Overview
The REF195FSZ-REEL is a precision micropower, low dropout voltage reference from Analog Devices Inc. It is part of the REF19x series, which utilizes a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors. This design ensures a very low temperature coefficient and high initial accuracy. The device is suitable for applications requiring stable output voltage with minimal power consumption.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (VO) | IOUT = 0 mA | 4.995 | 5.0 | 5.005 | V |
| Initial Accuracy | IOUT = 0 mA | - | - | ±2 mV | - |
| Supply Current | No load | - | - | 45 μA | - |
| Supply Current in Sleep Mode | No load | - | - | 15 μA | - |
| Line Regulation (ΔVO/ΔVIN) | 3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA | - | - | 4 ppm/V | - |
| Load Regulation (ΔVO/ΔILOAD) | VS = 5.0 V, 0 mA ≤ IOUT ≤ 25 mA | - | - | 4 ppm/mA | - |
| Temperature Coefficient (TCVO) | IOUT = 0 mA | - | - | 10 ppm/°C | - |
| Operating Temperature Range | - | -40°C | - | +85°C | °C |
| Package Type | - | - | - | 8-Lead SOIC | - |
Key Features
- Precision micropower operation with low dropout voltage, allowing stable output voltage from supplies as low as 100 mV above the output voltage.
- High initial accuracy and low temperature coefficient due to patented temperature drift curvature correction circuit and laser trimming of thin-film resistors.
- Low supply current of less than 45 μA and reduced to less than 15 μA in sleep mode.
- High output current capability of up to 30 mA.
- Short-circuit protection and low dropout voltage.
- Line and load regulation specifications include the effect of self-heating.
- Extended industrial temperature range operation from −40°C to +85°C.
Applications
- Portable instruments.
- ADCs and DACs.
- Smart sensors.
- Solar-powered applications.
- Loop-current-powered instruments.
- Automotive applications due to its extended temperature range.
Q & A
- What is the output voltage of the REF195FSZ-REEL?
The output voltage of the REF195FSZ-REEL is 5.0V with an initial accuracy of ±2 mV.
- What is the supply current of the REF195FSZ-REEL in normal operation?
The supply current is less than 45 μA.
- How does the sleep mode affect the supply current?
In sleep mode, the supply current is reduced to less than 15 μA.
- What is the temperature coefficient of the REF195FSZ-REEL?
The temperature coefficient is typically 10 ppm/°C.
- What are the package options available for the REF195FSZ-REEL?
The REF195FSZ-REEL is available in an 8-Lead SOIC package.
- What are some typical applications of the REF195FSZ-REEL?
Typical applications include portable instruments, ADCs and DACs, smart sensors, solar-powered applications, and loop-current-powered instruments.
- What is the operating temperature range of the REF195FSZ-REEL?
The operating temperature range is from −40°C to +85°C.
- Does the REF195FSZ-REEL have short-circuit protection?
Yes, the REF195FSZ-REEL includes short-circuit protection.
- What is the maximum output current of the REF195FSZ-REEL?
The maximum output current is up to 30 mA.
- Is the REF195FSZ-REEL suitable for automotive applications?
Yes, it is suitable for automotive applications due to its extended temperature range and reliability.
