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ISL23445WFVZ Datasheet(PDF) 4 Page - Intersil Corporation

Part # ISL23445WFVZ
Description  Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP??
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL23445WFVZ Datasheet(HTML) 4 Page - Intersil Corporation

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ISL23445
4
FN7874.0
June 21, 2011
Absolute Maximum Ratings
Thermal Information
Supply Voltage Range
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
VLOGIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Voltage on Any DCP Terminal Pin. . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Voltage on Any Digital Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Wiper Current IW (10s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
ESD Rating
Human Body Model (Tested per JESD22-A114E) . . . . . . . . . . . . . . . . 6kV
CDM Model (Tested per JESD22-A114E) . . . . . . . . . . . . . . . . . . . . . . . 1kV
Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . 300V
Latch Up (Tested per JESD-78B; Class 2, Level A) . . . . 100mA @ +125°C
Thermal Resistance (Typical)
θJA (°C/W)
θJC (°C/W)
20 Ld TSSOP Package (Notes 4, 7) . . . . . .
85
33
20 Ld QFN Package (Notes 5, 6) . . . . . . . .
40
4
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . .+150°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
VCC Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7V to 5.5V
VLOGIC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2V to 5.5V
DCP Terminal Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to VCC
Max Wiper Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3mA
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
5.
θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379
6. For
θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
7. For
θJC, the “case temp” location is taken at the package top center.
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.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20) TYP (Note 8)
MAX
(Note 20)
UNITS
RTOTAL
RH to RL Resistance
W option
10
kΩ
U option
50
kΩ
T option
100
kΩ
RH to RL Resistance Tolerance
-20
±2
+20
%
End-to-End Temperature Coefficient
W option
125
ppm/°C
U option
65
ppm/°C
T option
45
ppm/°C
VRH, VRL
DCP Terminal Voltage
VRH or VRL to GND
0VCC
V
RW
Wiper Resistance
RH - floating, VRL = 0V, force IW current to the
wiper,
IW = (VCC - VRL)/RTOTAL,
VCC = 2.7V to 5.5V
70
200
VCC = 1.7V
580
CH/CL/CW Terminal Capacitance
See “DCP Macro Model” on page 9
32/32/32
pF
ILkgDCP
Leakage on DCP Pins
Voltage at pin from GND to VCC
-0.4
< 0.1
0.4
µA
Noise
Resistor Noise Density
Wiper at middle point, W option
16
Wiper at middle point, U option
49
Wiper at middle point, T option
61
Feed Thru Digital Feed-through from Bus to Wiper Wiper at middle point
-65
dB
PSRR
Power Supply Reject Ratio
Wiper output change if VCC change ±10%; wiper
at middle point
-75
dB
nV Hz
nV Hz
nV Hz


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