Overview
The REF192ES-REEL, produced by Analog Devices Inc., is a precision micropower, low dropout voltage reference IC. This device is part of the REF19x series, which utilizes a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.
The REF192ES-REEL is designed to provide a stable output voltage of 2.5V, making it suitable for a wide range of applications requiring precise voltage referencing. It operates over an extended industrial temperature range of −40°C to +85°C and can be used in more extreme conditions up to +125°C.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | IOUT = 0 mA | 2.046 | 2.048 | 2.050 | V |
| Initial Accuracy | IOUT = 0 mA | - | - | ±2 mV | - |
| Temperature Coefficient | - | - | - | 5 ppm/°C | - |
| Supply Current | No load | - | - | 45 μA | - |
| Sleep Mode Current | No load | - | - | 15 μA | - |
| Output Current | - | - | - | 30 mA | - |
| Line Regulation | 3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA | - | - | 4 ppm/V | - |
| Load Regulation | VS = 5.0 V, 0 mA ≤ IOUT ≤ 20 mA | - | - | 10 ppm/mA | - |
| Dropout Voltage | VS = 3.3 V, ILOAD = 10 mA | - | - | 1.25 V | - |
| Operating Temperature | - | -40°C | - | +85°C | - |
| Package | - | - | - | 8-Lead SOIC_N | - |
Key Features
- Precision Voltage Reference: Provides a stable output voltage of 2.5V with high initial accuracy (±2 mV max) and a low temperature coefficient (5 ppm/°C max).
- Micropower and Low Dropout Voltage: Consumes less than 45 μA of supply current and operates with a low dropout voltage, allowing stable output from supplies as low as 100 mV above the output voltage.
- Sleep Mode: Reduces supply current to less than 15 μA when the SLEEP pin is enabled, enhancing power efficiency.
- High Output Current: Capable of delivering up to 30 mA of output current.
- Line and Load Regulation: Excellent line and load regulation with specifications of 4 ppm/V and 10 ppm/mA, respectively.
- Short-Circuit Protection: Built-in protection against short-circuit conditions.
- RoHS Compliant: Lead-free and RoHS compliant, suitable for environmentally friendly designs.
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 smart sensor applications where high accuracy and stability are required.
- Solar Powered Applications: Appropriate for solar-powered systems due to its low power consumption and high efficiency.
- Loop-Current-Powered Instruments: Used in instruments powered by loop currents, where stable voltage references are crucial).
Q & A
- What is the output voltage of the REF192ES-REEL?
The output voltage of the REF192ES-REEL is 2.5V.
- What is the initial accuracy of the REF192ES-REEL?
The initial accuracy is ±2 mV maximum.
- What is the temperature coefficient of the REF192ES-REEL?
The temperature coefficient is 5 ppm/°C maximum.
- How much supply current does the REF192ES-REEL consume?
The REF192ES-REEL consumes less than 45 μA of supply current.
- What is the sleep mode current of the REF192ES-REEL?
In sleep mode, the supply current is reduced to less than 15 μA.
- What is the maximum output current of the REF192ES-REEL?
The maximum output current is 30 mA.
- What is the operating temperature range of the REF192ES-REEL?
The operating temperature range is −40°C to +85°C, with extended performance up to +125°C.
- Is the REF192ES-REEL RoHS compliant?
Yes, the REF192ES-REEL is lead-free and RoHS compliant.
- What package types are available for the REF192ES-REEL?
The REF192ES-REEL is available in an 8-Lead SOIC_N package.
- What are some common applications of the REF192ES-REEL?
Common applications include portable instruments, ADCs and DACs, smart sensors, solar powered applications, and loop-current-powered instruments).
