Datasheet > ADR3512

ADR3512

更新时间： 2024-11-26 14:58:19

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微功耗、高精度基准电压源

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ADR3512 数据手册

Data Sheet

ADR3512

Micropower, High Accuracy Voltage Reference

FEATURES

PIN CONFIGURATION

► Maximum temperature coefficient

► 4 ppm/°C (C grade, −40°C to +85°C)

► Low long-term drift (LTD): 30 ppm (initial 1 khr typical)

► Initial output voltage error: ±0.1% (maximum)

► Operating temperature range: −40°C to +125°C

► Output current: +10 mA source/−3 mA sink

► Low quiescent current: 100 µA (maximum)

► Low dropout voltage: 1.15 V at 2 mA

Figure 1. 8-Lead MSOP (RM-8 Suffix)

► Output voltage noise (0.1 Hz to 10 Hz): 8 µV p-p (typical)

► Qualified for automotive applications

APPLICATIONS

► Automotive battery monitors

► Portable instrumentation

► Process transmitters

► Remote sensors

► Medical instrumentation

GENERAL DESCRIPTION

The ADR3512 is a low cost, low power, high precision CMOS volt-

age reference, featuring a maximum temperature coefficient (TC) of

4 ppm/°C (C grade, −40°C to +85°C), low operating current, and

low output noise in an 8-lead MSOP package. For high accuracy,

the output voltage and temperature coefficient are trimmed digitally

during final assembly using the Analog Devices, Inc., patented

The low output voltage hysteresis and low long-term output voltage

drift improve lifetime system accuracy.

This CMOS reference is specified over the automotive temperature

range of −40°C to +125°C.

Table 1. Selection Guide

DigiTrim technology.

Model

Output Voltage (V) Input Voltage Range (V)

1.200 2.3 to 5.5

ADR3512WCRMZ-R7

At least U.S. Patent No. 6,696,894 covers this technology.

Rev. F

Information furnished by Analog Devices is believed to be accurate and reliable "as is". 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. Trademarks and

registered trademarks are the property of their respective owners.

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