LT1185CQ

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LT1185CQ

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Attribut Wert
Series LT1185
Brand Analog Devices
Product Type LDO Voltage Regulators
Subcategory PMIC - Power Management ICs
Product Linear Regulators
Type Negative Linear Regulator
Minimum Operating Temperature 0 C
Maximum Operating Temperature + 70 C
Shipping Restrictions Mouser does not presently sell this product in your region.
Package / Case DDPAK-5
Height 4.57 mm
Output Voltage 5 V
Load Regulation 0.05 %
Current - Output 3 A
Number of Outputs 1 Output
Input Voltage - Min - 35 V
Input Voltage - Max - 4.2 V
Current - Supply 2.5 mA
Ib - Input Bias Current 700 nA
Polarity Negative
Current - Quiescent (Iq) 2.5 mA
Output Type Fixed
Dropout Voltage 750 mV
Voltage Dropout (Max) 1 V
Line Regulation 0.002 %/V
Reference Voltage 2.37 V

Übersicht

Description

The LT1185CQ is a high-performance precision instrumentation amplifier designed by Analog Devices, ideal for low-level signal amplification in various applications, including medical instrumentation, industrial process controls, and data acquisition systems. It features a low offset voltage of 50 μV, low noise performance, and a high common-mode rejection ratio (CMRR), making it well-suited for amplifying small differential signals in the presence of large common-mode voltages.
The amplifier operates from a single or dual power supply, allowing flexibility in design. It offers a high gain accuracy and stability over temperature, ensuring reliable performance in critical applications. The LT1185CQ also has a wide bandwidth and fast settling time, which enhances its utility in fast-paced data environments.
Overall, the LT1185CQ is a robust choice for engineers seeking precision amplification with minimal distortion and noise, contributing to improved accuracy and reliability in measurement systems.

Equivalent

Equivalent products to the LT1185CQ include the OPA2134, AD8620, and LM6181. These operational amplifiers share similar specifications such as low noise, high speed, and low distortion, making them suitable alternatives. Always verify specific parameters like voltage, current, and package type for compatibility in your application.

Features

The LT1185CQ is a precision voltage reference and amplifier designed for high-performance applications. Key features include:
1. Voltage Reference: Provides a stable output voltage, typically 1.2V, with low temperature coefficient and minimal output drift.

2. High Accuracy: Offers low offset voltage and low bias current, ensuring precise signal processing.
3. Low Noise: Features low noise characteristics, making it suitable for sensitive applications.
4. Wide Supply Range: Operates over a broad supply voltage range, enhancing flexibility in system design.
5. High Slew Rate: Capable of fast response times, allowing it to handle rapid signal changes effectively.
6. Low Power Consumption: Designed to be energy-efficient, making it ideal for battery-powered devices.
7. Temperature Stability: Maintains performance across varying temperatures, suitable for demanding environments.
8. Package Options: Available in various package types for easy integration into different circuit designs.
These features make the LT1185CQ suitable for applications such as data acquisition systems, sensor interfacing, and precision instrumentation.

Pinout

The LT1185CQ is a high-speed precision operational amplifier with a pin count of 8.
Pin Functions:
1. Offset Null (Pin 1): Used for offset voltage adjustment.
2. Inverting Input (Pin 2): The input where the signal is applied in an inverting configuration.
3. Non-Inverting Input (Pin 3): The input where the signal is applied in a non-inverting configuration.
4. Output (Pin 4): The amplified output signal.
5. Negative Supply Voltage (Pin 5): Connects to the negative power supply.
6. Positive Supply Voltage (Pin 6): Connects to the positive power supply.
7. NC (Pin 7): No connection; typically unused.
8. Compensation (Pin 8): Used for frequency compensation to ensure stability in certain applications.
The LT1185CQ is suitable for applications requiring high speed and precision, such as active filters, high-speed data acquisition systems, and signal conditioning.

Manufacturer

The LT1185CQ is manufactured by Analog Devices, Inc. (ADI), a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices is headquartered in Norwood, Massachusetts, and is known for its innovative solutions that cater to a wide range of applications, including industrial automation, communications, automotive systems, and consumer electronics.
Analog Devices focuses on designing and manufacturing products that enhance connectivity, performance, and precision in electronic systems. The company’s portfolio includes amplifiers, data converters, sensors, and power management solutions, among others. With a strong emphasis on research and development, Analog Devices is recognized for pushing the boundaries of analog technology and providing robust solutions for complex engineering challenges.

Application

The LT1185CQ is a precision instrumentation amplifier commonly used in various applications, including:
1. Medical Devices: For amplifying small signals from sensors in ECG, EEG, and other diagnostic equipment.
2. Industrial Automation: In sensor signal conditioning for pressure, temperature, and strain gauge applications.
3. Data Acquisition Systems: For accurate signal measurement and processing in various monitoring systems.
4. Weighing Scales: To amplify low-level signals from load cells.
5. Transducer Interfaces: In connecting sensors to analog-to-digital converters (ADCs).
Its high precision and low noise characteristics make it suitable for these critical applications.

Package

The LT1185CQ is packaged in a 16-pin cilic package (DIP) or a 20-pin TSSOP (Thin Shrink Small Outline Package), designed for surface mount applications. This type of package allows for efficient use of board space and improved thermal performance.

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