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ISL23445WFVZ датащи(PDF) 7 Page - Intersil Corporation

номер детали ISL23445WFVZ
подробное описание детали  Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP??
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производитель  INTERSIL [Intersil Corporation]
домашняя страница  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL23445WFVZ датащи(HTML) 7 Page - Intersil Corporation

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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
µs
1.5
µs
3.5
µs
tShdnRec
DCP Recall Time From Shutdown Mode
CS rising edge to wiper recalled position and RH
connection
1.5
µs
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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