Overview
The LT1014, specifically the LT1014DDWE4, is a quad precision operational amplifier produced by Texas Instruments. This component is designed to offer high precision and reliability in various electronic circuits. It features a 14-pin industry-standard configuration, making it compatible with existing designs and layouts. The LT1014 is known for its low offset voltage, high gain, low supply current, and minimal noise, making it an excellent choice for applications requiring precise signal processing.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | R = 50 Ω, 25°C | 60 | 300 | 800 | µV |
| Input Offset Voltage Temperature Coefficient | Full range | 0.4 | 2.5 | 5 | µV/°C |
| Input Offset Current | 25°C | 0.15 | 1.5 | 1.5 | nA |
| Input Bias Current | 25°C | -12 | -30 | -30 | nA |
| Supply Current per Amplifier | 25°C | 0.35 | 0.55 | 0.55 | mA |
| Common-Mode Input Voltage Range | 25°C | 0 to 3.5 | -0.3 to 3.8 | -0.3 to 3.8 | V |
| Output Low, No Load | 25°C | 15 | 25 | 25 | mV |
| Equivalent Input Noise Voltage | f = 10 Hz | 24 | 22 | nV/√Hz | |
| Peak-to-Peak Equivalent Input Noise Voltage | f = 0.1 Hz to 10 Hz | 0.55 | µV |
Key Features
- Low Offset Voltage: The LT1014 features a low input offset voltage of 300 µV max at 25°C, ensuring high precision in signal processing.
- High Gain: With a gain of 1.2 V/µV min (RL = 2 kΩ), this amplifier provides high voltage gain.
- Low Supply Current: The amplifier has a low supply current of 2.2 mA max at 25°C, making it energy-efficient.
- Low Noise: It offers low peak-to-peak noise voltage of 0.55 µV typ and low current noise of 0.07 pA/√Hz typ.
- Single-Supply Operation: The input voltage range extends to ground, and the output swings to ground while sinking current.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of 117 dB, it provides excellent rejection of common-mode signals.
- Wide Operating Temperature Range: Available in various temperature grades, including 0°C to 70°C, -40°C to 105°C, and -55°C to 125°C.
Applications
- Precision Signal Processing: Ideal for applications requiring high precision, such as medical devices, test and measurement equipment, and industrial control systems.
- Audio and Video Equipment: Suitable for use in audio and video circuits where low noise and high fidelity are crucial.
- Automotive Systems: Can be used in automotive electronics due to its robust temperature range and reliability.
- Industrial Automation: Applicable in various industrial automation and control systems where precision and reliability are essential.
Q & A
- What is the typical input offset voltage of the LT1014 at 25°C?
The typical input offset voltage is 300 µV max at 25°C.
- What is the maximum supply current per amplifier for the LT1014?
The maximum supply current per amplifier is 0.55 mA at 25°C.
- Can the LT1014 operate on a single power supply?
- What is the common-mode rejection ratio (CMRR) of the LT1014?
The CMRR is 117 dB.
- What are the operating temperature ranges available for the LT1014?
The LT1014 is available in various temperature grades, including 0°C to 70°C, -40°C to 105°C, and -55°C to 125°C.
- How much load current can the LT1014 source and sink?
The LT1014 can source and sink in excess of 20 mA of load current while retaining high voltage gain.
- What is the peak-to-peak equivalent input noise voltage of the LT1014?
The peak-to-peak equivalent input noise voltage is 0.55 µV typ from 0.1 Hz to 10 Hz.
- What is the slew rate of the LT1014?
The slew rate is 0.2 to 0.4 V/µs.
- Is the LT1014 suitable for use in automotive systems?
- What is the differential input resistance of the LT1014?
The differential input resistance is 70 to 300 MΩ.
