Overview
The TLV2454AIDR is a part of the TLV245x family of operational amplifiers produced by Texas Instruments. This device is a quad-channel, rail-to-rail input/output operational amplifier designed for low-power and high-performance applications. It is particularly suited for use in portable medical equipment, patient monitoring systems, and data acquisition circuits due to its low power consumption and high ac performance.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Current (per channel) | 23 | µA |
| Gain-Bandwidth Product | 220 | kHz |
| Output Drive Capability | ±10 | mA |
| Input Offset Voltage | 20 | µV |
| VDD Range | 2.7 to 6 | V |
| Power Supply Rejection Ratio | 106 | dB |
| Shutdown Mode Current (per channel) | 16 | nA |
| Operating Temperature Range | −40 to 125 | °C |
| Package Type | TSSOP |
Key Features
- Rail-to-Rail Input/Output (RRIO): Both the inputs and outputs can swing to within 250 mV of each supply rail, enhancing dynamic range in low-voltage applications.
- Low Power Consumption: The amplifier consumes only 23 µA per channel, making it ideal for battery-powered devices.
- High Output Drive Capability: Capable of driving loads up to 2.5 mA, addressing a major shortcoming of older micropower operational amplifiers.
- Shutdown Mode: Some members of the TLV245x family, including the TLV2454AIDR, offer a shutdown terminal to conserve battery life, reducing current consumption to 16 nA per channel.
- Compact Packaging: Available in TSSOP packages, suitable for high-density circuits.
Applications
- Portable Medical Equipment: Ideal for devices that require low power consumption and high performance.
- Patient Monitoring Systems: Suitable for monitoring systems that need precise and reliable signal amplification.
- Data Acquisition Circuits: Used in data acquisition systems where low noise and high accuracy are crucial.
- Battery-Powered Devices: Excellent choice for any battery-powered application requiring low power and high performance.
Q & A
- What is the typical supply current per channel for the TLV2454AIDR?
The typical supply current per channel is 23 µA.
- What is the gain-bandwidth product of the TLV2454AIDR?
The gain-bandwidth product is 220 kHz.
- What is the output drive capability of the TLV2454AIDR?
The output drive capability is ±10 mA.
- What is the input offset voltage of the TLV2454AIDR?
The input offset voltage is typically 20 µV.
- What is the VDD range for the TLV2454AIDR?
The VDD range is from 2.7 V to 6 V.
- Does the TLV2454AIDR have a shutdown mode?
- What is the operating temperature range for the TLV2454AIDR?
The operating temperature range is from −40°C to 125°C.
- In what package type is the TLV2454AIDR available?
The TLV2454AIDR is available in a TSSOP package.
- What are some typical applications for the TLV2454AIDR?
Typical applications include portable medical equipment, patient monitoring systems, data acquisition circuits, and other battery-powered devices.
- How does the TLV2454AIDR enhance dynamic range in low-voltage applications?
The TLV2454AIDR enhances dynamic range through its rail-to-rail input/output capability, allowing both inputs and outputs to swing close to the supply rails.
