Overview
The TLC2272CDRG4 is a dual, low-noise, rail-to-rail operational amplifier produced by Texas Instruments. This device is part of the TLC227x family, known for its high performance and versatility in various applications. The TLC2272CDRG4 is designed to operate in both single-supply and split-supply configurations, making it suitable for a wide range of electronic systems. Its small size and low power consumption make it ideal for high-density, battery-powered equipment.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Slew Rate at Unity Gain | VO = ±2.3 V, RL = 10 kΩ, CL = 100 pF, TA = 25°C | 2.3 | 3.6 | 1.7 | V/μs |
| Equivalent Input Noise Voltage | f = 1 kHz | 9 | nV/√Hz | ||
| Peak-to-Peak Equivalent Input Noise Voltage | f = 0.1 Hz to 1 Hz | 1 | μV | ||
| Total Harmonic Distortion + Noise | VO = ±2.3 V, f = 20 kHz, RL = 10 kΩ, AV = 1 | 0.0011% | % | ||
| Input Offset Voltage | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω, TA = 25°C | 300 | 2500 | 3000 | μV |
| Input Bias Current | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω, TA = 25°C | 1 | 60 | pA | |
| Common-Mode Input Voltage Range | RS = 50 Ω; |VIO| ≤ 5 mV, TA = 25°C | -0.3 | 2.5 | 4 | V |
Key Features
- 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: 2.2-MHz typical
- High slew rate: 3.6-V/μs typical
- Low input offset voltage: 950 μV maximum at TA = 25°C
- Low noise: 9 nV/√Hz typical at f = 1 kHz
- Rail-to-rail output performance for increased dynamic range
Applications
- Battery-powered applications
- Hand-held monitoring systems
- Transducer interfaces
- White goods (refrigerators, washing machines)
- Automotive applications (Q-Temp qualified)
Q & A
- What is the typical slew rate of the TLC2272CDRG4?
The typical slew rate is 3.6 V/μs at unity gain.
- What is the input offset voltage range for the TLC2272CDRG4?
The input offset voltage range is 300 μV to 2500 μV at TA = 25°C.
- Can the TLC2272CDRG4 operate in both single-supply and split-supply configurations?
- What is the common-mode input voltage range for the TLC2272CDRG4?
The common-mode input voltage range includes negative rail and is from -0.3 V to 4 V.
- What are some typical applications of the TLC2272CDRG4?
Typical applications include battery-powered equipment, hand-held monitoring systems, transducer interfaces, and white goods.
- What is the gain-bandwidth product of the TLC2272CDRG4?
The gain-bandwidth product is 2.2 MHz typical.
- Is the TLC2272CDRG4 suitable for automotive applications?
- What is the typical equivalent input noise voltage of the TLC2272CDRG4?
The typical equivalent input noise voltage is 9 nV/√Hz at f = 1 kHz.
- What is the input bias current of the TLC2272CDRG4?
The input bias current is 1 pA typical.
- What is the high-level output voltage of the TLC2272CDRG4?
The high-level output voltage is 4.99 V for IOH = −20 μA at TA = 25°C.
