参数资料
型号: ISL23445WFVZ
厂商: Intersil
文件页数: 18/20页
文件大小: 0K
描述: IC DGTL POT 256POS 10K 20TSSOP
产品培训模块: Solutions for Industrial Control Applications
标准包装: 740
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: 4 线 SPI(芯片选择)
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: *
ISL23445
7
FN7874.0
June 21, 2011
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
VOL
SDO Output Buffer LOW Voltage
IOL = 3mA, VLOGIC > 2V
0
0.4
V
IOL = 1.5mA, VLOGIC < 2V
0.2 x VLOGIC
V
Rpu
SDO Pull-up Resistor Off-chip
Maximum is determined by tRO and tFO with
maximum bus load Cb = 30pF, fSCK =5MHz
1.5
k
Ω
Cpin
SCK, SDO, SDI, CS Pin Capacitance
10
pF
fSCK
SCK Frequency
VLOGIC = 1.7V to 5.5V
5
MHz
VLOGIC = 1.2V to 1.6V
1
MHz
tCYC
SPI Clock Cycle Time
VLOGIC ≥ 1.7V
200
ns
tWH
SPI Clock High Time
VLOGIC ≥ 1.7V
100
ns
tWL
SPI Clock Low Time
VLOGIC ≥ 1.7V
100
ns
tLEAD
Lead Time
VLOGIC ≥ 1.7V
250
ns
tLAG
Lag Time
VLOGIC ≥ 1.7V
250
ns
tSU
SDI, SCK and CS Input Setup Time VLOGIC ≥ 1.7V
50
ns
tH
SDI, SCK and CS Input Hold Time
VLOGIC ≥ 1.7V
50
ns
tRI
SDI, SCK and CS Input Rise Time
VLOGIC ≥ 1.7V
10
ns
tFI
SDI, SCK and CS Input Fall Time
VLOGIC ≥ 1.7V
10
20
ns
tDIS
SDO Output Disable Time
VLOGIC ≥ 1.7V
0
100
ns
tSO
SDO Output Setup Time
VLOGIC ≥ 1.7V
50
ns
tV
SDO Output Valid Time
VLOGIC ≥ 1.7V
150
ns
tHO
SDO Output Hold Time
VLOGIC ≥ 1.7V
0
ns
tRO
SDO Output Rise Time
Rpu = 1.5k, Cbus = 30pF
60
ns
tFO
SDO Output Fall Time
Rpu = 1.5k, Cbus = 30pF
60
ns
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
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