Overview
The TLV274CDR is a dual operational amplifier (Op Amp) manufactured by Texas Instruments. It is part of the TLV27x family, known for its low power consumption, wide bandwidth, and rail-to-rail output operation. This device operates over a supply voltage range of 2.7 V to 16 V and is fully specified for 5-V and ±5-V supplies, making it versatile for various applications. The TLV274CDR is particularly suited for battery-powered systems, including those using Li-Ion batteries, and is compatible with many micropower microcontrollers such as TI's MSP430 series.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | - | 2.7 | - | 16 | V |
| Supply Current (per channel) | VO = VDD/2 | 470 | 550 | 660 | µA |
| Input Noise Voltage | - | - | 39 | - | nV/√Hz |
| Input Bias Current | - | - | 1 | - | pA |
| Bandwidth | - | - | 3 | - | MHz |
| Slew Rate | - | - | 2.4 | - | V/µs |
| Operating Temperature Range | - | -40 | - | 125 | °C |
| Package Type | - | - | - | SOIC-14, TSSOP-14, PDIP-14 | - |
Key Features
- Rail-to-Rail Output: The TLV274CDR provides rail-to-rail output operation, allowing the output to swing within 320 mV to the positive supply voltage.
- Wide Bandwidth: It offers a bandwidth of 3 MHz, making it suitable for high-frequency applications.
- High Slew Rate: The device has a high slew rate of 2.4 V/µs, ensuring fast response times.
- Low Power Consumption: With a supply current of 550 µA per channel, it is ideal for battery-powered and low-power applications.
- High Input Impedance: CMOS inputs provide high input impedance and low bias currents, making it suitable for high-impedance sensor interfaces.
- Compact Packaging: Available in ultrasmall packages such as SOIC-14, TSSOP-14, and PDIP-14, making it ideal for high-density PCBs.
- Wide Temperature Range: Specified for both commercial (0°C to 70°C) and industrial (–40°C to 125°C) temperature ranges.
Applications
The TLV274CDR is versatile and can be used in a variety of applications, including:
- Battery-Powered Systems: Ideal for systems powered by Li-Ion batteries and other rechargeable cells due to its low voltage operation and low power consumption.
- Industrial Applications: Suitable for industrial environments where robustness and power efficiency are critical.
- Military/Aerospace Applications: Its wide temperature range and high reliability make it a good choice for military and aerospace applications.
- Automotive Applications: Used in automotive systems where high-speed processing and power efficiency are essential.
- Sensor Interfaces: Its high input impedance and low bias currents make it ideal for interfacing with a wide variety of signal sensors.
Q & A
- What is the supply voltage range of the TLV274CDR?
The TLV274CDR operates over a supply voltage range of 2.7 V to 16 V.
- What is the typical supply current per channel for the TLV274CDR?
The typical supply current per channel is 550 µA.
- What is the bandwidth of the TLV274CDR?
The bandwidth of the TLV274CDR is 3 MHz.
- What is the slew rate of the TLV274CDR?
The slew rate of the TLV274CDR is 2.4 V/µs.
- What are the available package types for the TLV274CDR?
The TLV274CDR is available in SOIC-14, TSSOP-14, and PDIP-14 packages.
- What is the operating temperature range for the TLV274CDR?
The operating temperature range is from –40°C to 125°C for the industrial grade and 0°C to 70°C for the commercial grade.
- Is the TLV274CDR suitable for battery-powered systems?
Yes, it is ideal for battery-powered systems due to its low power consumption and low voltage operation.
- What are some common applications of the TLV274CDR?
Common applications include industrial, military/aerospace, automotive, and sensor interfaces.
- What is the input noise voltage of the TLV274CDR?
The input noise voltage is 39 nV/√Hz.
- What is the input bias current of the TLV274CDR?
The input bias current is 1 pA.
