Overview
The REF198GRUZ is a precision micropower, low dropout voltage reference from Analog Devices Inc. This device is part of the REF19x series, known for its high accuracy and stability over a wide temperature range. It is designed to provide a stable output voltage from supplies as low as 100 mV above the output voltage, making it suitable for various applications requiring precise voltage referencing.
The REF198GRUZ features a patented temperature drift curvature correction circuit and laser-trimmed thin-film resistors, which ensure a very low temperature coefficient and high initial accuracy. This component is ideal for use in automotive, industrial, and other applications where reliable and precise voltage referencing is critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Reference Type | Series | |
| Output Type | Fixed | |
| Output Voltage | 4.096V | V |
| Tolerance | ±0.24% | |
| Temperature Coefficient | 25 ppm/°C | |
| Input Voltage Range | 4.5V ~ 15V | V |
| Output Current | 30 mA | mA |
| Supply Current | 45 µA | µA |
| Supply Current in Sleep Mode | 15 µA | µA |
| Noise (0.1Hz to 10Hz) | 40 µVp-p | µVp-p |
| Operating Temperature Range | -40°C ~ 85°C | °C |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
Key Features
- Precision Voltage Reference: Provides a stable output voltage of 4.096V with high initial accuracy and low temperature coefficient.
- Low Dropout Voltage: Operates with supplies as low as 100 mV above the output voltage.
- Micropower Consumption: Low supply current of 45 µA and reduced to 15 µA in sleep mode.
- High Output Current: Capable of delivering up to 30 mA of output current.
- Low Noise: Low noise performance with 40 µVp-p noise in the 0.1Hz to 10Hz range.
- Extended Temperature Range: Specified over -40°C to +85°C, with typical performance up to +125°C.
- Sleep Mode: Reduces power consumption by turning off the output and lowering supply current when enabled.
Applications
- Automotive Systems: Suitable for use in automotive applications due to its extended temperature range and high reliability.
- Industrial Control Systems: Used in industrial control systems where precise voltage referencing is essential.
- Medical Devices: Applicable in medical devices requiring stable and accurate voltage references.
- Consumer Electronics: Can be used in various consumer electronic devices needing reliable voltage references.
Q & A
- What is the output voltage of the REF198GRUZ?
The output voltage of the REF198GRUZ is 4.096V.
- What is the tolerance of the REF198GRUZ?
The tolerance of the REF198GRUZ is ±0.24%.
- What is the temperature coefficient of the REF198GRUZ?
The temperature coefficient of the REF198GRUZ is 25 ppm/°C.
- What is the input voltage range for the REF198GRUZ?
The input voltage range for the REF198GRUZ is 4.5V to 15V.
- How much output current can the REF198GRUZ deliver?
The REF198GRUZ can deliver up to 30 mA of output current.
- What is the supply current of the REF198GRUZ in normal operation and sleep mode?
The supply current is 45 µA in normal operation and reduces to 15 µA in sleep mode.
- What is the operating temperature range of the REF198GRUZ?
The operating temperature range of the REF198GRUZ is -40°C to +85°C.
- What package type is the REF198GRUZ available in?
The REF198GRUZ is available in an 8-TSSOP package.
- Does the REF198GRUZ have a sleep mode?
Yes, the REF198GRUZ has a sleep mode that reduces power consumption by turning off the output and lowering supply current.
- What are some typical applications of the REF198GRUZ?
The REF198GRUZ is typically used in automotive, industrial control systems, medical devices, and consumer electronics.
