Overview
The LT1013CPE4 is a dual precision operational amplifier produced by Texas Instruments. This device is part of the LT1013x series, known for its high gain, low supply current, low noise, and low-offset-voltage temperature coefficient. The LT1013CPE4 can operate from a single 5-V power supply or dual ±15-V supplies, making it versatile for various applications. It features a common-mode input voltage range that includes ground, and the output can swing to within a few millivolts of ground, eliminating crossover distortion.
The device is characterized for operation from 0°C to 70°C, making it suitable for a wide range of industrial and commercial environments. Its low supply current and noise characteristics make it an excellent choice for precision analog circuits.
Key Specifications
| Parameter | Conditions | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | RS = 50 Ω, TA = 25°C | 250 | 60 | 550 | µV |
| Input Offset Current (IIO) | TA = 25°C | 0.3 | 0.2 | 5 | nA |
| Input Bias Current (IIB) | TA = 25°C | -18 | -15 | -45 | nA |
| Common-Mode Input Voltage Range (VICR) | Recommended range, TA = 25°C | 0 to 13.5 | -15 | 13.5 | V |
| Maximum Peak Output Voltage Swing (VOM) | RL = 600 Ω to GND, TA = 25°C | ±12.5 | ±11.5 | ±14 | V |
| Supply Current per Amplifier (ICC) | TA = 25°C | 0.32 | 0.32 | 0.5 | mA |
| Operating Temperature Range | 0°C to 70°C | °C |
Key Features
- Low Supply Current: Maximum of 0.5 mA per amplifier at TA = 25°C.
- Low Noise: Typical peak-to-peak noise voltage of 0.55 µV and current noise of 0.07 pA/√Hz.
- Phase Reversal Protection: Prevents phase reversal when the input common-mode voltage exceeds the supply voltage.
- High Gain: Large-signal differential voltage amplification of 1 V/µV.
- Wide Operating Temperature Range: Characterized for operation from 0°C to 70°C.
- Single or Dual Supply Operation: Can operate from a single 5-V supply or dual ±15-V supplies.
Applications
- Thermocouple Amplifiers: Suitable for amplifying low-level signals from thermocouples.
- Low-Side Current Measurement: Used in current sensing applications where precision is crucial.
- Instrumentation Amplifiers: Ideal for building high-precision instrumentation amplifiers.
Q & A
- What is the typical input offset voltage of the LT1013CPE4?
The typical input offset voltage is 250 µV at TA = 25°C.
- What is the maximum supply current per amplifier for the LT1013CPE4?
The maximum supply current per amplifier is 0.5 mA at TA = 25°C.
- Can the LT1013CPE4 operate from a single power supply?
- What is the common-mode input voltage range for the LT1013CPE4?
The common-mode input voltage range is from 0 to 13.5 V at TA = 25°C).
- What are the typical noise characteristics of the LT1013CPE4?
The device has a typical peak-to-peak noise voltage of 0.55 µV and current noise of 0.07 pA/√Hz).
- Does the LT1013CPE4 have phase reversal protection?
- What are the typical operating temperature ranges for the LT1013CPE4?
The device is characterized for operation from 0°C to 70°C).
- What are some common applications of the LT1013CPE4?
- What is the maximum peak output voltage swing for the LT1013CPE4?
- What is the input bias current of the LT1013CPE4?
