6 FN7874.0 June 21, 2011 Roffset (Note 16) Offset, wiper at 0 position
參數(shù)資料
型號： ISL23445UFVZ
廠商： Intersil
文件頁數(shù)： 17/20頁
文件大?。?/td> 0K
描述： IC DGTL POT 256POS 50K 20TSSOP
產(chǎn)品培訓模塊： Solutions for Industrial Control Applications
標準包裝： 740
系列： XDCP™
接片： 256
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： *
封裝/外殼： *
供應商設備封裝： *
包裝： *
ISL23445
6
FN7874.0
June 21, 2011
Roffset
(Note 16)
Offset, wiper at 0 position
W option; VCC = 2.7V to 5.5V
0
3
5.5
MI
(Note 15)
W option; VCC = 1.7V
6.3
MI
(Note 15)
U, T option; VCC = 2.7V to 5.5V
0
0.5
2
MI
(Note 15)
U, T option; VCC = 1.7V
1.1
MI
(Note 15)
Rmatch
(Note 23)
DCP to DCP Matching
Any two DCPs at the same tap position with the
same terminal voltages
-2
±0.5
2
LSB
(Note 9)
TCR
(Note 19)
Resistance Temperature Coefficient
W option; Wiper register set between 32 hex
and FF hex
170
ppm/°C
U option; Wiper register set between 32 hex and
FF hex
80
ppm/°C
T option; Wiper register set between 32 hex and
FF hex
50
ppm/°C
Analog Specifications
VCC = 2.7V to 5.5V, VLOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise
stated. Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20) TYP (Note 8)
MAX
(Note 20)
UNITS
Operating Specifications VCC = 2.7V to 5.5V, VLOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise
stated. Boldface limits apply over the operating temperature range, -40°C to +125°C.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20) TYP (Note 8)
MAX
(Note 20) UNITS
ILOGIC
VLOGIC Supply Current (Write/Read)
VLOGIC = 5.5V, VCC = 5.5V,
fSCK = 5MHz (for SPI active read and write)
1.5
mA
VLOGIC = 1.2V, VCC = 1.7V,
fSCK = 1MHz (for SPI active read and write)
30
A
ICC
VCC Supply Current (Write/Read)
VLOGIC = 5.5V, VCC = 5.5V
110
A
VLOGIC = 1.2V, VCC = 1.7V
10
A
ILOGIC SB VLOGIC Standby Current
VLOGIC = VCC = 5.5V,
SPI interface in standby
2
A
VLOGIC = 1.2V, VCC = 1.7V,
SPI interface in standby
0.5
A
ICC SB
VCC Standby Current
VLOGIC = VCC = 5.5V,
SPI interface in standby
3
A
VLOGIC = 1.2V, VCC = 1.7V,
SPI interface in standby
1.5
A
ILOGIC SHDN VLOGIC Shutdown Current
VLOGIC = VCC = 5.5V,
SPI interface in standby
2
A
VLOGIC = 1.2V, VCC = 1.7V,
SPI interface in standby
0.5
A
ICC SHDN
VCC Shutdown Current
VLOGIC = VCC = 5.5V,
SPI interface in standby
3
A
VLOGIC = 1.2V, VCC = 1.7V,
SPI interface in standby
1.5
A
ILkgDig
Leakage Current, at Pins CS, SDO, SDI,
SCK
Voltage at pin from GND to VLOGIC
-0.4
<0.1
0.4
A
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