input Bias Current (IIB) | TA = 25°C | 1 pA | - | 150 pA |
| Common-Mode Input Voltage Range (VICR) | VDD = 5 V | - | 0 V to 4.25 V | - |
| Supply Current (IDD) per Channel | VDD = 5 V, VO = 2.5 V | 750 µA | - | 1100 µA |
| Slew Rate at Unity Gain | VDD = 5 V, RL = 600 Ω, CL = 100 pF | 0.75 V/µs | - | 1.4 V/µs |
| High-Level Output Voltage (VOH) | VDD = 5 V, IOH = -5 mA | 4.35 V | - | 4.97 V |
| Low-Level Output Voltage (VOL) | VDD = 5 V, IOL = 5 mA | 0.8 V | - | 1.25 V |
Key Features
- Rail-to-Rail Output: The TLV2442CDR features rail-to-rail output, allowing for increased dynamic range in single- or split-supply applications.
- Extended Common-Mode Input Voltage Range: The device can handle input voltages from 0 V to 4.25 V at a 5-V single supply, making it suitable for a wide range of applications.
- Low Noise and Input Offset Voltage: With a typical input noise voltage of 18 nV/√Hz at 1 kHz and a maximum input offset voltage of 950 µV for the TLV244xA, this device is ideal for precision applications.
- Low Power Consumption: The TLV2442CDR has a low supply current of 750 µA per channel, making it suitable for battery-powered equipment.
- High Output Drive: The device can drive 600-Ω loads, which is beneficial for telecommunications applications.
- High Input Impedance: Suitable for small-signal conditioning for high-impedance sources such as piezoelectric transducers.
Applications
- Small-Signal Conditioning: Ideal for conditioning signals from high-impedance sources like piezoelectric transducers.
- Hand-Held Monitoring and Remote Sensing: The low power consumption and micropower dissipation levels make it suitable for these applications.
- Analog-to-Digital Converter (ADC) Interfaces: The rail-to-rail output feature makes it a great choice for interfacing with ADCs.
- Telecommunications: The high output drive capability makes it suitable for telecommunications applications.
- Battery-Powered Equipment: The low power consumption and small size make it ideal for high-density, battery-powered equipment).
Q & A
- What is the typical input offset voltage of the TLV2442CDR?
The typical input offset voltage of the TLV2442CDR is 300 µV, while the TLV244xA version has a maximum input offset voltage of 950 µV).
- What is the common-mode input voltage range of the TLV2442CDR?
The common-mode input voltage range of the TLV2442CDR is from 0 V to 4.25 V at a 5-V single supply).
- How much current does the TLV2442CDR typically consume per channel?
The TLV2442CDR typically consumes 750 µA of supply current per channel at VDD = 5 V and VO = 2.5 V).
- What is the slew rate of the TLV2442CDR at unity gain?
The slew rate of the TLV2442CDR at unity gain is typically 0.75 V/µs with a load of 600 Ω and a capacitance of 100 pF).
- Can the TLV2442CDR drive high-impedance loads?
Yes, the TLV2442CDR can drive 600-Ω loads, making it suitable for telecommunications and other high-impedance applications).
- What are the typical noise characteristics of the TLV2442CDR?
The TLV2442CDR has a typical equivalent input noise voltage of 18 nV/√Hz at 1 kHz).
- Is the TLV2442CDR suitable for high-temperature applications?
Yes, the TLV2442CDR is available in various temperature ranges, including –40°C to 125°C and –55°C to 125°C for different package options).
- What are some common applications of the TLV2442CDR?
The TLV2442CDR is commonly used in small-signal conditioning, hand-held monitoring, remote sensing, ADC interfaces, and battery-powered equipment).
- Does the TLV2442CDR have rail-to-rail input performance?
No, the TLV2442CDR does not have rail-to-rail input performance but does offer an extended common-mode input voltage range and rail-to-rail output performance).
- What is the package type of the TLV2442CDR?
The TLV2442CDR is available in several package types, including Small Outline (D), TSSOP (PW), and others).
