Overview
The REF198ES from Analog Devices Inc. is a precision micropower, low dropout voltage reference IC. This device is part of the REF19x series, known for its high initial accuracy and low temperature coefficient. The REF198ES provides a stable output voltage of 4.096V with a tolerance of ±0.05%. It is designed to operate with low supply current and features a sleep mode to further reduce power consumption. The device is suitable for various applications requiring precise voltage referencing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 4.096V | V |
| Tolerance | ±0.05% | % |
| Output Current | 30 mA | mA |
| Temperature Coefficient | 5 ppm/°C | ppm/°C |
| Initial Accuracy | ±2 mV Max | mV |
| Supply Current | 45 µA Max | µA |
| Sleep Mode Current | 15 µA Max | µA |
| Line Regulation | 4 ppm/V | ppm/V |
| Load Regulation | 4 ppm/mA | ppm/mA |
| Operating Temperature | -40°C to +85°C | °C |
| Package/Case | 8-SOIC | - |
| Noise (0.1Hz to 10Hz) | 40 µV p-p | µV p-p |
Key Features
- High initial accuracy: ±2 mV Max
- Low temperature coefficient: 5 ppm/°C Max
- Low supply current: 45 µA Max
- Sleep mode: 15 µA Max
- Low dropout voltage
- High output current: 30 mA
- Short-circuit protection
- Line and load regulation: 4 ppm/V and 4 ppm/mA respectively
Applications
- Portable instruments
- ADCs and DACs
- Smart sensors
- Solar powered applications
- Loop-current-powered instruments
Q & A
- What is the output voltage of the REF198ES?
The output voltage of the REF198ES is 4.096V with a tolerance of ±0.05%.
- What is the temperature coefficient of the REF198ES?
The temperature coefficient of the REF198ES is 5 ppm/°C Max.
- What is the maximum supply current of the REF198ES?
The maximum supply current of the REF198ES is 45 µA.
- Does the REF198ES have a sleep mode?
- What is the maximum output current of the REF198ES?
The maximum output current of the REF198ES is 30 mA.
- What is the operating temperature range of the REF198ES?
The operating temperature range of the REF198ES is -40°C to +85°C.
- What package type is the REF198ES available in?
The REF198ES is available in an 8-SOIC package.
- Does the REF198ES require any external components for proper operation?
- What are some typical applications of the REF198ES?
Typical applications include portable instruments, ADCs and DACs, smart sensors, solar powered applications, and loop-current-powered instruments.
- Is the REF198ES RoHS compliant?
No, the REF198ES is not RoHS compliant as it contains lead.
