Overview
The TLC272CPG4 is a precision dual operational amplifier produced by Texas Instruments. It is part of the TLC272 and TLC277 family, which combines a wide range of input offset voltage grades with low offset voltage drift, high input impedance, and low noise. These devices utilize Texas Instruments' silicon-gate LinCMOS technology, providing offset voltage stability and performance that exceeds conventional metal-gate processes. The TLC272CPG4 is suitable for various applications, including transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering, making it a versatile choice for both new and upgraded designs.
Key Specifications
| Parameter | Condition | Typical | Maximum |
|---|---|---|---|
| Supply Voltage (VDD) | 3 V to 16 V (C-suffix), 4 V to 16 V (I-suffix), 4 V to 16 V (M-suffix) | 18 V | |
| Input Offset Voltage (VIO) | At 25°C, VDD = 5 V | 10 mV (TLC272C), 5 mV (TLC272AC), 2000 µV (TLC272BC), 500 µV (TLC277C) | 12 mV (TLC272C), 6.5 mV (TLC272AC), 3000 µV (TLC272BC), 800 µV (TLC277C) |
| Input Offset Voltage Drift | Typically | 0.1 µV/Month (including the first 30 days) | |
| Input Impedance | 10^12 Ω | ||
| Noise | f = 1 kHz | 25 nV/√Hz | |
| Common-Mode Input Voltage Range | VDD = 5 V | -0.2 to 3.5 V | |
| Operating Free-Air Temperature | 0°C to 70°C (C-suffix), -40°C to 85°C (I-suffix), -55°C to 125°C (M-suffix) |
Key Features
- High input impedance and low bias currents, making them ideal for applications previously reserved for BiFET and NFET products.
- Low noise, typically 25 nV/√Hz at f = 1 kHz.
- Single-supply operation with a wide range of supply voltages.
- Common-mode input voltage range extends below the negative rail.
- Output voltage range includes the negative rail.
- Internal ESD-protection circuits that prevent functional failures up to 2000 V.
- Designed-in latch-up immunity and the ability to withstand –100-mA surge currents without sustaining latch-up.
- Available in various packaging options, including small-outline and chip carrier versions for high-density system applications.
Applications
- Transducer interfacing.
- Analog calculations.
- Amplifier blocks.
- Active filters.
- Signal buffering.
- Remote and inaccessible battery-powered applications due to low voltage single-supply operation.
Q & A
- What is the input offset voltage range for the TLC272CPG4?
The input offset voltage for the TLC272CPG4 can range from 10 mV for the TLC272C to 500 µV for the TLC277C, depending on the specific grade.
- What are the operating temperature ranges for the TLC272CPG4?
The operating temperature ranges are 0°C to 70°C for C-suffix, -40°C to 85°C for I-suffix, and -55°C to 125°C for M-suffix devices.
- What is the common-mode input voltage range for the TLC272CPG4?
The common-mode input voltage range extends from -0.2 V to 3.5 V when VDD = 5 V.
- Does the TLC272CPG4 have ESD protection?
Yes, the TLC272CPG4 incorporates internal ESD-protection circuits that prevent functional failures up to 2000 V as tested under MIL-STD-883C, Method 3015.2.
- What are the typical noise levels for the TLC272CPG4?
The typical noise level is 25 nV/√Hz at f = 1 kHz.
- Can the TLC272CPG4 operate on a single supply?
Yes, the TLC272CPG4 supports single-supply operation with a wide range of supply voltages.
- What are the packaging options available for the TLC272CPG4?
The device is available in various packaging options, including small-outline and chip carrier versions for high-density system applications.
- How does the TLC272CPG4 handle surge currents?
The device inputs and outputs are designed to withstand –100-mA surge currents without sustaining latch-up.
- What are some common applications for the TLC272CPG4?
Common applications include transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
- What technology does the TLC272CPG4 use?
The TLC272CPG4 uses Texas Instruments' silicon-gate LinCMOS technology.
