X9312WSI 查看數據表（PDF） - Intersil

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X9312WSI

Digitally Controlled Potentiometer (XDCP™)

Intersil 

X9312

ABSOLUTE MAXIMUM RATINGS

Temperature under bias .................... -65°C to +135°C

Storage temperature ......................... -65°C to +150°C

Voltage on CS, INC, U/D and VCC

with respect to VSS ................................. -1V to +7V

∆V = |VH - VL| ........................................................ 15V

Lead temperature (soldering 10 seconds) ......... 300°C

IW (10 seconds) ...............................................±8.8mA

COMMENT

Stresses above those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only; functional operation of the

device (at these or any other conditions above those

listed in the operational sections of this specification)

is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect device

reliability.

RECOMMENDED OPERATING CONDITIONS

Temperature

Commercial

Industrial

Min.

0°C

-40°C

Max.

+70°C

+85°C

Supply Voltage (VCC)

X9312

Limits

5V ±10%

POTENTIOMETER CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)

Symbol

Parameter

End to end resistance tolerance

VVH VH terminal voltage

VVL

VL terminal voltage

Power rating

Power rating

RW

Wiper resistance

IW

Wiper current

Noise

Resolution

Absolute linearity(1)

Relative linearity(2)

RTOTAL temperature coefficient

Ratiometric temperature coefficient

CH/CL/CW Potentiometer capacitances

Min.

VSS

VSS

Limits

Typ. Max.

±20

15

15

25

225

40

100

±4.4

-120

1

±1

±0.2

±300

±20

10/10/25

Unit

%

V

V

mW

mW

Ω

mA

dBV

%

MI(3)

MI(3)

ppm/°C

ppm/°C

pF

Test Conditions/Notes

VSS = 0V

VSS = 0V

RTOTAL ≥ 10kΩ

RTOTAL = 1kΩ

IW = 1mA, VCC = 5V

Ref: 1kHz

Rw(n)(actual) - Rw(n)(expected)

Rw(n+1) - [Rw(n) + MI]

See circuit #3

Notes: (1) Absolute linearity is utilized to determine actual wiper voltage versus expected voltage = (Vw(n)(actual) - Vw(n)(expected)) = ±1 Ml

Maximum.

(2) Relative linearity is a measure of the error in step size between taps = RW(n+1 - [Rw(n) + Ml] = ±0.2 Ml.

(3) 1 Ml = Minimum Increment = RTOT/99.

4

FN8176.0

March 15, 2005

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