X9312
ABSOLUTE MAXIMUM RATINGS*
*COMMENT
Temperature under Bias .................. –65°C to +135°C
Storage Temperature ....................... –65°C to +150°C
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and the functional operation
of the device at these or any other conditions above
those listed in the operational sections of this specifica-
tion is not implied. Exposure to absolute maximum
ratingconditionsforextendedperiodsmayaffectdevice
reliability.
Voltage on CS, INC, U/D and V
CC
with Respect to V ............................... –1V to +7V
SS
Voltage on V and V Referenced to V
H
L
SS
∆V = |V –V |
H
L
X9312Z, X9312W, X9312U, and X9312T....... 15V
Lead Temperature (Soldering 10 seconds)....... 300°C
Wiper Current.....................................................±1mA
ANALOG CHARACTERISTICS
Electrical Characteristics
Temperature Coefficient
End-to-End Resistance Tolerance ..................... ±20%
Power Rating at 25°C
(–40°C to +85°C)
X9312W, X9312U and
X9312Z, .................................................... 225mW
X9312W, X9312U, and X9312T ................. 25mW
Wiper Current............................................ ±1mA Max.
Typical Wiper Resistance......................... 40Ω at 1mA
Typical Noise..........................< –120dB/ Hz Ref: 1V
X9312T.......................................+300 ppm/°C Typical
Ratiometric Temperature Coefficient ............ ±20 ppm
Wiper Adjustability
Unlimited Wiper Adjustment (Non-Store operation)
Wiper Position Store Operations ............... 10,000
Data Changes
Resolution
Resistance ............................................................. 1%
Physical Characteristics
Linearity
Marking Includes
(1)
(3)
(2)
(2)
Manufacturer’s Trademark
Resistance Value or Code
Date Code
Absolute Linearity ........................................ ±1.0 Ml
Relative Linearity ..................................... ±0.2 Ml
Test Circuit #1
Test Circuit #2
V
H
V
H
TEST POINT
TEST POINT
V
W
FORCE
CURRENT
V
W
V
L
V
L
3865 FHD F04
3865 FHD F05
Notes: (1) Absolute Linearity is utilized to determine actual wiper voltage versus expected voltage
= (V (actual) – V (expected)) = ±1 Ml Maximum.
w(n)
w(n)
(2) 1 Ml = Minimum Increment = R
/99.
TOT
(3) Relative Linearity is a measure of the error in step size between taps = V
– [V
+ Ml] = +0.2 Ml.
W(n+1)
w(n)
4
XICOR [ XICOR INC. ]
