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参数资料
型号： ISL23345WFRZ
厂商： Intersil
文件页数： 17/19页
文件大小： 0K
描述： IC DGTL POT 256POS 10K 20QFN
标准包装： 75
系列： XDCP™
接片： 256
电阻（欧姆）： 10k
电路数： 4
温度系数： 标准值 125 ppm/°C
存储器类型： 易失
接口： I²C，2 线串口
电源电压： 1.2 V ~ 5.5 V，1.7 V ~ 5.5 V
工作温度： -40°C ~ 125°C
安装类型： *
封装/外壳： *
供应商设备封装： *
包装： *
ISL23345
7
FN7872.0
June 21, 2011
tDCP
Wiper Response Time
SCL rising edge of the acknowledge bit after data
byte to wiper new position (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
SCL rising edge of the acknowledge bit after ACR
data byte to wiper recalled position and RH
connection
1.5
s
VCC,VLOGIC
Ramp
(Note 21)
VCC ,VLOGIC Ramp Rate
Ramp monotonic at any level
0.01
50
V/ms
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. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20) TYP (Note 8)
MAX
(Note 20) UNITS
Serial Interface Specification for SCL, SDA, A0, A1, A2 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
SDA and SCL Input Buffer
Hysteresis
VLOGIC > 2V
0.05 x VLOGIC
V
VLOGIC < 2V
0.1 x VLOGIC
V
VOL
SDA Output Buffer LOW Voltage
IOL = 3mA, VLOGIC > 2V
0
0.4
V
IOL = 1.5mA, VLOGIC < 2V
0.2 x VLOGIC
V
Cpin
SDA, SCL Pin Capacitance
10
pF
fSCL
SCL Frequency
400
kHz
tsp
Pulse Width Suppression Time at
SDA and SCL Inputs
Any pulse narrower than the max spec is
suppressed
50
ns
tAA
SCL Falling Edge to SDA Output
Data Valid
SCL falling edge crossing 30% of VLOGIC, until
SDA exits the 30% to 70% of VLOGIC window
900
ns
tBUF
Time the Bus Must be Free Before
the Start of a New Transmission
SDA crossing 70% of VLOGIC during a STOP
condition, to SDA crossing 70% of VLOGIC during
the following START condition
1300
ns
tLOW
Clock LOW Time
Measured at the 30% of VLOGIC crossing
1300
ns
tHIGH
Clock HIGH Time
Measured at the 70% of VLOGIC crossing
600
ns
tSU:STA
START Condition Set-up Time
SCL rising edge to SDA falling edge; both crossing
70% of VLOGIC
600
ns
tHD:STA
START Condition Hold Time
From SDA falling edge crossing 30% of VLOGIC to
SCL falling edge crossing 70% of VLOGIC
600
ns
tSU:DAT
Input Data Set-up Time
From SDA exiting the 30% to 70% of VLOGIC
window, to SCL rising edge crossing 30% of
VLOGIC
100
ns
tHD:DAT
Input Data Hold Time
From SCL falling edge crossing 70% of VLOGIC to
SDA entering the 30% to 70% of VLOGIC window
0ns
tSU:STO
STOP Condition Set-up Time
From SCL rising edge crossing 70% of VLOGIC, to
SDA rising edge crossing 30% of VLOGIC
600
ns
tHD:STO
STOP Condition Hold Time for Read
or Write
From SDA rising edge to SCL falling edge; both
crossing 70% of VLOGIC
1300
ns
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ISL23345WFRZ-T7A 功能描述:数字电位计 IC 256 TAPVOLATILE I2C QUAD FL RNG IND 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
ISL23345WFRZ-TK 功能描述:数字电位计 IC 256 TAP VOLATILE I2C QD FL RNG DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
ISL23345WFVZ 功能描述:数字电位计 IC 256 TAP VOLATILE I2C QD FL RNG DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
ISL23345WFVZ-T7A 功能描述:数字电位计 IC 256 TAPVOLATILE I2C QUAD FL RNG IND 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
ISL23345WFVZ-TK 功能描述:数字电位计 IC 256 TAP VOLATILE I2C QD FL RNG DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
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