Overview
The TLC274CNG4 is a quad operational amplifier from Texas Instruments, part of the TLC274 and TLC279 series. These devices utilize Texas Instruments' silicon-gate LinCMOS technology, which offers superior offset voltage stability compared to conventional metal-gate processes. The TLC274CNG4 combines a wide range of input offset voltage grades with low offset voltage drift, high input impedance, low noise, and high slew rates, making it a cost-effective alternative to BiFET and NFET products. It is particularly suited for applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0, 25°C | 1.1 | 10 | mV |
| Input Offset Current (IIO) | 25°C | 0.1 | 60 | pA |
| Common-Mode Rejection Ratio (CMRR) | 25°C | 80 | - | dB |
| Supply Voltage Range | - | - | 5 V to 15 V | V |
| Operating Temperature Range | - | - | -40°C to 85°C | °C |
| Package Type | - | - | 14-DIP (0.300, 7.62mm) | - |
Key Features
- High input impedance and low bias currents.
- Low offset voltage and drift.
- High slew rates approaching those of general-purpose BiFET devices.
- Internal ESD-protection circuits up to 2000 V as per MIL-STD-883C, Method 3015.2.
- Designed-in latch-up immunity and ability to withstand -100-mA surge currents.
- Low voltage single-supply operation, suitable for battery-powered applications.
- Wide range of packaging options including small-outline and chip-carrier versions.
Applications
- Transducer interfacing.
- Analog calculations and amplifier blocks.
- Active filters and signal buffering.
- Remote and inaccessible battery-powered applications.
- High-density system applications due to various packaging options.
Q & A
- What is the primary technology used in the TLC274CNG4?
The TLC274CNG4 uses Texas Instruments' silicon-gate LinCMOS technology.
- What are the key advantages of the TLC274CNG4 over BiFET and NFET products?
The TLC274CNG4 offers high input impedance, low bias currents, high slew rates, and low offset voltage drift, making it a cost-effective alternative.
- What is the typical input offset voltage of the TLC274CNG4?
The typical input offset voltage is 1.1 mV at 25°C.
- What is the common-mode rejection ratio (CMRR) of the TLC274CNG4?
The CMRR is typically 80 dB at 25°C.
- What is the operating temperature range of the TLC274CNG4?
The operating temperature range is -40°C to 85°C.
- What types of applications are the TLC274CNG4 suited for?
The TLC274CNG4 is suited for transducer interfacing, analog calculations, active filters, signal buffering, and battery-powered applications.
- Does the TLC274CNG4 have built-in ESD protection?
Yes, it has internal ESD-protection circuits up to 2000 V as per MIL-STD-883C, Method 3015.2.
- What packaging options are available for the TLC274CNG4?
The TLC274CNG4 is available in a 14-DIP package among other options.
- Can the TLC274CNG4 operate on a single supply voltage?
Yes, it can operate on a single supply voltage, making it suitable for battery-powered applications.
- Is the TLC274CNG4 resistant to latch-up?
Yes, the device is designed with latch-up immunity and can withstand -100-mA surge currents.
