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AD7376ARWZ50 其他数据使用手册 - ADI（亚德诺）
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ADI（亚德诺）
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数字电位器
封装:
SOIC-16
描述:
ANALOG DEVICES AD7376ARWZ50 易失性数字电位器, 50 kohm, 单, SPI, ± 30%, 4.5 V
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AD7376ARWZ50数据手册
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+30 V/±15 V Operation
128-Position Digital Potentiometer
AD7376
FEATURES
128 positions
10 kΩ, 50 kΩ, 100 kΩ
20 V to 30 V single-supply operation
±10 V to ±15 V dual-supply operation
3-wire SPI®-compatible serial interface
THD 0.006% typical
Programmable preset
Power shutdown: less than 1 μA
iCMOS™ process technology
APPLICATIONS
High voltage DAC
Programmable power supply
Programmable gain and offset adjustment
Programmable filters, delays
Actuator control
Audio volume control
Mechanical potentiometer replacement
FUNCTIONAL BLOCK DIAGRAM
V
DD
A
W
B
V
SS
SDI
CLK
CS
SDO
7 7
R
7-BIT
LATCH
7-BIT
SERIAL
REGISTER
Q
D
CK
AD7376
01119-001
SHDN
SHDN
RS
GND
Figure 1.
GENERAL DESCRIPTION
The AD7376
1
is one of the few high voltage, high performance
digital potentiometers
2
on the market. This device can be used
as a programmable resistor or resistor divider. The AD7376
performs the same electronic adjustment function as mechanical
potentiometers, variable resistors, and trimmers with enhanced
resolution, solid-state reliability, and programmability. With
digital rather than manual control, the AD7376 provides layout
flexibility and allows closed-loop dynamic controllability.
The AD7376 features sleep-mode programmability in shutdown
that can be used to program the preset before device activation,
thus providing an alternative to costly EEPROM solutions.
The AD7376 is available in 14-lead TSSOP and 16-lead wide
body SOIC packages in 10 kΩ, 50 kΩ, and 100 kΩ options. All
parts are guaranteed to operate over the −40°C to +85°C
extended industrial temperature range.
1
Patent number: 54952455.
2
The terms digital potentiometer and RDAC are used interchangeably.
Rev. C
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 ©1997–2009 Analog Devices, Inc. All rights reserved.
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