6 FN7873.0 June 20, 2011 TCR (Note 19) Resistance temperature coefficient W option; Wiper register set between 32 hex and FF hex 170 p" />
參數(shù)資料
型號(hào)： ISL23425WFRUZ-TK
廠商： Intersil
文件頁數(shù)： 17/20頁
文件大?。?/td> 0K
描述： IC DGTL POT 256POS 10K 16UTQFN
標(biāo)準(zhǔn)包裝： 1,000
系列： XDCP™
接片： 256
電阻（歐姆）： 10k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 125 ppm/°C
存儲(chǔ)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(yīng)商設(shè)備封裝： *
包裝： *
ISL23425
6
FN7873.0
June 20, 2011
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
100
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
2
A
VLOGIC = 1.2V, VCC = 1.7V,
SPI interface in standby
1.2
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
2
A
VLOGIC = 1.2V, VCC = 1.7V,
SPI interface in standby
1.2
A
ILkgDig
Leakage Current, at Pins CS, SDO, SDI, SCK Voltage at pin from GND to VLOGIC
-0.4
<0.1
0.4
A
tDCP
Wiper Response Time
CS rising edge to the new position of the
wiper (changes from 10% to 90% FS)
W, U, T options specified top to bottom
0.4
s
1.5
s
3.5
s
tShdnRec
DCP Recall Time from Shutdown Mode
CS rising edge to wiper recalled position
and RH connection
1.5
s
VCC, VLOGIC
Ramp
VCC ,VLOGIC Ramp Rate (Note 21)
Ramp monotonic at any level
0.01
50
V/ms
Serial Interface Specification For SCK, SDI, SDO, CS Unless Otherwise Noted.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20)
TYP
(Note 8)
MAX
(Note 20)
UNITS
VIL
Input LOW Voltage
-0.3
0.3 x VLOGIC
V
VIH
Input HIGH Voltage
0.7 x VLOGIC
VLOGIC+ 0.3
V
Hysteresis
SDI and SCK Input Buffer
Hysteresis
VLOGIC > 2V
0.05 x VLOGIC
V
VLOGIC < 2V
0.1 x VLOGIC
V
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