Overview
The REF194GS-REEL is a precision voltage reference component produced by Analog Devices Inc. This device is part of the REF19x series, known for its high stability, low power consumption, and compact design, making it ideal for space-constrained applications. The REF194GS-REEL provides a stable output voltage of 4.5V and is housed in an 8-lead SOIC package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part # | REF194GS-REEL | |
| Package/Case | SOIC-8 | |
| Output Voltage | 4.5 V | V |
| Shunt Current - Max | 30 mA | mA |
| Minimum Operating Temperature | -40°C | °C |
| Maximum Operating Temperature | +85°C | °C |
| Accuracy | ±2 mV (Initial Accuracy) | mV |
| Temperature Coefficient | 2-25 ppm/°C (depending on grade) | ppm/°C |
| Input Voltage Range | 4.75 V to 15 V | V |
| Supply Current | 45 μA (no load), 15 μA (sleep mode) | μA |
| Load Regulation | 4-20 ppm/mA | ppm/mA |
| Line Regulation | 5-20 ppm/V | ppm/V |
Key Features
- High Stability: The REF194GS-REEL features a low temperature coefficient, ensuring stable output voltage across a wide temperature range.
- Low Power Consumption: It operates with a supply current of 45 μA and reduces to 15 μA in sleep mode.
- Low Dropout Voltage: The device can operate with supplies as low as 100 mV above the output voltage.
- High Output Current: Capable of delivering up to 30 mA of output current.
- Compact Design: Housed in an 8-lead SOIC package, making it suitable for space-constrained designs.
- Short-Circuit Protection: Built-in protection against short circuits.
- Sleep Mode: Reduces power consumption by turning off the output when a low TTL or CMOS level is applied to the SLEEP pin.
Applications
- Portable Instruments: Ideal for battery-powered devices due to its low power consumption.
- ADCs and DACs: Provides a stable reference voltage for analog-to-digital and digital-to-analog converters.
- Smart Sensors: Suitable for sensor applications requiring high accuracy and stability.
- Solar Powered Applications: Low power requirements make it suitable for solar-powered systems.
- Loop-Current-Powered Instruments: Can be used in instruments powered by loop currents.
Q & A
- What is the output voltage of the REF194GS-REEL?
The output voltage of the REF194GS-REEL is 4.5V.
- What is the maximum operating temperature of the REF194GS-REEL?
The maximum operating temperature is +85°C.
- What is the minimum operating temperature of the REF194GS-REEL?
The minimum operating temperature is -40°C.
- What is the supply current of the REF194GS-REEL in normal operation?
The supply current is 45 μA.
- What is the supply current in sleep mode?
The supply current in sleep mode is 15 μA.
- What is the maximum output current of the REF194GS-REEL?
The maximum output current is 30 mA.
- What is the temperature coefficient of the REF194GS-REEL?
The temperature coefficient ranges from 2 to 25 ppm/°C depending on the grade.
- What is the input voltage range for the REF194GS-REEL?
The input voltage range is from 4.75 V to 15 V.
- Does the REF194GS-REEL have short-circuit protection?
Yes, it has built-in short-circuit protection.
- What is the package type of the REF194GS-REEL?
The package type is 8-lead SOIC.
