Overview
The LT1014DIDWR, produced by Texas Instruments, is a quad precision operational amplifier that offers significant upgrades over traditional op-amps in the industry-standard 14-pin DIP configuration. This component is part of the LT1014 family, which includes the LT1014, LT1014A, and LT1014D. It is designed to provide high precision and low noise, making it ideal for a variety of precision applications. The LT1014DIDWR is particularly notable for its low offset voltage, low drift, and high gain, making it a reliable choice for demanding analog circuits.
Key Specifications
| Parameter | Conditions | Typical | Maximum |
|---|---|---|---|
| Input Offset Voltage | R = 50 Ω, 25°C | 300 µV | 800 µV |
| Input Offset Voltage Temperature Coefficient | Full range | 2.5 µV/°C | 5 µV/°C |
| Input Offset Current | 25°C | 1.5 nA | 2.8 nA |
| Input Bias Current | 25°C | -12 nA | -30 nA |
| Supply Current | 25°C | 0.55 mA | 0.6 mA |
| Common-Mode Input Voltage Range | 25°C | 0 to 3.5 V | -0.3 to 3.8 V |
| Output Low Voltage | No load, 25°C | 15 mV | 25 mV |
| Equivalent Input Noise Voltage | f = 0.1 Hz to 10 Hz | 0.55 µV | |
| Equivalent Input Noise Current | f = 10 Hz | 0.07 pA/√Hz |
Key Features
- Single-Supply Operation: Input voltage range extends to ground, and output swings to ground while sinking current.
- Low Offset Voltage: Guaranteed offset voltage of 300 µV max at 25°C.
- Low Drift: Offset voltage temperature coefficient of 2.5 µV/°C max.
- High Gain: Minimum gain of 1.2 V/µV with a 2 kΩ load resistance.
- Low Supply Current: Maximum supply current of 0.55 mA at 25°C.
- Low Noise: Peak-to-peak equivalent input noise voltage of 0.55 µV from 0.1 Hz to 10 Hz.
- Pin Compatibility: Compatible with industry-standard 14-pin DIP configurations like LM324/LM348/OP-11/4156.
Applications
- Battery-Powered Precision Instrumentation: Ideal for portable and battery-powered precision instruments.
- Strain Gauge Signal Conditioners: Used in strain gauge applications requiring high precision and low noise.
- Thermocouple Amplifiers: Suitable for thermocouple amplification due to its low offset voltage and drift.
- Instrumentation Amplifiers: Used in various instrumentation amplifier circuits requiring high precision.
- 4mA to 20mA Current Loop Transmitters: Applied in current loop transmitter circuits for industrial control systems.
Q & A
- What is the typical input offset voltage of the LT1014DIDWR at 25°C?
The typical input offset voltage is 300 µV at 25°C.
- What is the temperature coefficient of the input offset voltage?
The temperature coefficient of the input offset voltage is 2.5 µV/°C max.
- Can the LT1014DIDWR operate on a single supply voltage?
- What is the maximum supply current of the LT1014DIDWR at 25°C?
The maximum supply current is 0.55 mA at 25°C.
- What is the peak-to-peak equivalent input noise voltage of the LT1014DIDWR?
The peak-to-peak equivalent input noise voltage is 0.55 µV from 0.1 Hz to 10 Hz.
- Is the LT1014DIDWR pin-compatible with other industry-standard op-amps?
- What are some common applications of the LT1014DIDWR?
- What is the common-mode input voltage range of the LT1014DIDWR?
- What is the output low voltage of the LT1014DIDWR with no load at 25°C?
- What is the equivalent input noise current of the LT1014DIDWR?
