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SMP9317S PDF预览

SMP9317S

更新时间: 2024-11-19 06:12:47
品牌 Logo 应用领域
SUMMIT 转换器电位器计数器光电二极管电子
页数 文件大小 规格书
6页 40K
描述
Nonvolatile DACPOT™ Electronic Potentiometer With Up/Down Counter Interface

SMP9317S 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:compliant风险等级:5.92
Is Samacsys:N转换器类型:D/A CONVERTER
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
最大线性误差 (EL):0.781%湿度敏感等级:1
位数:7功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:3/5 V认证状态:Not Qualified
子类别:Other Converters表面贴装:YES
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

SMP9317S 数据手册

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S U MMIT  
MICROELECTRONICS, Inc.  
SMP9317  
Nonvolatile DACPOT™ Electronic Potentiometer  
With Up/Down Counter Interface  
FEATURES  
Digitally Controlled Electronic Potentiometer  
OVERVIEW  
7-Bit Digital-to-Analog Converter (DAC)  
The SMP9317 DACPOT™ trimmer is a 7-bit nonvolatile  
DAC designed to replace mechanical potentiometers.  
The SMP9317 includes a unity-gain amplifier to buffer the  
DAC output and enables VOUT to swing from rail to rail.  
The DACPOT trimmer operates over a supply voltage  
range of 2.7V to 5.5V.  
– Independent Reference Inputs  
– Differential Non-Linearity - +0.5LSB  
– Integral Non-Linearity - +1LSB  
VOUT Value in EEPROM for Power-On Recall  
– Equivalent to 128-Step Potentiometer  
Unity Gain Op Amp Drives ±100µA  
The SMP9317’s simple up/down counter input provides  
an ideal interface for automatic test equipment to dither  
and monitor the VOUT voltage. This interface allows for  
quick and consistent calibration of even the most sophis-  
ticated systems.  
Simple Trimming Adjustment  
– Up/Down Counter Style Operation  
Low Noise Operation  
“Clickless” Transitions between DAC Steps  
No Mechanical Wearout Problem  
– 1,000,000 Stores (typical)  
– 100 Year Data Retention  
The SMP9317 is a pin-compatible performance upgrade  
for other industry nonvolatile potentiometers. The  
SMP9317offershigherresolutionthanthesedevicesand  
provides ‘clickless’ transitions of VOUT  
.
Operation from +2.7V to +5.5V Supply  
Ultra-Low Power, 0.5mW max at +5V  
FUNCTIONAL BLOCK DIAGRAM  
V
DD  
V
H
2
7-bit E PROM  
-
UP/DN  
INC  
AMP  
Counter  
&
Write  
Control  
V
7-bit  
Data  
Register  
OUT  
7-bit DAC  
+
CS  
V
L
GND  
2031 ILL2.0  
SUMMIT MICROELECTRONICS, Inc.  
300 Orchard City Drive, Suite 131  
Campbell, CA 95008  
Telephone 408-378-6461  
Fax 408-378-6586  
www.summitmicro.com  
Characteristics subject to change without notice  
© SUMMIT MICROELECTRONICS, Inc. 1998  
2031-04 12/4/98  

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