參數(shù)資料
型號： AD5170EVAL
廠商： Analog Devices, Inc.
元件分類： 數(shù)字電位計
英文描述： 256-Position Two-Time Programmable I2C Digital Potentiometer
中文描述： 256位二時間的I2C可編程數(shù)字電位器
文件頁數(shù)： 1/24頁
文件大?。?/td> 900K
代理商： AD5170EVAL
256-Position Two-Time Programmable
I
2
C Digital Potentiometer
AD5170
FEATURES
256-position
TTP (two-time programmable) set-and-forget resistance
setting allows second-chance permanent programming
Unlimited adjustments prior to OTP (one-time
programming) activation
OTP overwrite allows dynamic adjustments with user
defined preset
End-to-end resistance: 2.5 k, 10 k, 50 k, 100 k
Compact MSOP-10 (3 mm × 4.9 mm) package
Fast settling time: t
S
= 5 μs typ in power-up
Full read/write of wiper register
Power-on preset to midscale
Extra package address decode pins AD0 and AD1
Single-supply 2.7 V to 5.5 V
Low temperature coefficient: 35 ppm/°C
Low power, I
DD
= 6 μA maximum
Wide operating temperature: –40°C to +125°C
Evaluation board and software are available
Software replaces μC in factory programming applications
Rev.
A
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
Fax: 781.326.8703
2004 Analog Devices, Inc. All rights reserved.
www.analog.com
APPLICATIONS
Systems calibration
Electronics level setting
Mechanical Trimmers replacement in new designs
Permanent factory PCB setting
Transducer adjustment of pressure, temperature, position,
chemical, and optical sensors
RF amplifier biasing
Automotive electronics adjustment
Gain control and offset adjustment
GENERAL OVERVIEW
The AD5170 is a 256-position, two-time programmable (TTP)
1
resistance setting. OTP is a cost-effective alternative to EEMEM
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