Overview
The TLV2434IDR is a low-voltage operational amplifier from Texas Instruments, part of the TLV243x family. This device is known for its advanced LinCMOS technology, offering rail-to-rail output and an extended common-mode input voltage range. It is optimized for low-voltage operation and is suitable for a wide range of applications, including battery-powered devices and telecom applications. The TLV2434IDR is characterized by its low noise, high input impedance, and very low supply current, making it an excellent choice for small-signal conditioning.
Key Specifications
| Parameter | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage | VIC = 0, VO = 0, VDD± = ±2.5 V, RS = 50 Ω, 25°C | 300 | 950 | µV |
| Input Bias Current | VIC = 0, VO = 0, VDD± = ±2.5 V, RS = 50 Ω, 25°C | 1 | 60 | pA |
| Common-Mode Input Voltage Range | VIC = 0 to 4.5 V, VDD = 5 V | 0 to 4.5 | -0.25 to 4.75 | V |
| Supply Current (per channel) | VO = 2.5 V, No load, 25°C | 200 | 250 | µA |
| Output Drive Capability | 600-Ω load | - | - | - |
| Operating Temperature Range | -40°C to 125°C | - | - | °C |
| Noise | f = 1 kHz, 25°C | 18 | - | nV/√Hz |
Key Features
- Rail-to-Rail Output: The TLV2434IDR features rail-to-rail output performance, ensuring maximum dynamic range in single- or split-supply applications.
- Extended Common-Mode Input Voltage Range: The device can handle common-mode input voltages from 0 V to 4.5 V with a single 5-V supply.
- No Phase Inversion: Unlike some other operational amplifiers, the TLV2434IDR does not phase invert when the common-mode input is driven to the supply rails.
- Low Noise and High Input Impedance: It exhibits low noise (18 nV/√Hz at f = 1 kHz) and high input impedance, making it suitable for small-signal conditioning.
- Low Supply Current: The device requires only 200 µA (typ) of supply current per channel, ideal for battery-powered applications.
- High Output Drive Capability: It can drive 600-Ω loads, which is beneficial for telecom applications.
Applications
- Battery-Powered Devices: The low supply current makes it ideal for battery-powered applications where power efficiency is crucial.
- Telecom Applications: The high output drive capability and rail-to-rail output performance make it suitable for telecom applications.
- Small-Signal Conditioning: Its high input impedance and low noise characteristics make it excellent for small-signal conditioning tasks.
- Automotive and High-Reliability Applications: Available in configurations that meet automotive and high-reliability standards.
Q & A
- Q: What is the typical input offset voltage of the TLV2434IDR?
A: The typical input offset voltage is 300 µV at 25°C. - Q: What is the common-mode input voltage range for the TLV2434IDR?
A: The common-mode input voltage range is from 0 V to 4.5 V with a single 5-V supply. - Q: Does the TLV2434IDR phase invert when the common-mode input is driven to the supply rails?
A: No, the TLV2434IDR does not phase invert under these conditions. - Q: What is the typical supply current per channel for the TLV2434IDR?
A: The typical supply current per channel is 200 µA. - Q: What is the output drive capability of the TLV2434IDR?
A: The TLV2434IDR can drive 600-Ω loads. - Q: What is the operating temperature range for the TLV2434IDR?
A: The operating temperature range is from -40°C to 125°C. - Q: Is the TLV2434IDR suitable for automotive applications?
A: Yes, it is available in configurations that meet automotive and high-reliability standards. - Q: What is the noise level of the TLV2434IDR at 1 kHz?
A: The noise level is typically 18 nV/√Hz at f = 1 kHz. - Q: Can the TLV2434IDR be used in telecom applications?
A: Yes, its high output drive capability and rail-to-rail output performance make it suitable for telecom applications. - Q: What are the key advantages of using the TLV2434IDR for small-signal conditioning?
A: Its high input impedance and low noise characteristics make it excellent for small-signal conditioning tasks.
