Overview
The LT1013CPG4 is a dual precision operational amplifier produced by Texas Instruments. This device is part of the LT1013x series, known for its high precision, low noise, and robust performance. The LT1013CPG4 can operate from a single 5-V power supply or dual ±15-V supplies, making it versatile for various applications. It features an input voltage range that extends to ground and an output that can swing to within a few millivolts of ground, eliminating crossover distortion. This amplifier is characterized for operation from 0°C to 70°C, making it suitable for a wide range of environmental conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | RS = 50 Ω, 25°C | 60 | 250 | 300 | µV |
| Input Offset Current (IIO) | 25°C | 0.2 | 1.3 | 1.5 | nA |
| Input Bias Current (IIB) | 25°C | -15 | -30 | -45 | nA |
| Common-Mode Input Voltage Range (VICR) | Recommended range, 25°C | 0 | 3.5 | V | |
| Maximum Peak Output Voltage Swing (VOM) | Output low, RL = 600 Ω to GND, 25°C | 5 | 10 | V | |
| Supply Current per Amplifier (ICC) | 25°C | 0.32 | 0.5 | 0.55 | mA |
| Large-Signal Differential Voltage Amplification (AVD) | VO = 5 mV to 4 V, RL = 500 Ω, 25°C | 1 | V/µV |
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, allowing for a wide range of input signals.
- Output Swing: Output can swing to within a few millivolts of ground while sinking current.
- Phase Reversal Protection: Prevents phase reversal issues.
- Low Offset Voltage: Maximum input offset voltage of 150 µV at 25°C for the LT1013AM.
- Low Drift: Offset-voltage temperature coefficient of 2 µV/°C maximum for the LT1013AM.
- High Gain: Minimum gain of 1.5 V/µV with RL = 2 kΩ for the LT1013AM.
- Low Supply Current: Maximum supply current of 0.5 mA per amplifier at 25°C.
- Low Noise: Typical peak-to-peak noise voltage of 0.55 µV and current noise of 0.07 pA/√Hz.
Applications
- Thermocouple Amplifiers: Suitable for precise temperature measurements.
- Low-Side Current Measurement: Ideal for current sensing applications.
- Instrumentation Amplifiers: Used in various instrumentation and measurement circuits.
Q & A
- What is the input offset voltage of the LT1013CPG4?
The input offset voltage is typically 250 µV at 25°C, with a maximum of 300 µV.
- Can the LT1013CPG4 operate from a single power supply?
- What is the common-mode input voltage range of the LT1013CPG4?
The common-mode input voltage range extends to ground, with a recommended range of 0 to 3.5 V at 25°C.
- What is the maximum peak output voltage swing of the LT1013CPG4?
The maximum peak output voltage swing is 10 V for output low with RL = 600 Ω to GND at 25°C.
- What is the supply current per amplifier for the LT1013CPG4?
The supply current per amplifier is typically 0.5 mA at 25°C, with a maximum of 0.55 mA.
- What are the key features of the LT1013CPG4 in terms of noise performance?
The LT1013CPG4 has a typical peak-to-peak noise voltage of 0.55 µV and a current noise of 0.07 pA/√Hz.
- What are some common applications of the LT1013CPG4?
- What is the temperature range for the LT1013CPG4?
- Does the LT1013CPG4 have phase reversal protection?
- What is the large-signal differential voltage amplification of the LT1013CPG4?
