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ADR512W

Analog Devices
Part Number ADR512W
Manufacturer Analog Devices
Description 1.2V Precision Low Noise Shunt Voltage Reference
Published Sep 17, 2023
Detailed Description 1.2 V Precision Low Noise Shunt Voltage Reference ADR512W FEATURES Precision 1.200 V voltage reference Ultracompact 3-l...
Datasheet PDF File ADR512W PDF File

ADR512W
ADR512W

Overview
1.
2 V Precision Low Noise Shunt Voltage Reference ADR512W FEATURES Precision 1.
200 V voltage reference Ultracompact 3-lead SOT-23 package No external capacitor required Low output noise: 4 µV p-p (0.
1 Hz to 10 Hz) Initial accuracy: ±0.
67% maximum Temperature coefficient: 60 ppm/°C maximum Operating current range: 100 µA to 10 mA Output impedance: 0.
3 Ω maximum Temperature range: −40°C to +85°C Qualified for automotive applications APPLICATIONS Automotive systems Precision data acquisition systems Microcontroller reference voltage GENERAL DESCRIPTION Designed for space critical applications, the ADR512W is a low voltage (1.
200 V), precision shunt-mode voltage reference in the ultracompact SOT-23 package.
The ADR512W features low temperature drift (60 ppm/°C), high accuracy (±0.
67%), and ultralow noise (4 µV p-p) performance.
The ADR512W’s advanced design eliminates the need for an external capacitor, yet it is stable with any capacitive load.
The VS PIN CONFIGURATION ADR512W V+ 1 3 TRIM/NC V– 2 TOP VIEW (Not to Scale) NC = NO CONNECT.
DO NOT CONNECT TO THIS PIN.
Figure 1.
3-Lead SOT-23 09938-001 minimum operating current increases from a scant 100 µA to a maximum of 10 mA.
A TRIM terminal is available on the ADR512W to provide adjustment of the output voltage over ±0.
5% without affecting the temperature coefficient of the device.
This feature provides users with the flexibility to trim out any system errors.
IL + IQ RBIAS AD512W IQ IL VOUT = 1.
2V COUT (OPTIONAL) RBIAS = VS – VOUT IL + IQ Figure 2.
Typical Operating Circuit 09938-002 Rev.
0 Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice.
No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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