Overview
The TLC277CPSLE from Texas Instruments is a precision dual operational amplifier that utilizes the company's silicon-gate LinCMOS technology. This technology offers superior offset voltage stability compared to conventional metal-gate processes. The TLC277 is designed to provide low offset voltage, low noise, and high input impedance, making it suitable for a wide range of applications, including transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering. The device is particularly useful in remote and battery-powered applications due to its single-supply operation and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) - Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Package | 8-Pin SOP (Small Outline Package) |
| Number of Circuits | 2 |
| Output Type | - |
| Slew Rate | 5.3 V/µs |
| Gain Bandwidth Product | 2.2 MHz |
| Current - Input Bias | 0.7 pA |
| Voltage - Input Offset | 500 µV Max at 25°C, VDD = 5 V |
| Current - Supply | 1.9 mA |
| Current - Output / Channel | 30 mA |
| Voltage - Supply, Single/Dual (±) | 3 V ~ 16 V, ±1.5 V ~ 8 V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-Pin SOP |
Key Features
- Trimmed Offset Voltage: 500 µV Max at 25°C, VDD = 5 V
- Input Offset Voltage Drift: Typically 0.1 µV/Month, including the first 30 days
- Wide Range of Supply Voltages: 3 V to 16 V over specified temperature ranges
- Single-Supply Operation: Suitable for battery-powered applications
- Common-Mode Input Voltage Range: Extends below the negative rail (C-Suffix, I-Suffix types)
- Low Noise: Typically 25 nV/Hz at f = 1 kHz
- Output Voltage Range: Includes the negative rail
- High Input Impedance: 10^12 Ω typical
- ESD-Protection Circuitry: Prevents functional failures at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015.2
- Designed-In Latch-Up Immunity: Withstands 100-mA surge currents without sustaining latch-up
Applications
The TLC277CPSLE is versatile and can be used in various applications, including:
- Transducer Interfacing: For precise signal conditioning and amplification
- Analog Calculations: In circuits requiring high accuracy and stability
- Amplifier Blocks: General-purpose amplification in analog circuits
- Active Filters: For designing high-precision filters
- Signal Buffering: To isolate and buffer signals in various analog systems
- Battery-Powered Applications: Due to its low power consumption and single-supply operation
Q & A
- What is the maximum input offset voltage of the TLC277CPSLE?
The maximum input offset voltage is 500 µV at 25°C, VDD = 5 V
- What is the input offset voltage drift of the TLC277CPSLE?
Typically 0.1 µV/Month, including the first 30 days
- What is the operating temperature range of the TLC277CPSLE?
The operating temperature range is 0°C to 70°C
- What is the supply voltage range for the TLC277CPSLE?
The supply voltage range is 3 V to 16 V over specified temperature ranges
- Does the TLC277CPSLE support single-supply operation?
Yes, it supports single-supply operation, making it suitable for battery-powered applications
- What is the common-mode input voltage range of the TLC277CPSLE?
The common-mode input voltage range extends below the negative rail (C-Suffix, I-Suffix types)
- What is the noise level of the TLC277CPSLE?
Typically 25 nV/Hz at f = 1 kHz
- Does the TLC277CPSLE have ESD-protection circuitry?
Yes, it has ESD-protection circuitry that prevents functional failures at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015.2
- What is the slew rate of the TLC277CPSLE?
The slew rate is 5.3 V/µs
- What is the gain bandwidth product of the TLC277CPSLE?
The gain bandwidth product is 2.2 MHz
