VOUT R4
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� ISL22444TFR20Z
寤犲晢锛� Intersil
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 9/19闋�(y猫)
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC POT DGTL 256TP LN LP 20-QFN
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Solutions for Industrial Control Applications
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 600
绯诲垪锛� XDCP™
鎺ョ墖锛� 256
闆婚樆锛堟瓙濮嗭級锛� 100k
闆昏矾鏁�(sh霉)锛� 4
婧害绯绘暩(sh霉)锛� 妯�(bi膩o)婧�(zh菙n)鍊� ±45 ppm/°C
瀛樺劜(ch菙)鍣ㄩ鍨嬶細 闈炴槗澶�
鎺ュ彛锛� 4 绶� SPI锛堣姱鐗囬伕鎿囷級
闆绘簮闆诲锛� 2.25 V ~ 5.5 V
宸ヤ綔婧害锛� -40°C ~ 125°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 20-VQFN 瑁搁湶鐒婄洡
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 20-QFN 瑁搁湶鐒婄洡锛�5x5锛�
鍖呰锛� 绠′欢
17
FN6426.0
May 24, 2007
RL0
RW0
RH0
IN+
IN-
FB+
FB-
VOUT
R4
150k, 1%
R6
1.37k, 1%
VOUT = 0V to + 5V to ADC
1/2 ISL28272
0.005
DC/DC CONVERTER
OUTPUT
PROCESSOR LOAD
10A, MAX
5
6
8
4
2
3
V-
V+
+5V
16
PROGRAMMABLE GAIN 90 TO 110
EN
7
10k
0.1F
1.2V
R5
309, 1%
50k
DCP1 (1/4 ISL22444U)
+5V
-5V
R1
50k, 1%
R3
50k, 1%
R2
1k, 1%
DCP0 (1/4 ISL22444U)
RL1
RH1
RW1
50k
FIGURE 22. CURRENT SENSING WITH GAIN AND OFFSET CONTROL
PROGRAMMABLE OFFSET 卤25mV
ISL22444UFV20Z
RH0
RL0
RW0
RH1
RL1
RW1
Vcc
SCK
SDI
GND
SDO
CS
NC
V-
+5V
-5V
16
5
6
15
14
4
7
17
11
12
13
20
19
18
DCP0
DCP1
SPI BUS
RH2
RL2
RW2
RH3
RL3
RW3
3
2
1
8
9
10
DCP2
DCP3
ISL22444
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
M83723/95A1002N CONN PLUG 2POS STRAIGHT W/SCKT
VE-2VN-MX-B1 CONVERTER MOD DC/DC 18.5V 75W
VE-2TW-MW CONVERTER MOD DC/DC 5.5V 100W
VE-JVJ-MZ-S CONVERTER MOD DC/DC 36V 25W
MS27500E16B35PA CONN PLUG 55POS RT ANG W/PINS
鐩搁棞(gu膩n)浠g悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
鍙冩暩(sh霉)鎻忚堪
ISL22444TFR20Z-TK 鍔熻兘鎻忚堪:鏁�(sh霉)瀛楅浕浣嶈▓(j矛) IC 276 TAP FL RNG IND QD SPI DCP 5X5 RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 闆婚樆:200 Ohms 婧害绯绘暩(sh霉):35 PPM / C 瀹瑰樊:25 % POT 鏁�(sh霉)閲�:Dual 姣� POT 鍒嗘帴闋�:256 寮у埛瀛樺劜(ch菙)鍣�:Volatile 绶╂矕鍒�: 鏁�(sh霉)瀛楁帴鍙�:Serial (3-Wire, SPI) 鎻忚堪/鍔熻兘:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 宸ヤ綔闆绘簮闆诲:1.7 V to 5.5 V 闆绘簮闆绘祦:27 uA 鏈€澶у伐浣滄韩搴�:+ 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:TQFN-16 灏佽:Reel
ISL22444TFV20Z 鍔熻兘鎻忚堪:鏁�(sh霉)瀛楅浕浣嶈▓(j矛) IC 267 TAP FL RNG IND QD SPI DCP 20LD RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 闆婚樆:200 Ohms 婧害绯绘暩(sh霉):35 PPM / C 瀹瑰樊:25 % POT 鏁�(sh霉)閲�:Dual 姣� POT 鍒嗘帴闋�:256 寮у埛瀛樺劜(ch菙)鍣�:Volatile 绶╂矕鍒�: 鏁�(sh霉)瀛楁帴鍙�:Serial (3-Wire, SPI) 鎻忚堪/鍔熻兘:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 宸ヤ綔闆绘簮闆诲:1.7 V to 5.5 V 闆绘簮闆绘祦:27 uA 鏈€澶у伐浣滄韩搴�:+ 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:TQFN-16 灏佽:Reel
ISL22444TFV20Z-TK 鍔熻兘鎻忚堪:鏁�(sh霉)瀛楅浕浣嶈▓(j矛) IC 270 TAP FL RNG IND QD SPI DCP 20LD RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 闆婚樆:200 Ohms 婧害绯绘暩(sh霉):35 PPM / C 瀹瑰樊:25 % POT 鏁�(sh霉)閲�:Dual 姣� POT 鍒嗘帴闋�:256 寮у埛瀛樺劜(ch菙)鍣�:Volatile 绶╂矕鍒�: 鏁�(sh霉)瀛楁帴鍙�:Serial (3-Wire, SPI) 鎻忚堪/鍔熻兘:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 宸ヤ綔闆绘簮闆诲:1.7 V to 5.5 V 闆绘簮闆绘祦:27 uA 鏈€澶у伐浣滄韩搴�:+ 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:TQFN-16 灏佽:Reel
ISL22444UFR20Z 鍔熻兘鎻忚堪:鏁�(sh霉)瀛楅浕浣嶈▓(j矛) IC 274 TAP FL RNG IND QD SPI DCP 5X5 RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 闆婚樆:200 Ohms 婧害绯绘暩(sh霉):35 PPM / C 瀹瑰樊:25 % POT 鏁�(sh霉)閲�:Dual 姣� POT 鍒嗘帴闋�:256 寮у埛瀛樺劜(ch菙)鍣�:Volatile 绶╂矕鍒�: 鏁�(sh霉)瀛楁帴鍙�:Serial (3-Wire, SPI) 鎻忚堪/鍔熻兘:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 宸ヤ綔闆绘簮闆诲:1.7 V to 5.5 V 闆绘簮闆绘祦:27 uA 鏈€澶у伐浣滄韩搴�:+ 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:TQFN-16 灏佽:Reel
ISL22444UFR20Z-TK 鍔熻兘鎻忚堪:鏁�(sh霉)瀛楅浕浣嶈▓(j矛) IC 277 TAP FL RNG IND QD SPI DCP 5X5 RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 闆婚樆:200 Ohms 婧害绯绘暩(sh霉):35 PPM / C 瀹瑰樊:25 % POT 鏁�(sh霉)閲�:Dual 姣� POT 鍒嗘帴闋�:256 寮у埛瀛樺劜(ch菙)鍣�:Volatile 绶╂矕鍒�: 鏁�(sh霉)瀛楁帴鍙�:Serial (3-Wire, SPI) 鎻忚堪/鍔熻兘:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 宸ヤ綔闆绘簮闆诲:1.7 V to 5.5 V 闆绘簮闆绘祦:27 uA 鏈€澶у伐浣滄韩搴�:+ 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:TQFN-16 灏佽:Reel