Datasheet > ADR441TRZ-EP-R7

ADR441TRZ-EP-R7

更新时间： 2024-09-23 21:11:23

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
8页	155K
描述
Ultralow Noise, LDO XFET® 2.5V Voltage Reference w/Current Sink and Source

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ADR441TRZ-EP-R7 数据手册

Ultralow Noise, LDO XFET Voltage

Reference with Current Sink and Source

Enhanced Product

ADR441-EP

FEATURES

TYPICAL APPLICATION CIRCUIT

Ultralow voltage noise (0.1 Hz to 10 Hz): 1.2 µV p-p

Superb temperature drift: 5 ppm/°C

Low dropout operation (supply voltage headroom): 500 mV

Supply voltage operating range: 3 V to 18 V

High output source and sink current

DNC

ADR441-EP

NIC

TOP VIEW

OUT

(Not to Scale)

10µF

0.1µF

NIC

GND

0.1µF

TRIM

+10 mA and −5 mA, respectively

NOTES

1. NIC = NOT INTERNALLY CONNECTED.

ENHANCED PRODUCT FEATURES

THIS PIN IS NOT CONNECTED INTERNALLY.

2. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN.

Supports defense and aerospace applications (AQEC

standard)

Figure 1.

Military temperature range (−55°C to +125°C)

Controlled manufacturing baseline

1 assembly/test site

1 fabrication site

Product change notification

Qualification data available on request

APPLICATIONS

Precision data acquisition systems

High resolution data converters

Battery-powered instrumentation

Precision instruments

Military communication

Unmanned systems

Avionics

GENERAL DESCRIPTION

The ADR441-EP¹is a XFET® voltage reference featuring

ultralow noise, high accuracy, and low temperature drift

performance. Using Analog Devices, Inc., temperature drift

curvature correction and extra implanted junction FET (XFET)

technology, voltage change vs. temperature nonlinearity in the

ADR441-EP is greatly minimized.

The ADR441-EP has the capability to source up to +10 mA of

output current and sink up to −5 mA. The device also comes

with a trim terminal to adjust the output voltage over a 0.5%

range without compromising performance.

The ADR441-EP is available in an 8-lead, narrow SOIC package.

The ADR441-EP is specified over the military temperature range

of −55°C to +125°C. Additional application and technical

information can be found in the ADR441 data sheet.

The XFET reference offers better noise performance than buried

Zener references, and the XFET reference operates off

low supply voltage headroom (500 mV). This combination of

features makes the ADR441-EP ideally suited for precision

signal conversion applications in high end data acquisition

systems, military communication, and avionics applications.

¹Protected by U.S. Patent Number 5,838,192.

Rev. 0

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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