参数资料
型号: MAX5407EKA+T
厂商: Maxim Integrated Products
文件页数: 5/7页
文件大小: 0K
描述: IC POT DIG AUDIO 32TAP SOT23-8
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: SOT-PoT™
接片: 32
电阻(欧姆): 20k
电路数: 1
温度系数: 标准值 35 ppm/°C
存储器类型: 易失
接口: 2 线串行(芯片选择,增/减)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-8
供应商设备封装: SOT-23-8
包装: 标准包装
产品目录页面: 1399 (CN2011-ZH PDF)
其它名称: MAX5407EKA+TDKR
Detailed Description
Digital Interface Operation
The MAX5407 has two modes of operation when the seri-
al interface is active: increment and decrement mode.
The serial interface is only active when CS is high.
The CS and U/D inputs control the position of the wiper
along the resistor array. When CS transitions from low
to high, the part will go into increment mode if U/D is
high and into decrement mode if U/D is low. Once the
mode is set, the device will remain in that mode until CS
goes low again. A low-to-high transition at the U/D pin
will increment or decrement the wiper position depend-
ing on the mode (Figures 1 and 2).
When the CS input transitions to low (serial interface
inactive), the value of the counter is stored and the
wiper position is maintained.
MAX5407
32-Tap Audio Logarithmic Taper
Digital Potentiometer
_______________________________________________________________________________________
5
W
U/D
CS
tCU
tIW
tIC
tIL
tCI
tIH
NOTE: W IS NOT A DIGITAL SIGNAL. IT REPRESENTS THE WIPER TRANSITIONING.
W
NOTE: W IS NOT A DIGITAL SIGNAL. IT REPRESENTS THE WIPER TRANSITIONING.
U/D
CS
tIH
tCI
tCU
tIL
tIC
tIW
Figure 1. Serial Interface Timing Diagram, Increment Mode
Figure 2. Serial Interface Timing Diagram, Decrement Mode
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