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 V
CC
with Respect to V
SS ...............................
–1V to +7V
Voltage on V
H
and V
L
Referenced to V
SS
∆V
= |V
H
–V
L
|
X9312Z, X9312W, X9312U, and X9312T ....... 15V
Lead Temperature (Soldering 10 seconds) ....... 300°C
Wiper Current .....................................................
±1mA
ANALOG CHARACTERISTICS
Electrical Characteristics
End-to-End Resistance Tolerance .....................
±20%
Power Rating at 25°C
X9312Z, .................................................... 225mW
X9312W, X9312U, and X9312T ................. 25mW
Wiper Current ............................................
±1mA
Max.
Typical Wiper Resistance ......................... 40Ω at 1mA
Typical Noise .......................... < –120dB/ Hz Ref: 1V
Resolution
Resistance ............................................................. 1%
Linearity
Absolute Linearity
(1) ........................................
±1.0
Ml
(2)
Relative Linearity
(3)
.....................................
±0.2
Ml
(2)
Temperature Coefficient
(–40°C to +85°C)
X9312W, X9312U and
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
Physical Characteristics
Marking Includes
Manufacturer’s Trademark
Resistance Value or Code
Date Code
Test Circuit #2
*COMMENT
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
rating conditions for extended periods may affect device
reliability.
Test Circuit #1
VH
VH
TEST POINT
TEST POINT
VW
VL
3865 FHD F04
VW
VL
FORCE
CURRENT
3865 FHD F05
Notes:
(1) Absolute Linearity is utilized to determine actual wiper voltage versus expected voltage
= (V
w(n)
(actual) – V
w(n)
(expected)) =
±1
Ml Maximum.
(2) 1 Ml = Minimum Increment = R
TOT
/99.
(3) Relative Linearity is a measure of the error in step size between taps = V
W(n+1)
– [V
w(n)
+ Ml] = +0.2 Ml.
4
XICOR [ XICOR INC. ]
