Overview
The TLC272CPW 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 TLC272CPW is designed to be cost-effective and suitable for a wide range of applications, including those previously reserved for BiFET and NFET products.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage | 10 mV Max at 25°C, VDD = 5 V | TLC272C |
| Input Offset Voltage Drift | Typically 0.1 µV/Month, Including the First 30 Days | |
| Supply Voltage Range | 0°C to 70°C: 3 V to 16 V 40°C to 85°C: 4 V to 16 V 55°C to 125°C: 4 V to 16 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) | |
| Input Impedance | 10^12 Ω Typ | |
| Noise | Typically 25 nV/Hz at f = 1 kHz | |
| Output Voltage Range | Includes Negative Rail | |
| ESD Protection | Up to 2000 V as tested under MIL-STD-883C, Method 3015.2 | |
| Package Options | Small-Outline (D), Chip Carrier (FK), Ceramic DIP (JG), Plastic DIP (P), TSSOP (PW) |
Key Features
- Trimmed Offset Voltage: Low input offset voltage, with the TLC272 having a maximum of 10 mV 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 wide range of supply voltages from 3 V to 16 V across different temperature ranges.
- Single-Supply Operation: Supports single-supply operation, making it suitable for battery-powered applications.
- Common-Mode Input Voltage Range: Extends below the negative rail for C-suffix and I-suffix types.
- Low Noise: Typically 25 nV/Hz at f = 1 kHz.
- High Input Impedance: 10^12 Ω Typ.
- Output Voltage Range: Includes the negative rail.
- 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 designed to withstand 100-mA surge currents without sustaining latch-up.
Applications
The TLC272CPW is versatile and can be used in various 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 amplifier blocks.
- Active Filters: Can be used in the design of active filters.
- Signal Buffering: Effective for signal buffering applications.
- Battery-Powered Applications: Low voltage single-supply operation makes it ideal for remote and inaccessible battery-powered applications.
Q & A
- What is the input offset voltage of the TLC272CPW?
The input offset voltage of the TLC272CPW is typically 10 mV maximum at 25°C, VDD = 5 V.
- What is the input offset voltage drift of the TLC272CPW?
The input offset voltage drift is typically 0.1 µV/Month, including the first 30 days.
- What is the operating temperature range for the TLC272CPW?
The operating temperature range varies by suffix: 0°C to 70°C (C-suffix), 40°C to 85°C (I-suffix), and 55°C to 125°C (M-suffix).
- What is the supply voltage range for the TLC272CPW?
The supply voltage range is from 3 V to 16 V across different temperature ranges.
- Does the TLC272CPW support single-supply operation?
Yes, the TLC272CPW supports single-supply operation, making it suitable for battery-powered applications.
- What is the common-mode input voltage range for the TLC272CPW?
The common-mode input voltage range extends below the negative rail for C-suffix and I-suffix types.
- What is the noise level of the TLC272CPW?
The noise level is typically 25 nV/Hz at f = 1 kHz.
- What is the input impedance of the TLC272CPW?
The input impedance is 10^12 Ω Typ.
- Does the TLC272CPW have ESD protection?
Yes, the TLC272CPW has 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 applications of the TLC272CPW?
The TLC272CPW is used in transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering, among other applications.
