X9268 datasheet(15/22 Pages) RENESAS

15 / 22 page

X9268

FN8172 Rev.4.00

Page 15 of 22

August 29, 2006

ABSOLUTE MAXIMUM RATINGS

Temperature under bias .................... -65

C to +135C

Storage temperature ......................... -65

C to +150C

Voltage on SDA, SCL or any address input

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

Voltage on V+ (referenced to VSS)........................10V

Voltage on V- (referenced to VSS)........................-10V

(V+) - (V-) .............................................................. 12V

Any VH/RH ..............................................................V+

Any VL/RL.................................................................V-

Lead temperature (soldering, 10s) .................. +300

C

IW (10s) ..............................................................±6mA

COMMENT

Stresses above those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only; the 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.

POTENTIOMETER CHARACTERISTICS

(Over recommended operating conditions unless otherwise stated.)

Notes: (1) Absolute linearity is utilized to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a

potentiometer.

(2) Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a

potentiometer. It is a measure of the error in step size.

(3) MI = RTOT / 255 or (RH - RL) / 255, single pot

(4) During power-up VCC > VH, VL, and VW.

(5) n = 0, 1, 2, …,255; m =0, 1, 2, …, 254.

RECOMMENDED OPERATING CONDITIONS

Temp

Min.

Max.

Commercial

C+70C

Industrial

-40

C+85C

Device

Supply Voltage (VCC)(4) Limits

X9268

10%

X9268-2.7

2.7V to 5.5V

V+

2.7V to 5.5V

V-

-2.7V to -5.5V

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

RTOTAL

End to End Resistance

T version

100



RTOTAL

End to EndResistance

U version



End to end resistance tolerance

±20

Power rating

+25°C, each pot

Wiper current

±3

Wiper resistance

IW =  1mA, V+ = 3V; V- = -3V

250



Wiper resistance

IW =  1mA, V+ = 5V; V- = -5V

150



V+

Voltage on V+ Pin

X9268

+4.5

+5.5

X9268-2.7

+2.7

+5.5

V-

Voltage on V- Pin

X9268

-5.5

-4.5

X9268 -2.7

-5.5

-2.7

VTERM

Voltage on any VH/RH or VL/RL pin

V-

V+

Noise

Ref: 1kHz

-120

dBV

Resolution (4)

0.4

Absolute linearity (1)

Vw(n)(actual) - Vw(n)(expected)

±1

MI(3)

Relative linearity (2)

Vw(n + 1) - [Vw(n) + MI]±0.6

MI(3)

Temperature coefficient of resistance

300

ppm/

C

Ratiometric Temperature Coefficient

±20

ppm/°C

CH/CL/CW Potentiometer Capacitance

See Circuit #3

10/10/25

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