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PDF CAT5129 Data sheet ( Hoja de datos )
| Número de pieza | CAT5129 | |
| Descripción | (CAT5127 / CAT5129) Digitally Programmable Potentiometers | |
| Fabricantes | Catalyst Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CAT5129 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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CAT5127, CAT5129
32-Tap Digitally Programmable Potentiometer (DPP™)
FEATURES
32-position linear taper potentiometer
Non-volatile EEPROM wiper storage
Low standby current
Single supply operation: 2.5V – 5.5V
Increment Up/Down serial interface
Resistance values: 10kΩ, 50kΩ and 100kΩ
CAT5127 in tiny 8 lead 2mmx2.5mm TDFN and
MSOP packages
CAT5129 in the 6 lead TSOT23 package
APPLICATION
Automated product calibration
Remote control adjustments
Offset, gain and zero control
Tamper-proof calibrations
Contrast, brightness and volume controls
Motor controls and feedback systems
Programmable analog functions
For Ordering Information details, see page 11.
FUNCTIONAL DIAGRAM
CAT5127
VCC
DESCRIPTION
The CAT5127/CAT5129 are single digitally program–
mable potentiometers (DPP™) designed as a electro–
nic replacement for mechanical potentiometers and
trim pots. Ideal for automated adjustments on high
volume production lines, they are also well suited for
applications where equipment requiring periodic
adjustment is either difficult to access or located in a
hazardous or remote environment.
The CAT5127 contains a 32-tap series resistor array
connected between two terminals RH and RL. The
CAT5129 contains a 32-tap series resistor array
connected between two terminals RH and GND. An
up/down counter and decoder that are controlled by
three input pins, determines which tap is connected to
the wiper. The wiper setting, stored in nonvolatile me–
mory, is not lost when the device is powered down
and is automatically reinstated when power is
returned. The wiper can be adjusted to test new
system values without effecting the stored setting.
Wiper-control of the CAT5127/CAT5129 is
accomplished with three input control pins, C¯¯S, U/D¯,
and I¯N¯C¯. The I¯N¯C¯ input increments the wiper in the
direction which is determined by the logic state of the
U/D¯ input. The C¯¯S input is used to select the device
and also store the wiper position prior to power down.
The devices are used as two-terminal variable
resistors. DPPs bring variability and programmability
to a wide variety of applications including control,
parameter adjustments, and signal processing.
CAT5129
VCC
(U/D)
(INC)
(CS)
Control
and
Memory
POR
RH
RL
(U/D)
(INC)
(CS)
Control
and
Memory
POR
RH
GND
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
GND
1 Doc. No. 2127 Rev. A
1 page  
www.DataSheet4U.com
CAT5127, CAT5129
DC ELECTRICAL CHARACTERISTICS
VCC = +2.5V to +5.5V unless otherwise specified
Power Supply
Symbol Parameter
Conditions
VCC
ICC1
ICC2
ISB1(1)
Operating Voltage Range
Supply Current (Increment)
Supply Current (Write)
Supply Current (Standby)
VCC = 5.5V, f = 1MHz, IW = 0
Programming, VCC = 5.5V
VCC = 3V
C¯¯S = VCC
U/D¯, I¯N¯C¯ = VCC or GND
Logic Inputs
Symbol Parameter
Conditions
IIH Input Leakage Current
VIN = VCC
IIL Input Leakage Current
VIN = 0V
VIH1 TTL High Level Input Voltage
VIL1 TTL Low Level Input Voltage
4.5V ≤ VCC ≤ 5.5V
VIH2
VIL2
CMOS High Level Input Voltage
CMOS Low Level Input Voltage 2.5V ≤ VCC ≤ 6V
Min
2.5
Min
2
0
VCC x 0.7
-0.3
Typ Max
5.5
0.4 10
300 1000
150 500
0.35 1
Typ Max
10
-10
VCC
0.8
VCC + 0.3
VCC x 0.2
Units
V
µA
µA
µA
µA
Units
µA
µA
V
V
V
V
POTENTIOMETER CHARACTERISTICS
Symbol Parameter
RPOT
Potentiometer Resistance
RTOL
VRH
VRL
RES
INL
DNL
Pot Resistance Tolerance
Voltage on RH pin
Voltage on RL pin
Resolution
Integral Linearity Error
Differential Linearity Error
RWi Wiper Resistance
IW (2)
TCRPOT (3)
TCRATIO (3)
VN (3)
CH/CL/CW (3)
Fc (3)
Wiper Current
TC of Pot Resistance
Ratiometric TC
Noise
Potentiometer Capacitances
Frequency Response
Conditions
-10 Device
-50 Device
-00 Device
IW ≤ 2µA
IW ≤ 2µA
VCC = 5V, IW = 1mA
VCC = 2.5V, IW = 1mA
100kHz / 1kHz
Passive Attenuator, 10kΩ
Min Typ Max Units
10
50 kΩ
100
± 20 %
0
VCC
V
0
VCC
V
3.2 %
0.5 1 LSB
0.25 0.5 LSB
70 400 Ω
150 1000 Ω
1 mA
±30 ±300 ppm/ºC
±3 20 ppm/ºC
8/24 nV/√Hz
8/8/25
pF
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.
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
Doc. No. 2127 Rev. A
5 Page 
www.DataSheet4U.com
CAT5127, CAT5129
EXAMPLE OF ORDERING INFORMATION
Prefix Device #
CAT
5127
Suffix
Z
I
-10 – G T3
Company ID
Temperature Range
I = Industrial (-40ºC to 85ºC)
Product Number
5127
5129
Package
Z: MSOP
TD: TSOT23
ZD7: TDFN
Resistance
-10: 10k ohms
-50: 50k ohms
-00: 100k ohms
Tape & Reel
T: Tape & Reel
3: 3000/Reel
Lead Finish
Blank: Matte-Tin
G: NiPdAu
Notes:
(1) All packages are RoHS-compliant (Lead-free, Halogen-free).
(2) The standard lead finish is Matte-Tin.
(3) The device used in the above example is a CAT5127ZI-10-GT3 (MSOP, Industrial Temperature range, 10kΩ, NiPdAu, Tape & Reel).
(4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office.
ORDERING INFORMATION
Device
CAT5127
CAT5129
Ordering Part Number
CAT5127ZI-10-T3
CAT5127ZI-50-T3(5)
CAT5127ZI-00-T3(5)
CAT5127ZI-10-GT3
CAT5127ZI-50-GT3(5)
CAT5127ZI-00-GT3(5)
CAT5127ZD7I-10-GT3
CAT5127ZD7I-50-GT3(5)
CAT5127ZD7I-00-GT3(5)
CAT5129TDI-10-T3
CAT5129TDI-50-T3(5)
CAT5129TDI-00-T3(5)
CAT5129TDI-10-GT3
CAT5129TDI-50-GT3(5)
CAT5129TDI-00-GT3(5)
Resistor [kΩ]
10
50
100
10
50
100
10
50
100
10
50
100
10
50
100
Notes:
(5) Contact factory for availability.
(6) y = Production year (digit), m = Production month (digit).
Top Marking
ABPU
ABPV
ABPY
ABNA
ABNB
ABNK
HB
HC
HD
PDym(6)
PEym(6)
PFym(6)
PAym(6)
PBym(6)
PCym(6)
Pin/Package
MSOP-8
MSOP-8
MSOP-8
MSOP-8
MSOP-8
MSOP-8
TDFN-8
TDFN-8
TDFN-8
TSOT23-6
TSOT23-6
TSOT23-6
TSOT23-6
TSOT23-6
TSOT23-6
Part Per Reel
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
11
Doc. No. 2127 Rev. A
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CAT5129.PDF ] | |
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