Overview
The ADR3525WBRMZ-R7 is a low-cost, low-power, high-precision CMOS voltage reference IC produced by Analog Devices Inc. This component is part of the ADR35xx series, which features a maximum temperature coefficient (TC) of 5 ppm/°C (B grade) and 8 ppm/°C (A grade). It is designed to provide a stable and accurate 2.5V reference voltage, making it suitable for a wide range of applications that require precise voltage referencing.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | VIN = 2.7 V to 5.5 V, IL = 0 mA, TA = 25°C | 2.4975 | 2.500 | 2.5025 | V |
| Initial Output Voltage Error | VOERR | VIN = 2.7 V to 5.5 V, IL = 0 mA, TA = 25°C | ±0.1% | ±2.5 mV | ||
| Temperature Coefficient | TCVOUT | −40°C ≤ TA ≤ +125°C | A Grade: 2.5 | A Grade: 8 ppm/°C B Grade: 5 ppm/°C | ppm/°C | |
| Line Regulation | ΔVOUT/ΔVIN | VIN = 2.7 V to 5.5 V | 5 | 50 ppm/V | ||
| Load Regulation | ΔVOUT/ΔIL | Sourcing IL = 0 mA to 10 mA, VIN = 3.0 V, −40°C ≤ TA ≤ +125°C | 10 | 30 ppm/mA | ||
| Operating Temperature Range | TA | −40°C | +125°C | °C | ||
| Supply Voltage | VIN | 2.7 V | 5.5 V | V | ||
| Supply Current | ISUPPLY | VIN = 2.7 V to 5.5 V | 100 µA | µA |
Key Features
- Fixed 2.5V output voltage with high accuracy (±0.1% tolerance)
- Low temperature coefficient of 5 ppm/°C (B grade) and 8 ppm/°C (A grade)
- Low noise of 25µVp-p (0.1Hz to 10Hz) and 46µVrms (10Hz to 10kHz)
- Wide input voltage range of 2.7V to 5.5V
- Low supply current of 100µA
- Wide operating temperature range of −40°C to +125°C
- Automotive-grade quality (AEC-Q100 qualified)
- Small 8-lead MSOP package
- Digital trimming using Analog Devices' patented DigiTrim® technology for high accuracy
Applications
- Industrial and factory automation
- Automotive electronics
- Instrumentation and measurement equipment
- Medical devices
- Power supplies and regulators
- Analog-to-digital converters (ADCs)
- Sensor conditioning circuits
Q & A
- What is the output voltage of the ADR3525WBRMZ-R7?
The output voltage is 2.5V with a tolerance of ±0.1%. - What is the temperature coefficient of the ADR3525WBRMZ-R7?
The temperature coefficient is 5 ppm/°C (B grade) and 8 ppm/°C (A grade). - What is the input voltage range for the ADR3525WBRMZ-R7?
The input voltage range is 2.7V to 5.5V. - What is the operating temperature range of the ADR3525WBRMZ-R7?
The operating temperature range is −40°C to +125°C. - Is the ADR3525WBRMZ-R7 automotive-grade qualified?
Yes, it is AEC-Q100 qualified. - What is the package type of the ADR3525WBRMZ-R7?
The package type is an 8-lead MSOP. - What technology is used for trimming the output voltage and temperature coefficient?
Analog Devices' patented DigiTrim® technology is used. - What are some typical applications for the ADR3525WBRMZ-R7?
Typical applications include industrial and factory automation, automotive electronics, instrumentation and measurement equipment, medical devices, power supplies and regulators, and sensor conditioning circuits. - What is the supply current of the ADR3525WBRMZ-R7?
The supply current is typically 100µA. - Is the ADR3525WBRMZ-R7 currently in production?
Yes, the ADR3525WBRMZ-R7 is an active product and is currently in production.
