參數(shù)資料
型號: DS1267E-100
廠商: Maxim Integrated Products
文件頁數(shù): 7/12頁
文件大?。?/td> 0K
描述: IC POT DUAL DIGITAL 100K 20TSSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 74
接片: 256
電阻(歐姆): 100k
電路數(shù): 2
溫度系數(shù): 標準值 750 ppm/°C
存儲器類型: 易失
接口: 3 線串口
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 20-TSSOP
包裝: 管件
其它名稱: DS1267E100
DS1267
4 of 12
102199
STACKED CONFIGURATION
The potentiometers of the DS1267 can be connected in series as shown in Figure 3. This is referred to as
the stacked configuration. The stacked configuration allows the user to double the total end-to-end
resistance of the part and the number of steps to 512 (or 9 bits of resolution).
The wiper output for the combined stacked potentiometer will be taken at the SOUT pin, which is the
multiplexed output of the wiper of potentiometer-0 (W0) or potentiometer-1 (W1). The potentiometer
wiper selected at the SOUT output is governed by the setting of the stack select bit (bit 0) of the 17-bit I/O
shift register. If the stack select bit has value 0, the multiplexed output, SOUT, will be that of the
potentiometer-0 wiper. If the stack select bit has value 1, the multiplexed output, SOUT, will be that of the
potentiometer-1 wiper.
STACKED CONFIGURATION Figure 3
CASCADE OPERATION
A feature of the DS1267 is the ability to control multiple devices from a single processor. Multiple
DS1267s can be linked or daisy-chained as shown in Figure 4. As a data bit is entered into the I/O shift
register of the DS1267 a bit will appear at the COUT output within a maximum delay of 50 nanoseconds.
The stack select bit of the DS1267 will always be the first out the part at the beginning of a transaction.
Additionally the COUT pin is always active regardless of the state of RST . This allows one to read the I/O
shift register without changing its value.
CASCADING MULTIPLE DEVICES Figure 4
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相關代理商/技術參數(shù)
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