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CAT5127 Datasheet(Folha de dados) 5 Page - Catalyst Semiconductor

Nome de Peças. CAT5127
descrição  32-Tap Digitally Programmable Potentiometer (DPP TM)
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Fbricantes  CATALYST [Catalyst Semiconductor]
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CAT5127, CAT5129
© 2006 Catalyst Semiconductor, Inc.
5
Doc. No. 2127 Rev. A
Characteristics subject to change without notice
DC ELECTRICAL CHARACTERISTICS
VCC = +2.5V to +5.5V unless otherwise specified
Power Supply
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VCC
Operating Voltage Range
2.5
5.5
V
ICC1
Supply Current (Increment)
VCC = 5.5V, f = 1MHz, IW = 0
0.4
10
µA
Programming, VCC = 5.5V
300
1000
µA
ICC2
Supply Current (Write)
VCC = 3V
150
500
µA
ISB1
(1)
Supply Current (Standby)
CS
¯¯ = VCC
U/D
¯, INC
¯¯¯ = VCC or GND
0.35
1
µA
Logic Inputs
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IIH
Input Leakage Current
VIN = VCC
10
µA
IIL
Input Leakage Current
VIN = 0V
-10
µA
VIH1
TTL High Level Input Voltage
2
VCC
V
VIL1
TTL Low Level Input Voltage
4.5V ≤ VCC ≤ 5.5V
0
0.8
V
VIH2
CMOS High Level Input Voltage
VCC x 0.7
VCC + 0.3
V
VIL2
CMOS Low Level Input Voltage
2.5V ≤ VCC ≤ 6V
-0.3
VCC x 0.2
V
POTENTIOMETER CHARACTERISTICS
Symbol
Parameter
Conditions
Min
Typ
Max
Units
-10 Device
10
-50 Device
50
RPOT
Potentiometer Resistance
-00 Device
100
kΩ
RTOL
Pot Resistance Tolerance
± 20
%
VRH
Voltage on RH pin
0
VCC
V
VRL
Voltage on RL pin
0
VCC
V
RES
Resolution
3.2
%
INL
Integral Linearity Error
IW ≤ 2µA
0.5
1
LSB
DNL
Differential Linearity Error
IW ≤ 2µA
0.25
0.5
LSB
VCC = 5V, IW = 1mA
70
400
RWi
Wiper Resistance
VCC = 2.5V, IW = 1mA
150
1000
IW
(2)
Wiper Current
1
mA
TCRPOT
(3)
TC of Pot Resistance
±30
±300
ppm/ºC
TCRATIO
(3)
Ratiometric TC
±3
20
ppm/ºC
VN
(3)
Noise
100kHz / 1kHz
8/24
nV/√Hz
CH/CL/CW
(3)
Potentiometer Capacitances
8/8/25
pF
Fc
(3)
Frequency Response
Passive Attenuator, 10kΩ
1.7
MHz
Notes:
(1) Latch-up protection is provided for stresses up to 100mA on address and data pins from -1V to VCC + 1V
(2) IW = source or sink
(3) These parameters are periodically sampled and are not 100% tested.




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