Overview
The TLC272CP is a precision dual operational amplifier produced by Texas Instruments. It utilizes Texas Instruments' silicon-gate LinCMOS technology, which offers superior offset voltage stability compared to conventional metal-gate processes. This device is part of the TLC272 and TLC277 family, known for their low offset voltage drift, high input impedance, low noise, and speeds similar to those of general-purpose BiFET devices. The TLC272CP is particularly suited for applications requiring high precision and reliability, such as transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Input Offset Voltage | 10 mV (Max) | mV | VIC = 0, 25°C |
| Input Offset Voltage Drift | Typically 0.1 µV/Month | µV/Month | Including the first 30 days |
| Supply Voltage Range | 3 V to 16 V (0°C to 70°C) 4 V to 16 V (40°C to 85°C) 4 V to 16 V (55°C to 125°C) | V | Over specified temperature range |
| Common-Mode Input Voltage Range | Extends below the negative rail | V | C-Suffix, I-Suffix types |
| Noise | Typically 25 nV/√Hz at f = 1 kHz | nV/√Hz | f = 1 kHz |
| Output Voltage Range | Includes negative rail | V | |
| Input Impedance | 10^12 Ω (Typ) | Ω | |
| Operating Temperature Range | 0°C to 70°C (C-Suffix) 40°C to 85°C (I-Suffix) 55°C to 125°C (M-Suffix) | °C | |
| Package | 8-Pin PDIP (P) |
Key Features
- Trimmed Offset Voltage: Low input offset voltage, with the TLC277 having a maximum of 500 µV at 25°C, VDD = 5 V.
- Low Offset Voltage Drift: Typically 0.1 µV/Month, including the first 30 days.
- Wide Range of Supply Voltages: Operates over a range of 3 V to 16 V depending on the temperature range.
- Single-Supply Operation: Suitable for low voltage single-supply applications.
- High Input Impedance: 10^12 Ω typical.
- Low Noise: Typically 25 nV/√Hz at f = 1 kHz.
- 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: Inputs and outputs designed to withstand –100-mA surge currents without sustaining latch-up.
- Small-Outline Package Option: Available in tape and reel for high-density system applications.
Applications
The TLC272CP is versatile and can be used in a variety of applications, including:
- Transducer Interfacing: Ideal for interfacing with transducers due to its high input impedance and low noise.
- Analog Calculations: Suitable for analog calculations and signal processing.
- Amplifier Blocks: Can be used as amplifier blocks in various analog circuits.
- Active Filters: Used in the design of active filters due to its stability and precision.
- Signal Buffering: Effective for signal buffering applications requiring low noise and high input impedance.
- Battery-Powered Applications: Suitable for remote and inaccessible battery-powered applications due to its single-supply operation and low voltage requirements.
Q & A
- What is the input offset voltage of the TLC272CP?
The input offset voltage of the TLC272CP is typically 10 mV maximum at 25°C, VDD = 5 V.
- What is the input offset voltage drift of the TLC272CP?
The input offset voltage drift is typically 0.1 µV/Month, including the first 30 days.
- What is the supply voltage range for the TLC272CP?
The supply voltage range is 3 V to 16 V for 0°C to 70°C, 4 V to 16 V for 40°C to 85°C, and 4 V to 16 V for 55°C to 125°C.
- Does the TLC272CP support single-supply operation?
Yes, the TLC272CP supports single-supply operation, making it suitable for low voltage applications.
- What is the common-mode input voltage range of the TLC272CP?
The common-mode input voltage range extends below the negative rail for C-Suffix and I-Suffix types.
- How much noise does the TLC272CP generate?
The TLC272CP generates typically 25 nV/√Hz at f = 1 kHz.
- What is the input impedance of the TLC272CP?
The input impedance is typically 10^12 Ω.
- Does the TLC272CP have ESD protection?
Yes, the TLC272CP incorporates internal ESD-protection circuits that prevent functional failures at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015.2.
- What are the packaging options for the TLC272CP?
The TLC272CP is available in various packaging options, including 8-Pin PDIP, small-outline, and chip carrier versions.
- What are some common applications of the TLC272CP?
The TLC272CP is commonly used in transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering, as well as in battery-powered applications.
