Overview
The TLC2274AMDRG4 is a quadruple operational amplifier from Texas Instruments, part of the TLC227x family. These devices are known for their advanced LinCMOS technology, offering rail-to-rail output performance, which enhances dynamic range in both single-supply and split-supply applications. The TLC2274AMDRG4 is characterized by its low noise, high gain-bandwidth product, and high slew rate, making it suitable for a wide range of high-speed applications.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω | 300 | 2500 | 3000 | µV |
| Input Bias Current (IIB) | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω | 1 | 60 | 800 | pA |
| High-Level Output Voltage (VOH) | IOH = −20 μA, TA = 25°C | 4.85 | 4.93 | 4.99 | V |
| Low-Level Output Voltage (VOL) | IOL = 50 μA, TA = 25°C | 0.01 | 0.09 | 0.15 | V |
| Gain-Bandwidth Product | f = 10 kHz, RL = 10 kΩ, CL = 100 pF | 2.18 | 2.25 | - | MHz |
| Slew Rate | VO = ±2.3 V, RL = 10 kΩ, CL = 100 pF, TA = 25°C | 2.3 | 3.6 | 1.7 | V/μs |
| Supply Current (IDD) | VO = 0 V, no load, TA = 25°C | 2.4 | 3 | - | mA |
Key Features
- Output swing includes both supply rails for increased dynamic range.
- Low noise: 9 nV/√Hz typical at f = 1 kHz.
- Low input bias current: 1 pA typical.
- Fully specified for both single-supply and split-supply operation.
- Common-mode input voltage range includes negative rail.
- High gain-bandwidth product: 2.2 MHz typical.
- High slew rate: 3.6 V/μs typical.
- Low input offset voltage: 950 μV maximum at TA = 25°C.
Applications
- White goods (refrigerators, washing machines).
- Hand-held monitoring systems.
- Transducer interfaces.
- Battery-powered applications.
Q & A
- What is the typical gain-bandwidth product of the TLC2274AMDRG4?
The typical gain-bandwidth product is 2.25 MHz at f = 10 kHz, RL = 10 kΩ, and CL = 100 pF.
- What is the slew rate of the TLC2274AMDRG4?
The slew rate is typically 3.6 V/μs at unity gain, with VO = ±2.3 V, RL = 10 kΩ, and CL = 100 pF.
- What is the input offset voltage of the TLC2274AMDRG4?
The input offset voltage is typically 2500 μV, with a maximum of 3000 μV at VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, and RS = 50 Ω.
- What are the supply voltage requirements for the TLC2274AMDRG4?
The device can operate with supply voltages ranging from 2.2 V to ±8 V.
- What is the common-mode input voltage range of the TLC2274AMDRG4?
The common-mode input voltage range includes the negative rail and extends up to 2.5 V from the positive rail.
- What are some typical applications of the TLC2274AMDRG4?
Typical applications include white goods, hand-held monitoring systems, transducer interfaces, and battery-powered applications.
- What is the low-level output voltage of the TLC2274AMDRG4?
The low-level output voltage is typically 0.01 V with IOL = 50 μA at TA = 25°C.
- What is the high-level output voltage of the TLC2274AMDRG4?
The high-level output voltage is typically 4.93 V with IOH = −200 μA at TA = 25°C.
- What is the supply current of the TLC2274AMDRG4?
The supply current is typically 3 mA with VO = 0 V and no load at TA = 25°C.
- What are the package options available for the TLC2274AMDRG4?
The device is available in TSSOP (14), SOIC (14), SO (14), and PDIP (14) packages.
- Is the TLC2274AMDRG4 suitable for automotive applications?
Yes, the TLC2274AMDRG4 is available in Q-Temp automotive grades, making it suitable for automotive applications).
