Overview
The TLC2254CDR is a quad rail-to-rail, very low-power operational amplifier from Texas Instruments. It is part of the TLC225x family, which is known for its Advanced LinCMOS technology. This device is particularly suited for applications requiring low power consumption and high performance in single-supply or split-supply configurations. The TLC2254CDR is packaged in a 14-pin SOIC (D) package and operates over a temperature range of 0°C to 70°C, making it versatile for various environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 14 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Current per Channel | 35 | µA |
| Input Bias Current | 1 | pA |
| Input Offset Voltage | 200 to 1500 | µV |
| Gain Bandwidth Product | 210 kHz | - |
| Slew Rate at Unity Gain | 0.12 | V/µs |
| Equivalent Input Noise Voltage at 1 kHz | 19 | nV/√Hz |
| Output Type | Rail-to-Rail | - |
| Supply Voltage Range | 4.4 V to 16 V, ±2.2 V to ±8 V | V |
Key Features
- Output Swing Includes Both Supply Rails
- Low Noise: 19 nV/Hz at f = 1 kHz
- Low Input Bias Current: 1 pA Typ
- Fully Specified for Both Single-Supply and Split-Supply Operation
- Very Low Power: 35 µA Per Channel Typ
- Common-Mode Input Voltage Range Includes Negative Rail
- Low Input Offset Voltage: 850 µV Max at T = 25°C (TLC225xA)
- Macromodel Included
- Performance Upgrades for the TS27L2/L4 and TLC27L2/L4
- Available in Q-Temp Automotive and HighRel Automotive Applications
Applications
The TLC2254CDR is suitable for a variety of applications due to its low power consumption and high performance. These include:
- Battery-powered applications, such as hand-held monitoring and remote-sensing devices.
- Small-signal conditioning for high-impedance sources, such as piezoelectric transducers.
- Interfacing with analog-to-digital converters (ADCs) in single or split supply configurations.
- Precision applications requiring low input offset voltage.
- Upgrades to existing designs using the TLC27L2/L4 or TS27L2/L4 operational amplifiers.
Q & A
- What is the typical supply current per channel for the TLC2254CDR?
The typical supply current per channel is 35 µA.
- What is the input bias current of the TLC2254CDR?
The input bias current is 1 pA typical.
- What is the operating temperature range of the TLC2254CDR?
The operating temperature range is 0°C to 70°C.
- What is the gain bandwidth product of the TLC2254CDR?
The gain bandwidth product is 210 kHz.
- What is the slew rate at unity gain for the TLC2254CDR?
The slew rate at unity gain is 0.12 V/µs.
- What is the equivalent input noise voltage at 1 kHz for the TLC2254CDR?
The equivalent input noise voltage at 1 kHz is 19 nV/√Hz.
- Is the TLC2254CDR suitable for battery-powered applications?
Yes, it is very suitable due to its low power consumption.
- Can the TLC2254CDR be used in precision applications?
Yes, it is suitable for precision applications, especially the TLC225xA family with a maximum input offset voltage of 850 µV.
- What are some common applications of the TLC2254CDR?
Common applications include small-signal conditioning, interfacing with ADCs, and upgrades to existing designs using the TLC27L2/L4 or TS27L2/L4.
- Is the TLC2254CDR available in automotive grades?
Yes, it is available in Q-Temp Automotive and HighRel Automotive Applications.
