CAT5113 Datasheet PDF - Catalyst Semiconductor
| Part Number | CAT5113 | |
| Description | 100-Tap Digitally Programmable Potentiometer (DPP) | |
| Manufacturers | Catalyst Semiconductor | |
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CAT5113
100-Tap Digitally Programmable Potentiometer (DPP™)
FEATURES
100-position linear taper potentiometer
Non-volatile EEPROM wiper storage
10nA ultra-low standby current
Single supply operation: 2.5V – 6.0V
Increment up/down serial interface
Resistance values: 1kΩ, 10kΩ, 50kΩ and 100kΩ
Available in PDIP, SOIC, TSSOP and MSOP
packages
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
For Ordering Information details, see page 12.
DESCRIPTION
The CAT5113 is a single digitally programmable
potentiometer (DPP™) designed as a 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 CAT5113 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, 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 CAT5113 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 digitally programmable potentiometer can be
used as a three-terminal resistive divider or as a two-
terminal variable resistor.
FUNCTIONAL DIAGRAM
VCC
U/D
Control
INC and
Memory
CS
Power On Recall
GND
RH
RW
RL
U/D
INC
CS
VCC
GND
General
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5-BIT
UP/DOWN
COUNTER
5-BIT
NONVOLATILE
MEMORY
STORE AND
RECALL
CONTROL
CIRCUITRY
31
30
29
ONE 28
OF
THIRTY TWO
DECODER
2
1
0
Detailed
RH RH
TRANSFER RESISTOR
GATES
ARRAY
RW
RL
RW RL
Electronic Potentiometer
Implementation
1 Doc. No. MD-2009 Rev. V
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AC CONDITIONS OF TEST
VCC Range
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
2.5V ≤ VCC ≤ 6V
0.2VCC to 0.7VCC
10ns
0.5VCC
AC OPERATING CHARACTERISTICS
VCC = +2.5V to +6.0V, VH = VCC, VL = 0V, unless otherwise specified
Symbol
tCI
tDI
tID
tIL
tIH
tIC
tCPH
tCPH
tIW
tCYC
tR, tF(2)
tPU(2)
tWR
Parameter
C¯¯S to I¯N¯C¯ Setup
U/D¯ to I¯N¯C¯ Setup
U/D¯ to I¯N¯C¯ Hold
I¯N¯C¯ LOW Period
I¯N¯C¯ HIGH Period
I¯N¯C¯ Inactive to C¯¯S Inactive
C¯¯S Deselect Time (NO STORE)
C¯¯S Deselect Time (STORE)
I¯N¯C¯ to VOUT Change
I¯N¯C¯ Cycle Time
I¯N¯C¯ Input Rise and Fall Time
Power-up to Wiper Stable
Store Cycle
Min
100
50
100
250
250
1
100
10
–
1
–
–
–
A.C. TIMING
CS
tCI
INC
tCYC
tIL tIH
(store)
tIC tCPH
tDI tID
U /D
www.DataSCheAet4TU5.c1om13
Typ(1)
–
–
–
–
–
–
–
–
1
–
–
–
5
Max
–
–
–
–
–
–
–
–
5
–
500
1
10
Units
ns
ns
ns
ns
ns
µs
ns
ms
µs
µs
µs
ms
ms
90% 90%
10%
tF tR
tIW
RW
MI(3)
Notes:
(1) Typical values are for TA = 25ºC and nominal supply voltage.
(2) This parameter is periodically sampled and not 100% tested.
(3) MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
Doc. No. MD-2009 Rev. V
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for CAT5113 electronic component. |
| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ CAT5113.PDF Datasheet ] | |
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