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CAT5269YI-00TE13 Datasheet(PDF) 3 Page - Catalyst Semiconductor

Part # CAT5269YI-00TE13
Description  Dual Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT5269YI-00TE13 Datasheet(HTML) 3 Page - Catalyst Semiconductor

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CAT5269
Document No. 2123, Rev. B
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias ................. –55
°C to +125°C
Storage Temperature ....................... –65
°C to +150°C
Voltage on any Pin with
Respect toVSS(1)(2) ................ –2.0V to +VCC +2.0V
VCC with Respect to Ground ............... –2.0V to +7.0V
Package Power Dissipation
Capability (Ta = 25
°C)................................... 1.0W
Lead Soldering Temperature (10 secs) ............ 300
°C
Wiper Current .................................................... +6mA
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) Absolute linearity is utilitzed 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. It is a measure of the error in step size.
(4) LSB = RTOT / 255 or (RH - RL) / 255, single pot
(5) n = 0, 1, 2, ..., 255
*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.
Note:
(1) The minimum DC input voltage is –0.5V. During transitions, inputs may undershoot to –2.0V for periods of less than 20 ns.
Maximum DC voltage on output pins is VCC +0.5V, which may overshoot to VCC +2.0V for periods of less than 20 ns.
(2) Latch-up protection is provided for stresses up to 100 mA on address and data pins from –1V to VCC +1V.
Recommended Operating Conditions:
VCC = +2.5V to +6.0V
Temperature
Min
Max
Industrial
-40
°C85°C
POTENTIOMETER CHARACTERISTICS
(Over recommended operating conditions unless otherwise stated.)
Limits
Symbol
Parameter
Min.
Typ.
Max.
Units
Test Conditions
RPOT
Potentiometer Resistance (100K
Ω)
100
k
RPOT
Potentiometer Resistance (50K
Ω)
50
k
Potentiometer Resistance
+20
%
Tolerance
RPOT Matching
1
%
Power Rating
50
mW
25
°C, each pot
IW
Wiper Current
+3
mA
RW
Wiper Resistance
200
300
IW = +3mA @ VCC = 3V
RW
Wiper Resistance
100
150
IW = +3mA @ VCC = 5V
VTERM
Voltage on any RH or RL Pin
VSS
VCC
VVSS = 0V
VN
Noise
nV/
√Hz
(1)
Resolution
0.4
%
Absolute Linearity (2)
+1
LSB (4)
Rw(n)(actual)-R(n)(expected)(5)
Relative Linearity (3)
+0.2
LSB (4)
Rw(n+1)-[Rw(n)+LSB](5)
Temperature Coefficient of
+300
ppm/˚C
(1)
TCRPOT
RPOT
TCRATIO
Ratiometric Temp. Coefficient
20
ppm/˚C
(1)
CH/CL/CW
Potentiometer Capacitances
10/10/25
pF
(1)
fc
Frequency Response
0.4
MHz
RPOT = 50K
(1)


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