CAT5132_06 Datasheet, PDF (3/14 Pages) Catalyst Semiconductor – 16 Volt Digitally Programmable Potentiometer

CAT5132
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Temperature Under Bias....................-55˚C to +125˚C
Storage Temperature ........................ -65˚C to +150˚C
Voltage on any SDA, SCL, A0 & A1 pins with respect
to Ground ⁽¹⁾ ................................. -0.3V to V_CC + 0.3V
Voltage on R_H, R_L & R_W pins with respect
to Ground ................................................................ V+
V_CC with respect to Ground .................... -0.3V to +6V
V+ with respect to Ground ................. -0.3V to +16.5V
Wiper Current (10 sec) ...................................... +6mA
Lead Soldering temperature (10 sec) .............. +300˚C
VCC = +2.7V to +5.5V
V+ = +8.0V to +16V
Operating Temperature Range: -40˚C to +85˚C
COMMENT
Stresses above those listed under “Absolute Maximum Ratings” may
cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions
outside of those listed in the operational sections of this specification is not
implied. Exposure to any absolute maximum rating for extended periods
may affect device performance and reliability.
Notes:
1. Latch-up protection is provided for stresses up to 100mA on
address and data pins from -0.3V to V_CC +0.3V.
POTENTIOMETER CHARACTERISTICS
(Over recommended operating conditions unless otherwise stated.)
Symbol
Parameter
Test Conditions
R_POT Potentiometer Resistance (100kΩ)
R_POT Potentiometer Resistance (50kΩ)
R_POT Potentiometer Resistance (10kΩ)
R
Potentiometer Resistance Tolerance
TOL
Power Rating
I_W
Wiper Current
R_W
Wiper Resistance
V_TERM
RES
A
LIN
R_LIN
TC_RPOT
TC_Ratio
C_H/C_L/C_W
fc
Voltage on R_W, R_H or R_L
Resolution
Absolute Linearity ⁽²⁾
Relative Linearity ⁽³⁾
Temperature Coefficient of R_POT
Ratiometric Temperature Coefficient
Potentiometer Capacitances
Frequency Response
25° C
I_W = +1mA @ V+ = 12V
I_W = +1mA @ V+ = 8V
GND = 0V; V+ = 8V to 16V
V
-V
(5), (6)
W(n)(actual) W(n)(expected)
V_W(n+1) - [V_W(n)+LSB]^{(5), (6)}
(1)
(1)
(1)
R_POT = 50kΩ
Min
GND
Limits
Typ
100
50
10
70
110
0.78
+300
10/10/25
0.4
Max
+20
50
+3
150
200
V+
+1
+0.5
30
Units
kΩ
kΩ
kΩ
%
mW
mA
Ω
Ω
V
%
LSB ⁽⁴⁾
LSB ⁽⁴⁾
ppm/° C
ppm/° C
pF
MHz
Notes:
1. This parameter is tested initially and after a design or process change that affects the parameter.
2. Absolute linearity is utilized to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a
potentiometer.
3. Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a potentiometer.
4. LSB = (R_{HM -} R_LM)/127; where R_HM and R_LM are the highest and lowest measured values on the wiper terminal.
5. n = 1, 2, ..., 127
6. V⁺ @ R_H; 0V @ R_L; V_W measured @ R_W with no load.
© 2006 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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Doc No. 25092, Rev. 04