LTC1844ES5-2.5

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LTC1844ES5-2.5

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LDO Voltage Regulators LTC1844 - 150mA, Micropower, Low Noise, VLDO Linear Regulator

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Description

The LTC1844ES5-2.5 is a low-power, precision voltage reference from Analog Devices (Linear Technology).
### Key Features:
- Output Voltage: Fixed 2.5V with high accuracy (±0.4% max).
- Low Power: Consumes 20µA (typical), ideal for battery-powered applications.
- Low Dropout: Operates with just 300mV headroom.
- Stable: Low output noise and excellent temperature stability.
- Package: 5-pin SOT-23, compact for space-constrained designs.
### Applications:
- Portable devices
- Data converters (ADCs/DACs)
- Sensor interfaces
### Summary:
A reliable, low-power voltage reference for precision applications.

Equivalent

Equivalent products to the LTC1844ES5-2.5 (a 2.5V micropower voltage reference) include:
- MAX6125AASA25+ (Maxim Integrated)
- REF3025AIDBZT (Texas Instruments)
- LM4120AIM5-2.5 (Texas Instruments)
These alternatives offer similar low-power, precision 2.5V references in small packages. Check datasheets for exact specs like accuracy, temp range, and quiescent current to ensure compatibility.

Features

The LTC1844ES5-2.5 is a low-power, precision voltage reference with the following key features:
- Output Voltage: Fixed 2.5V
- High Accuracy: ±0.2% initial tolerance
- Low Power: 20µA typical supply current
- Low Dropout: Operates with <300mV headroom
- Wide Input Range: 2.7V to 12.6V
- Low Noise: 15µVp-p (0.1Hz to 10Hz)
- Stable with Capacitive Loads: No external capacitor needed
- Small Package: 5-Lead SOT-23
Ideal for battery-powered and precision applications.

Manufacturer

The LTC1844ES5-2.5 is manufactured by Linear Technology Corporation, now part of Analog Devices, Inc. after its acquisition in 2017.
Linear Technology was a leading semiconductor company specializing in high-performance analog integrated circuits, including power management, data conversion, and signal conditioning products. Known for innovation and reliability, its components are widely used in industrial, automotive, and communications applications.
Analog Devices (ADI) is a global leader in analog, mixed-signal, and DSP technologies, continuing Linear Technology's legacy. The LTC1844ES5-2.5 is a low-power, precision voltage reference, reflecting Linear's expertise in precision analog design.

Application

The LTC1844ES5-2.5 is a low-power, precision voltage reference with a fixed 2.5V output. Its key application areas include:
1. Portable Electronics – Power-sensitive devices like handheld meters or sensors.
2. Data Acquisition Systems – Ensures accurate ADC/DAC voltage references.
3. Battery-Powered Equipment – Ideal for low-current drain applications.
4. Industrial Controls – Provides stable references in harsh environments.
5. Medical Devices – Used in precision measurement circuits.
Its low quiescent current (12µA) and small SOT-23 package make it suitable for space-constrained designs.

Package

The LTC1844ES5-2.5 comes in a 5-lead SOT-23 (TSOT-23) package. This compact surface-mount package is suitable for space-constrained applications. The "ES5" in the part number indicates the SOT-23-5 variant. It is a fixed 2.5V output voltage regulator.

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