Overview
The TLC27L2CDR 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 LinCMOS family, known for its high input impedance, low bias currents, and ultra-low power consumption, making it ideal for high gain, low frequency, and low power applications.
The TLC27L2CDR is available in various packaging options, including small-outline and chip-carrier versions, which are suitable for high-density system applications. It is characterized by its single-supply operation, wide range of supply voltages, and the ability to operate over a broad temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 1.1 mV (Typ), 10 mV (Max) | mV |
| Input Offset Voltage Drift | Typically 0.1 µV/Month | µV/Month |
| Supply Voltage Range | 3 V to 16 V (0°C to 70°C), 4 V to 16 V (-40°C to 85°C and -55°C to 125°C) | V |
| 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 |
| Input Bias Current | 0.7 pA (Typ), 60 pA (Max) at 25°C | pA |
| Supply Current | 29 µA (Typ) at 25°C | µA |
| Output Current per Channel | 30 mA | mA |
| Slew Rate | 0.05 V/µs | V/µs |
| Gain Bandwidth Product | 110 kHz | kHz |
| Input Impedance | 10^12 Ω (Typ) | Ω |
| Package Type | 8-SOIC (Surface Mount) |
Key Features
- Trimmed Offset Voltage: The TLC27L2 has a maximum input offset voltage of 10 mV at 25°C with VDD = 5 V.
- Low Offset Voltage Drift: Typically 0.1 µV/Month, including the first 30 days.
- Wide Range of Supply Voltages: Operates from 3 V to 16 V over specified temperature ranges.
- Single-Supply Operation: Can operate with a single supply voltage.
- Common-Mode Input Voltage Range: Extends below the negative rail for C-Suffix and I-Suffix types.
- Ultra-Low Power Consumption: Typically 95 µW at 25°C with VDD = 5 V.
- Output Voltage Range Includes Negative Rail: Allows for output voltages that include the negative rail.
- High Input Impedance: 10^12 Ω (Typ).
- ESD-Protection Circuitry: Protects against functional failures up to 2000 V as tested under MIL-STD-883C, Method 3015.2.
- Designed-In Latch-Up Immunity: Inputs and outputs are designed to withstand -100-mA surge currents without sustaining latch-up.
Applications
The TLC27L2CDR is suitable for a variety of applications due to its low power consumption, high input impedance, and low offset voltage drift. These include:
- Transducer Interfacing: Ideal for interfacing with transducers due to its high input impedance and low bias currents.
- Analog Calculations: Used in analog calculation circuits where precision and low power are crucial.
- Amplifier Blocks: Suitable for high gain amplifier blocks in low frequency applications.
- Active Filters: Can be used in the design of active filters due to its stability and low noise characteristics.
- Signal Buffering: Effective for signal buffering applications where low power and high input impedance are required.
- Remote and Battery-Powered Applications: Ideal for remote and inaccessible battery-powered applications due to its ultra-low power consumption.
Q & A
- What is the input offset voltage of the TLC27L2CDR?
The input offset voltage of the TLC27L2CDR is typically 1.1 mV and can be up to 10 mV at 25°C with VDD = 5 V.
- What is the operating temperature range for the TLC27L2CDR?
The operating temperature range for the TLC27L2CDR is 0°C to 70°C for C-Suffix devices, -40°C to 85°C for I-Suffix devices, and -55°C to 125°C for M-Suffix devices.
- What is the supply voltage range for the TLC27L2CDR?
The supply voltage range for the TLC27L2CDR is 3 V to 16 V for 0°C to 70°C, and 4 V to 16 V for -40°C to 85°C and -55°C to 125°C.
- Does the TLC27L2CDR have ESD protection?
Yes, the TLC27L2CDR 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 is the typical power consumption of the TLC27L2CDR?
The typical power consumption of the TLC27L2CDR is 95 µW at 25°C with VDD = 5 V.
- What is the input impedance of the TLC27L2CDR?
The input impedance of the TLC27L2CDR is typically 10^12 Ω.
- Can the TLC27L2CDR operate with a single supply voltage?
Yes, the TLC27L2CDR can operate with a single supply voltage.
- What are the common applications of the TLC27L2CDR?
The TLC27L2CDR is commonly used in transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering, as well as in remote and battery-powered applications.
- What packaging options are available for the TLC27L2CDR?
The TLC27L2CDR is available in small-outline (SOIC) and chip-carrier packaging options.
- Is the TLC27L2CDR RoHS compliant?
Yes, the TLC27L2CDR is lead-free and RoHS compliant.
