ISL23345UFVZ datasheet(4/19 Pages) INTERSIL

No de pièce	ISL23345UFVZ

Description	Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP??

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Fabricant	INTERSIL [Intersil Corporation]

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4 / 19 page

ISL23345

4

FN7872.0

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, 6) . . . . . .

85

33

20 Ld QFN Package (Notes 5, 7) . . . . . . . .

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 taken at the package top center.

7. For

θJC, the “case temp” location is the center of the exposed metal pad on the package underside.

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

k

Ω

U option

50

k

Ω

T option

100

k

Ω

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

Ω

VCC = 1.7V

580

Ω

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

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