2 FN7905.0 August 19, 2011 Block Diagram POWER UP INTERFACE CONTROL AND STATUS LOGIC I/O BLOCK V
參數(shù)資料
型號: ISL23448UFRZ-TK
廠商: Intersil
文件頁數(shù): 12/21頁
文件大?。?/td> 0K
描述: IC DGTL POT 4CH 50K 20QFN
產(chǎn)品培訓模塊: Solutions for Industrial Control Applications
標準包裝: 1,000
系列: XDCP™
接片: 128
電阻(歐姆): 50k
電路數(shù): 4
溫度系數(shù): 標準值 65 ppm/°C
存儲器類型: 易失
接口: 4 線 SPI(芯片選擇)
電源電壓: 1.2 V ~ 5.5 V,1.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(3x4)
包裝: 帶卷 (TR)
ISL23448
2
FN7905.0
August 19, 2011
Block Diagram
POWER UP
INTERFACE
CONTROL
AND
STATUS
LOGIC
I/O
BLOCK
VCC
GND
SDI
SDO
SCK
VLOGIC
LEVEL
SHIFTER
WR0
VOLATILE
REGISTER
WR1
VOLATILE
REGISTER
WR2
VOLATILE
REGISTER
WR3
VOLATILE
REGISTER
RH0
RW0
RL0
RH1
RW1
RL1
RH2
RW2
RL2
RH3
RW3
RL3
CS
Pin Configurations
ISL23448
(20 LD TSSOP)
TOP VIEW
ISL23448
(20 LD QFN)
TOP VIEW
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
RL0
RW0
VCC
RH0
RL1
RW1
GND
RH1
VLOGIC
SDI
RL3
RH3
RL2
RW2
RW3
RH2
SCK
SDO
GND
CS
V
LO
GIC
RW1
SCK
RH2
SD
I
CS
RL
0
RW
0
RL
3
GND
RL2
RH0
RW2
RW
3
VCC
RL1
RH1
SDO
1
2
3
4
5
78
9
10
15
14
13
12
11
20
19
18
17
6
GND
6
RH3
16
Pin Descriptions
TSSOP
QFN
SYMBOL
DESCRIPTION
1
19
RL0
DCP0 “l(fā)ow” terminal
2
20
RW0
DCP0 wiper terminal
31
VCC
Analog power supply.
Range 1.7V to 5.5V
42
RH0
DCP0 “high” terminal
5
3
RL1
DCP1 “l(fā)ow” terminal
6
4
RW1
DCP1 wiper terminal
75
RH1
DCP1 “high” terminal
8, 12
6, 10
GND
Ground pin
97
VLOGIC
SPI bus/logic supply
Range 1.2V to 5.5V
10
8
SDI
Logic Pin - Serial bus data input
11
9
CS
Logic Pin - Active low chip select
13
11
SDO
Logic Pin - Serial bus data output
(configurable)
14
12
SCK
Logic Pin - Serial bus clock input
15
13
RH2
DCP2 “high” terminal
16
14
RW2
DCP2 wiper terminal
17
15
RL2
DCP2 “l(fā)ow” terminal
18
16
RH3
DCP3 “high” terminal
19
17
RW3
DCP3 wiper terminal
20
18
RL3
DCP3 “l(fā)ow” terminal
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