Overview
The LT1013DP, produced by Texas Instruments, is a dual precision operational amplifier that offers high performance and versatility. This device is part of the LT1013x series, which is known for its single-supply operation, low noise, and high gain. The LT1013DP can operate from a single 5-V power supply or dual ±15-V supplies, making it suitable for a wide range of applications. The input voltage range extends to ground, and the output can swing to within a few millivolts of ground, eliminating crossover distortion. This operational amplifier is characterized for operation from 0°C to 70°C, making it reliable in various environmental conditions.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | RS = 50 Ω, 25°C | 60 | 300 | 400 | µV |
| Temperature Coefficient of Input Offset Voltage (αVIO) | Full range | 0.4 | 2.5 | µV/°C | |
| Input Offset Current (IIO) | 25°C | 0.2 | 1.5 | 2.8 | nA |
| Input Bias Current (IIB) | 25°C | -15 | -30 | -38 | nA |
| Common-Mode Input Voltage Range (VICR) | Recommended range, 25°C | -15 | - | 13.5 | V |
| Maximum Peak Output Voltage Swing (VOM) | RL = 2 kΩ, 25°C | ±12.5 | - | ±14 | V |
| Supply Current per Amplifier (ICC) | 25°C | 0.32 | 0.5 | 0.55 | mA |
Key Features
- Single-Supply Operation: Can operate from a single 5-V power supply or dual ±15-V supplies.
- Input Voltage Range: Extends to ground.
- Output Swing: Output can swing to within a few millivolts of ground while sinking current.
- Phase Reversal Protection: Protects against phase reversal.
- Low Noise: Low peak-to-peak noise voltage (0.55 µV typical) and low current noise (0.07 pA/√Hz typical).
- High Gain: Minimum gain of 1.5 V/µV (RL = 2 kΩ) for LT1013AM.
- Low Supply Current: Maximum supply current of 0.5 mA at TA = 25°C for LT1013AM.
- Low Offset Voltage and Drift: Maximum input offset voltage of 150 µV at 25°C and a temperature coefficient of 2 µV/°C for LT1013AM.
Applications
- Thermocouple Amplifiers: Suitable for precise temperature measurements.
- Low-Side Current Measurement: Ideal for measuring current in low-side configurations.
- Instrumentation Amplifiers: Used in various instrumentation applications requiring high precision and low noise.
Q & A
- What is the input voltage range of the LT1013DP?
The input voltage range extends to ground, allowing for single-supply operation and including ground in the common-mode input voltage range.
- Can the LT1013DP operate with a single power supply?
- What is the maximum input offset voltage of the LT1013DP?
The maximum input offset voltage is 400 µV at 25°C.
- What is the typical supply current per amplifier for the LT1013DP?
The typical supply current per amplifier is 0.5 mA at 25°C.
- What are the key applications of the LT1013DP?
The LT1013DP is suitable for thermocouple amplifiers, low-side current measurement, and instrumentation amplifiers.
- Does the LT1013DP have phase reversal protection?
- What is the maximum peak output voltage swing of the LT1013DP?
The maximum peak output voltage swing is ±14 V with RL = 2 kΩ at 25°C.
- What is the temperature coefficient of the input offset voltage for the LT1013DP?
The temperature coefficient of the input offset voltage is 2.5 µV/°C maximum.
- What are the package options available for the LT1013DP?
The LT1013DP is available in SOIC (8 pins) and PDIP (8 pins) packages.
- What is the junction-to-ambient thermal resistance for the SOIC package of the LT1013DP?
The junction-to-ambient thermal resistance for the SOIC package is 101.6 °C/W.
