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PDF ( 数据手册 , 数据表 ) ADR3420

零件编号 ADR3420
描述 (ADR3412 - ADR3450) HIGH-ACCURACY VOLTAGE REFERENCES
制造商 Analog Devices
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ADR3420 数据手册, 描述, 功能
Micro-Power, High-Accuracy
Voltage References
Preliminary Technical Data ADR3412/3420/3425/3430/3433/3440/3450
FEATURES
Initial accuracy: ± 0.1%
Max. temp. coefficient: 10 ppm / °C
Operating temperature: -40°C – +125 °C
Output current: +10 mA source / -3 mA sink
Low quiescent current: 70 μA (max)
Low dropout voltage: 200 mV @ 2 mA
Output noise (0.1 – 10 Hz): < 10 μVp-p@ 1.25 V
SOT23-6 package
APPLICATIONS
Precision data acquisition systems
High-resolution data converters
Industrial instrumentation
Medical devices
Automotive controls
Battery-powered devices
GENERAL DESCRIPTION
The ADR34xx series of devices are low-cost, low-power, high
precision voltage references, featuring ± 0.1% initial accuracy,
low operating current and low output noise in a small SOT23
package.
For high accuracy, output voltage and temperature coefficient
are trimmed digitally during final assembly using Analog
Devices’ proprietary Digi-Trim technology. Stability and
reliability are further improved by the devices’ low output
voltage hysteresis and low long-term output voltage drift.
www.DaFtuarSthheeremt4oUr.ce,otmhe low operating current of the device (70 μA
max) facilitates usage in low-power devices, while its low output
noise helps maintain signal integrity in critical signal processing
systems.
ADR34xx series references are available in a wide range of
output voltages, all of which are specified over the industrial
temperature range of -40°C to +125 °C.
PIN CONFIGURATION
GND FORCE 1
GND SENSE 2
ADR34xx
TOP VIEW
(Not to Scale)
6 VOUT FORCE
5 VOUT SENSE
ENABLE 3
4 VIN
Figure 1. 6-Lead SOT23
Table 1. Selection Guide
Model
Output Voltage (V)
ADR3412 1.200
ADR3420 2.048
ADR3425 2.500
ADR3430 3.000
ADR3433 3.300
ADR3440 4.096
ADR3450 5.000
Input Voltage Range (V)
2.3 – 5.5
2.3 – 5.5
2.7 – 5.5
3.2 – 5.5
3.5 – 5.5
4.3 – 5.5
5.2 – 5.5
Rev. PrB
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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
©2009 Analog Devices, Inc. All rights reserved.







ADR3420 pdf, 数据表
ADR3412/3420/3425/3430/3433/3440/3450
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Preliminary Technical Data
GND FORCE
GND SENSE
ADR34xx
TOP VIEW
(Not to Scale)
VOUT FORCE
VOUT SENSE
ENABLE
VIN
Figure 2. ADR34xx Pin Configuration
Table 11. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
GND SENSE
Ground sense connection
2
GND FORCE
Ground force connection
3 ENABLE Enables or disables the device
4 VIN
Input voltage connection
5
VOUT SENSE
Reference voltage output sensing connection (connect directly to the voltage input of load devices)
6
VOUT FORCE
Reference voltage output
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Rev. PrB | Page 8 of 13














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