Overview
The LT1013DDRE4 is a dual precision operational amplifier produced by Texas Instruments. This device is part of the LT1013 series, known for its high gain, low supply current, low noise, and low offset voltage temperature coefficient. The LT1013DDRE4 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.
Key Specifications
| Parameter | Typical Value | Maximum Value | Units |
|---|---|---|---|
| Input Offset Voltage (Vos) @ 25°C | 0.8 | 0.8 | mV |
| Input Bias Current (Max) | 30,000 | 30,000 | pA |
| Supply Current per Channel (Typ/Max) | 0.35 / 0.55 | 0.35 / 0.55 | mA |
| Gain-Bandwidth Product (Typ) | 0.7 | 0.7 | MHz |
| Slew Rate (Typ) | 0.4 | 0.4 | V/μs |
| Common-Mode Rejection Ratio (CMRR) (Typ/Min) | 114 / 97 | 114 / 97 | dB |
| Output Current (Typ) | 25 | 25 | mA |
| Operating Temperature Range | -40 to 105°C | -40 to 105°C | °C |
| Package Group | SOIC-8 | SOIC-8 | |
| Total Supply Voltage (Min/Max) | 4 / 44 | 4 / 44 | V |
Key Features
- High Precision: Low input offset voltage and low offset voltage temperature coefficient.
- Low Supply Current: Maximum supply current of 0.55 mA per channel.
- Low Noise: Low peak-to-peak noise voltage and low current noise.
- Wide Operating Range: Can operate from a single 5-V power supply or dual ±15-V supplies.
- Ground-Sensing Capability: Common-mode input voltage range includes ground, and output can swing to within a few millivolts of ground.
- Phase Reversal Protection: Protects against phase reversal.
- Compact Packaging: Available in SOIC-8 and PDIP-8 packages.
Applications
- Thermocouple Amplifiers: Suitable for amplifying thermocouple signals due to its high precision and low noise.
- Low-Side Current Measurement: Can be used in current sensing applications where precision is crucial.
- Instrumentation Amplifiers: Ideal for building instrumentation amplifiers requiring high gain and low noise.
- General Analog Signal Processing: Applicable in various analog signal processing tasks requiring precision and low power consumption.
Q & A
- What is the typical input offset voltage of the LT1013DDRE4?
The typical input offset voltage is 0.8 mV at 25°C.
- What is the maximum supply current per channel for the LT1013DDRE4?
The maximum supply current per channel is 0.55 mA.
- What is the gain-bandwidth product of the LT1013DDRE4?
The gain-bandwidth product is typically 0.7 MHz.
- What is the common-mode rejection ratio (CMRR) of the LT1013DDRE4?
The CMRR is typically 114 dB and minimum 97 dB.
- What is the operating temperature range of the LT1013DDRE4?
The operating temperature range is -40°C to 105°C.
- What packages are available for the LT1013DDRE4?
The device is available in SOIC-8 and PDIP-8 packages.
- Can the LT1013DDRE4 operate from a single power supply?
Yes, it can operate from a single 5-V power supply or dual ±15-V supplies.
- What is the output current capability of the LT1013DDRE4?
The output current is typically 25 mA.
- Does the LT1013DDRE4 have phase reversal protection?
Yes, it has phase reversal protection.
- What are some common applications of the LT1013DDRE4?
Common applications include thermocouple amplifiers, low-side current measurement, instrumentation amplifiers, and general analog signal processing.
