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PDF CAT5111 Data sheet ( Hoja de datos )
| Número de pieza | CAT5111 | |
| Descripción | 100-Tap Digitally Programmable Potentiometer | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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CAT5111
100‐tap Digital
Potentiometer (POT)
with Buffered Wiper
Description
The CAT5111 is a single digital POT designed as an electronic
replacement for mechanical potentiometers. 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 CAT5111 contains a 100-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, RWB. The CAT5111 wiper is buffered by an op
amp that operates rail to rail. The wiper setting, stored in non-volatile
memory, is not lost when the device is powered down and is
automatically recalled when power is returned. The wiper can be
adjusted to test new system values without effecting the stored setting.
Wiper-control of the CAT5111 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 buffered voltage divider. For
applications where the potentiometer is used as a 2-terminal variable
resistor, please refer to the CAT5113. The buffered wiper of the
CAT5111 is not compatible with that application.
Features
100-position Linear Taper Potentiometer
Non-volatile EEPROM Wiper Storage; Buffered Wiper
Low Power CMOS Technology
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 and MSOP 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
Semiconductor Components Industries, LLC, 2013
June, 2013 − Rev. 20
1
http://onsemi.com
SOIC−8
V SUFFIX
CASE 751BD
MSOP−8
Z SUFFIX
CASE 846AD
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
PIN CONFIGURATIONS
INC
U/D
RH
GND
1
VCC
CS
RL
RWB
PDIP (L), SOIC (V), MSOP (Z)
1
CS
VINCCC
U/D
TSSOP (Y)
(Top Views)
RL
RGWNBD
RH
Pin Name
INC
U/D
RH
GND
RWB
RL
CS
VCC
PIN FUNCTION
Function
Increment Control
Up/Down Control
Potentiometer High Terminal
Ground
Buffered Wiper Terminal
Potentiometer Low Terminal
Chip Select
Supply Voltage
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
Publication Order Number:
CAT5111/D
1 page  
CAT5111
Table 4. 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)
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
–
–
–
–
–
–
–
–
–
–
75
LOGIC INPUTS
IIH Input Leakage Current
IIL Input Leakage Current
VIH1 TTL High Level Input Voltage
VIL1 TTL Low Level Input Voltage
VIH2 CMOS High Level Input Voltage
VIL2 CMOS Low Level Input Voltage
POTENTIOMETER CHARACTERISTICS
VIN = VCC
VIN = 0 V
4.5 V VCC 5.5 V
2.5 V VCC 6 V
–
–
2
0
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
1
INL
DNL
ROUT
Integral Linearity Error
Differential Linearity Error
Buffer Output Resistance
IW 2 mA
IW 2 mA
0.05 VCC VWB 0.95 VCC,
VCC = 5 V
0.5
0.25
IOUT
Buffer Output Current
0.05 VCC VWB 0.95 VCC,
VCC = 5 V
TCRPOT
TCRATIO
CRH/CRL/CRW
fc
TC of Pot Resistance
Ratiometric TC
Potentiometer Capacitances
Frequency Response
Passive Attenuator, 10 kW
300
8/8/25
1.7
VWB(SWING) Output Voltage Range
IOUT 100 mA, VCC = 5 V
0.01 VCC
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
200
100
1000
500
150
10
−10
VCC
0.8
VCC + 0.3
VCC x 0.2
20
VCC
VCC
1
0.5
1
3
20
0.99 VCC
Units
V
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
kW
%
V
V
%
LSB
LSB
W
mA
ppm/C
ppm/C
pF
MHz
http://onsemi.com
5
5 Page 
PIN # 1
IDENTIFICATION
TOP VIEW
CAT5111
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 14 Páginas | |
| PDF Descargar | [ Datasheet CAT5111.PDF ] | |
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