Overview
The REF192GSZ-REEL is a precision micropower, low dropout voltage reference from Analog Devices Inc., part of the REF19x series. This device is designed to provide a highly stable output voltage with minimal temperature drift and low power consumption. The REF192GSZ-REEL is particularly suited for applications requiring high accuracy and reliability over a wide temperature range.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Initial Accuracy | IOUT = 0 mA | 2.498 | 2.500 | 2.502 | V |
| Temperature Coefficient | -40°C to +125°C | 5 ppm/°C | |||
| Supply Current | No load | 45 μA | |||
| Sleep Mode Current | No load | 15 μA | |||
| Line Regulation | 3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA | 4 ppm/V | |||
| Load Regulation | VS = 5.0 V, 0 mA ≤ IOUT ≤ 30 mA | 4 ppm/mA | |||
| Dropout Voltage | VS = 3.5 V, ILOAD = 10 mA | 1.00 V | |||
| Output Current | 30 mA | ||||
| Operating Temperature Range | -40°C | +125°C |
Key Features
- High Initial Accuracy: ±2 mV maximum at 25°C.
- Low Temperature Coefficient: 5 ppm/°C maximum.
- Low Supply Current: 45 μA maximum in normal operation and 15 μA in sleep mode.
- Low Dropout Voltage: Stable output voltage from supplies as low as 100 mV above the output voltage.
- High Output Current: Up to 30 mA.
- Sleep Mode: Reduces supply current to less than 15 μA when enabled.
- Short-Circuit Protection: Built-in protection against short circuits.
- Extended Temperature Range: Specified over -40°C to +85°C with typical performance up to +125°C.
Applications
- Portable Instruments: Ideal for battery-powered devices requiring stable voltage references.
- ADCs and DACs: Used in analog-to-digital and digital-to-analog converters for precise voltage referencing.
- Smart Sensors: Suitable for sensors that require stable and accurate voltage references.
- Solar Powered Applications: Efficient for systems powered by solar energy due to low power consumption.
- Loop-Current-Powered Instruments: Used in instruments powered by loop currents, ensuring stable operation.
- Automotive Applications: Meets the extended industrial temperature range requirements for automotive use.
Q & A
- What is the nominal output voltage of the REF192GSZ-REEL?
The nominal output voltage of the REF192GSZ-REEL is 2.5V.
- What is the maximum temperature coefficient of the REF192GSZ-REEL?
The maximum temperature coefficient is 5 ppm/°C.
- How much current does the REF192GSZ-REEL consume in normal operation?
The device consumes less than 45 μA of supply current in normal operation.
- What is the sleep mode current of the REF192GSZ-REEL?
In sleep mode, the supply current is reduced to less than 15 μA.
- What is the maximum output current of the REF192GSZ-REEL?
The maximum output current is 30 mA.
- What is the operating temperature range of the REF192GSZ-REEL?
The device operates over a temperature range of -40°C to +125°C.
- Does the REF192GSZ-REEL have short-circuit protection?
Yes, the device includes built-in short-circuit protection.
- What are some common applications of the REF192GSZ-REEL?
Common applications include portable instruments, ADCs and DACs, smart sensors, solar powered applications, and loop-current-powered instruments.
- What package types are available for the REF192GSZ-REEL?
The device is available in 8-lead SOIC, PDIP, and TSSOP packages.
- Is the REF192GSZ-REEL suitable for automotive applications?
Yes, it is specified over the extended industrial temperature range and meets requirements for automotive use.
