Overview
The TLC277CPSR is a precision dual operational amplifier from Texas Instruments, utilizing their advanced LinCMOS technology. This device is part of the TLC277 series, known for its high precision, low noise, and wide range of input offset voltage grades. The TLC277CPSR is designed to offer high input impedance, low bias currents, and excellent offset voltage stability, making it suitable for a variety of precision analog applications.
Key Specifications
Parameter | Typical Value | Minimum Value | Maximum Value |
---|---|---|---|
Input Offset Voltage (VIO) at 25°C | 250 µV | 200 µV | 500 µV |
Input Offset Voltage Drift | 0.1 µV/Month | ||
Supply Voltage Range | 4 V to 16 V | 3 V | 16 V |
Common-Mode Input Voltage Range | -0.2 to 4 V | -0.3 V | 4.2 V |
High-Level Output Voltage (VOH) at 10 kΩ Load | 3.8 V | 3 V | 3.8 V |
Low-Level Output Voltage (VOL) at 10 kΩ Load | 50 mV | 0 mV | 50 mV |
Input Bias Current (IIB) | 0.6 pA | 0.1 pA | 60 pA |
Input Offset Current (IIO) | 0.1 pA | 0.1 pA | 60 pA |
Common-Mode Rejection Ratio (CMRR) | 88 dB | 60 dB | 88 dB |
Operating Temperature Range | -40°C to 85°C | -40°C | 85°C |
Key Features
- High precision with low input offset voltage and drift.
- Wide range of supply voltages (3 V to 16 V) and operating temperatures (-40°C to 85°C).
- Single-supply operation and common-mode input voltage range extending below the negative rail.
- Low noise (typically 25 nV/√Hz at f = 1 kHz) and high input impedance (typically 10^12 Ω).
- ESD-protection circuitry and latch-up immunity.
- Available in various packaging options including small-outline and chip carrier versions.
Applications
The TLC277CPSR is ideal for a variety of precision analog applications, including:
- Transducer interfacing.
- Analog calculations and amplifier blocks.
- Active filters and signal buffering.
- Remote and inaccessible battery-powered applications due to its low voltage single-supply operation.
Q & A
- What is the typical input offset voltage of the TLC277CPSR at 25°C?
The typical input offset voltage is 250 µV. - What is the input offset voltage drift of the TLC277CPSR?
The input offset voltage drift is typically 0.1 µV/Month. - What is the supply voltage range for the TLC277CPSR?
The supply voltage range is from 3 V to 16 V. - What is the common-mode input voltage range for the TLC277CPSR?
The common-mode input voltage range is from -0.2 V to 4 V. - What is the high-level output voltage of the TLC277CPSR at a 10 kΩ load?
The high-level output voltage is typically 3.8 V. - What is the low-level output voltage of the TLC277CPSR at a 10 kΩ load?
The low-level output voltage is typically 50 mV. - What is the input bias current of the TLC277CPSR?
The input bias current is typically 0.6 pA. - What is the common-mode rejection ratio (CMRR) of the TLC277CPSR?
The CMRR is typically 88 dB. - What are the operating temperature ranges for the TLC277CPSR?
The operating temperature range is from -40°C to 85°C. - What packaging options are available for the TLC277CPSR?
The device is available in various packaging options including small-outline and chip carrier versions.