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PDF CAT5114 Data sheet ( Hoja de datos )
| Número de pieza | CAT5114 | |
| Descripción | 32-Tap Digitally Potentiometer | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CAT5114 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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CAT5114
32‐tap Digital
Potentiometer (POT)
Description
The CAT5114 is a single digital POT designed as an electronic
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 CAT5114 contains a 32-tap series resistor array connected
between two terminals RH and RL. An up/down counter and decoder
that are controlled by three input pins, determines which tap is
connected to the wiper, RW. The wiper setting, stored in nonvolatile
memory, 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 affecting the stored setting.
Wiper-control of the CAT5114 is accomplished with three input
control pins, CS, U/D, and INC. The INC input increments the wiper
in the direction which is determined by the logic state of the U/D input.
The CS input is used to select the device and also store the wiper
position prior to power down.
The digital POT can be used as a three-terminal resistive divider or
as a two-terminal variable resistor. Digital POTs bring variability and
programmability to a wide variety of applications including control,
parameter adjustments, and signal processing.
Features
32-position Linear Taper Potentiometer
Non-volatile EEPROM Wiper Storage
Low Standby Current
Single Supply Operation: 2.5 V − 6.0 V
Increment Up/Down Serial Interface
Resistance Values: 10 kW, 50 kW and 100 kW
Available in PDIP, SOIC, TSSOP, MSOP and Space Saving
2 3 mm TDFN Packages
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
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
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SOIC−8
V SUFFIX
CASE 751BD
MSOP−8
Z SUFFIX
CASE 846AD
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
TDFN−8
VP2 SUFFIX
CASE 511AK
PIN CONFIGURATIONS
INC
U/D
RH
GND
1
VCC
CS
RL
RWB
PDIP (L), SOIC (V), MSOP (Z)
1
CS
VCC
INC
U/D
TSSOP (Y)
RL
RWB
GND
RH
INC
U/D
RH
GND
1
TDFN (VP2)
(Top Views)
VCC
CS
RL
RWB
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
Semiconductor Components Industries, LLC, 2013
June, 2013 − Rev. 23
1
Publication Order Number:
CAT5114/D
1 page  
CAT5114
Table 5. DC ELECTRICAL CHARACTERISTICS (VCC = +2.5 V to +6 V unless otherwise specified)
Symbol
Parameter
Conditions
Min Typ
POWER SUPPLY
VCC Operating Voltage Range
ICC1 Supply Current (Increment)
ICC2 Supply Current (Write)
ISB1 (Note 4) Supply Current (Standby)
LOGIC INPUTS
VCC = 6 V, f = 1 MHz, IW = 0
VCC = 6 V, f = 250 kHz, IW = 0
Programming, VCC = 6 V
VCC = 3 V
CS = VCC − 0.3 V
U/D, INC = VCC − 0.3 V or GND
2.5
–
–
–
–
–
–
–
–
–
–
−
IIH Input Leakage Current
IIL Input Leakage Current
VIH2 CMOS High Level Input Voltage
VIL2 CMOS Low Level Input Voltage
POTENTIOMETER CHARACTERISTICS
VIN = VCC
VIN = 0 V
2.5 V VCC 6 V
–
–
VCC x 0.7
−0.3
–
–
–
–
RPOT
Potentiometer Resistance
−10 Device
−50 Device
10
50
−00 Device
100
Pot. Resistance Tolerance
VRH Voltage on RH pin
VRL Voltage on RL pin
Resolution
0
0
3.2
INL Integral Linearity Error
IW 2 mA
0.5
DNL
Differential Linearity Error
IW 2 mA
0.25
RWI Wiper Resistance
VCC = 5 V, IW = 1 mA
70
VCC = 2.5 V, IW = 1 mA
150
IW Wiper Current
−4.4
TCRPOT
TC of Pot Resistance
300
TCRATIO
Ratiometric TC
VN Noise
100 kHz / 1 kHz
8/24
CH/CL/CW
Potentiometer Capacitances
8/8/25
fc Frequency Response
Passive Attenuator, 10 kW
1.7
3. This parameter is tested initially and after a design or process change that affects the parameter.
4. Latch−up protection is provided for stresses up to 100 mA on address and data pins from −1 V to VCC + 1 V.
5. IW = source or sink.
6. These parameters are periodically sampled and are not 100% tested.
Max
6.0
100
50
1000
500
1
10
−10
VCC + 0.3
VCC x 0.2
20
VCC
VCC
1
0.5
200
400
4.4
20
Units
V
mA
mA
mA
mA
mA
mA
mA
V
V
kW
%
V
V
%
LSB
LSB
W
W
mA
ppm/C
ppm/C
nV/Hz
pF
MHz
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5
5 Page 
PIN # 1
IDENTIFICATION
TOP VIEW
CAT5114
PACKAGE DIMENSIONS
SOIC 8, 150 mils
CASE 751BD
ISSUE O
E1 E
SYMBOL
A
A1
b
c
D
E
E1
e
h
L
θ
MIN
1.35
0.10
0.33
0.19
4.80
5.80
3.80
0.25
0.40
0º
NOM
1.27 BSC
MAX
1.75
0.25
0.51
0.25
5.00
6.20
4.00
0.50
1.27
8º
D
A1
A
eb
SIDE VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MS-012.
h
θ
L
END VIEW
c
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11
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| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet CAT5114.PDF ] | |
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