参数资料
型号: ADR443ARMZ-REEL7
厂商: Analog Devices Inc
文件页数: 1/20页
文件大小: 0K
描述: IC VREF SERIES PREC 3V 8-MSOP
标准包装: 1,000
系列: XFET®
基准类型: 串联,精度
输出电压: 3V
容差: ±0.13%
温度系数: 10ppm/°C
输入电压: 3.5 V ~ 18 V
通道数: 1
电流 - 静态: 3.75mA
电流 - 输出: 10mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)

Ultralow Noise, LDO XFET Voltage
References with Current Sink and Source
ADR440/ADR441/ADR443/ADR444/ADR445
FEATURES
PIN CONFIGURATIONS
Ultralow noise (0.1 Hz to 10 Hz)
ADR440: 1 μV p-p
ADR441: 1.2 μV p-p
ADR443: 1.4 μV p-p
ADR444: 1.8 μV p-p
ADR445: 2.25 μV p-p
TP 1
V IN 2
NC 3
GND 4
ADR440/
ADR441/
ADR443/
ADR444/
ADR445
TOP VIEW
(Not to Scale)
8
7
6
5
TP
NC
V OUT
TRIM
Superb temperature coefficient
A grade: 10 ppm/°C
B grade: 3 ppm/°C
Low dropout operation: 500 mV
NOTES
1. NC = NO CONNECT
2. TP = TEST PIN (DO NOT CONNECT)
Figure 1. 8-Lead SOIC_N (R-Suffix)
Input range: (V OUT + 500 mV) to 18 V
High output source and sink current
+10 mA and ?5 mA, respectively
Wide temperature range: ?40°C to +125°C
APPLICATIONS
TP 1
V IN 2
NC 3
GND 4
NOTES
ADR440/
ADR441/
ADR443/
ADR444/
ADR445
TOP VIEW
(Not to Scale)
8
7
6
5
TP
NC
V OUT
TRIM
Precision data acquisition systems
High resolution data converters
Battery-powered instrumentation
Portable medical instruments
Industrial process control systems
Precision instruments
Optical control circuits
GENERAL DESCRIPTION
The ADR44x series is a family of XFET? voltage references
featuring ultralow noise, high accuracy, and low temperature
drift performance. Using Analog Devices, Inc., patented
temperature drift curvature correction and XFET (eXtra
1. NC = NO CONNECT
2. TP = TEST PIN (DO NOT CONNECT)
Figure 2. 8-Lead MSOP (RM-Suffix)
Offered in two electrical grades, the ADR44x family is avail-
able in 8-lead MSOP and narrow SOIC packages. All versions
are specified over the extended industrial temperature range of
?40°C to +125°C.
implanted junction FET) technology, voltage change vs.
temperature nonlinearity in the ADR44x is greatly minimized.
The XFET references offer better noise performance than
Table 1. Selection Guide
Output
Voltage
Initial
Accuracy
Temperature
Coefficient
buried Zener references, and XFET references operate off
low supply voltage headroom (0.5 V). This combination of
features makes the ADR44x family ideally suited for precision
signal conversion applications in high-end data acquisition
systems, optical networks, and medical applications.
The ADR44x family has the capability to source up to 10 mA of
output current and sink up to ?5 mA. It also comes with a trim
terminal to adjust the output voltage over a 0.5% range without
compromising performance.
Model
ADR440A
ADR440B
ADR441A
ADR441B
ADR443A
ADR443B
ADR444A
ADR444B
ADR445A
ADR445B
(V)
2.048
2.048
2.500
2.500
3.000
3.000
4.096
4.096
5.000
5.000
(mV)
±3
±1
±3
±1
±4
±1.2
±5
±1.6
±6
±2
(ppm/°C)
10
3
10
3
10
3
10
3
10
3
Rev. E
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.
Trademarks and registered trademarks 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 www.analog.com
Fax: 781.461.3113 ?2005–2010 Analog Devices, Inc. All rights reserved.
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