Overview
The REF192ES is a precision voltage reference chip designed by Analog Devices, Inc. It is part of the REF19x series and is known for its low drift, high stability, and excellent line and load regulation. This device is particularly suited for applications requiring stable and accurate voltage references across a wide temperature range.
The REF192ES is ideal for use in industrial automation systems, data acquisition systems, and portable medical devices where accuracy and reliability are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Type | Series Precision References | |
| Brand | Analog Devices | |
| Package / Case | SOIC-8 | |
| Voltage - Input | 3V to 15V | |
| Voltage - Output (Fixed) | 2.5V | |
| Current - Output | 30 mA | |
| Current - Supply | 45 μA (max) | |
| Supply Current in Sleep Mode | 15 μA (max) | |
| Temperature Coefficient | 5 ppm/°C (max) | |
| Operating Temperature | -40°C to +85°C | |
| Noise Voltage (0.1 Hz to 10 Hz) | 25 μV p-p | |
| Line Regulation | 4 ppm/V (E Grade), 8 ppm/V (F and G Grades) | |
| Load Regulation | 4 ppm/mA (E Grade), 10 ppm/mA (F and G Grades) |
Key Features
- Low Drift Voltage Reference: Provides reliable operation across a wide temperature range.
- High Stability: Offers excellent stability and minimizes noise in your circuit.
- Low Temperature Coefficient: Ensures consistent performance over a broad temperature range with a temperature coefficient of 5 ppm/°C.
- Low Quiescent Current: Designed for low power operation, with a maximum supply current of 45 μA and 15 μA in sleep mode.
- Wide Supply Range: Operates from 2.7V to 5.5V, allowing flexibility in your design.
- High Output Current: Capable of delivering up to 30 mA of output current.
- Low Dropout Voltage: Ensures stable output voltage from supplies as low as 100 mV above the output voltage.
- Short-Circuit Protection: Built-in protection against short circuits.
Applications
- Electronic Load Testers: Ideal for electronic load testers requiring a precise voltage reference.
- Battery Chargers: Suitable for battery chargers where high accuracy and reliability are essential.
- Battery Fuel Gauges: Used in battery fuel gauges to provide an accurate measurement of battery state-of-charge.
- Industrial Automation Systems: Suitable for use in industrial automation systems where stable voltage references are critical.
- Data Acquisition Systems: Ideal for data acquisition systems requiring accurate and stable voltage references.
- Portable Medical Devices: Used in portable medical devices where accuracy and reliability are paramount.
Q & A
- What is the REF192ES voltage reference used for?
The REF192ES is used in applications requiring stable and accurate voltage references, such as industrial automation systems, data acquisition systems, and portable medical devices.
- What is the operating temperature range of the REF192ES?
The REF192ES operates over a temperature range of -40°C to +85°C.
- What is the maximum output current of the REF192ES?
The REF192ES can deliver up to 30 mA of output current.
- What is the supply current of the REF192ES in normal and sleep modes?
The supply current is 45 μA in normal mode and 15 μA in sleep mode.
- What is the temperature coefficient of the REF192ES?
The temperature coefficient is 5 ppm/°C.
- What is the line regulation of the REF192ES?
The line regulation is 4 ppm/V for the E grade and 8 ppm/V for the F and G grades.
- What is the load regulation of the REF192ES?
The load regulation is 4 ppm/mA for the E grade and 10 ppm/mA for the F and G grades.
- Is the REF192ES still in production?
No, the REF192ES is obsolete and no longer manufactured.
- What package types are available for the REF192ES?
The REF192ES is available in an 8-lead SOIC package.
- What is the noise voltage of the REF192ES?
The noise voltage is 25 μV p-p from 0.1 Hz to 10 Hz.
