參數(shù)資料
型號(hào): ISL22424UFR16Z
廠商: Intersil
文件頁(yè)數(shù): 7/18頁(yè)
文件大?。?/td> 0K
描述: IC POT DGTL 256TP LN LP 16-QFN
標(biāo)準(zhǔn)包裝: 750
系列: XDCP™
接片: 256
電阻(歐姆): 50k
電路數(shù): 2
溫度系數(shù): 標(biāo)準(zhǔn)值 ±45 ppm/°C
存儲(chǔ)器類型: 非易失
接口: 4 線 SPI(芯片選擇)
電源電壓: 2.25 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-QFN-EP(4x4)
包裝: 管件
15
FN6425.0
May 31, 2007
Application Example
Figure 22 shows an example of using ISL22424 for gain
setting and offset correction in high side current
measurement application. DCP0 applies a programmable
offset voltage of ±25mV to the FB+ pin of the Instrumentation
Amplifier EL8173 to adjust output offset to zero voltages.
DCP1 programs the gain of the EL8173 from 90 to 110 with
5V output for 10A current through current sense resistor.
More application examples can be found at
http://www.intersil.com/data/an/AN1145.pdf
CS
SCK
MOSI
MISO
CS
SCK
SDI
SDO
CS
SCK
SDI
SDO
CS
SCK
SDI
SDO
CS
SCK
SDI
SDO
C
DCP0
DCP1
DCP2
DCP(N-1)
FIGURE 18. DAISY CHAIN CONFIGURATION
N DCP IN A CHAIN
CS
SCK
SDI
SDO 0
WR
D C P2
WR
D C P1
WR
D C P0
WR
D C P1
SDO 1
WR
D C P2
SDO 2
WR
D C P2
FIGURE 19. DAISY CHAIN WRITE SEQUENCE OF N = 3 DCP
16 CLKLS
16 CLKS
FIGURE 20. TWO BYTE OPERATION
CS
SCK
SDI
SDO
INSTRUCTION
ADDR
DATA IN
DATA OUT
1
2
10
11
12
13
14
15
16
345
67
8
9
ISL22424
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