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參數資料
| 型號： | CAT5111RI-10MSOP |
| 英文描述： | SURFACE SHIELD, ALUMINUM AND STEEL PANELS 1/8" ALUMINUM PANELS |
| 中文描述： | 100抽頭數字可編程的緩沖雨刮電位（民進黨） |
| 文件頁數： | 1/7頁 |
| 文件大小： | 67K |
| 代理商： | CAT5111RI-10MSOP |
CAT5111
100-Tap Digitally Programmable Potentiometer (DPP)
with Buffered Wiper
FEATURES
I
100-position linear taper potentiometer
I
Non-volatile NVRAM wiper storage;
buffered wiper
I
Low power CMOS technology
I
Single supply operation: 2.5V-6.0V
I
Increment up/down serial interface
I
Resistance values: 10k
I
Available in PDIP, SOIC, TSSOP and MSOP packages
,
50k
and 100k
APPLICATIONS
I
Automated product calibration
I
Remote control adjustments
I
Offset, gain and zero control
I
Tamper-proof calibrations
I
Contrast, brightness and volume controls
I
Motor controls and feedback systems
I
Programmable analog functions
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 digitally programmable potentiometer 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. DPPs bring variability and programmability
to a broad range of applications and are used primarily
to control, regulate or adjust a characteristic or parameter
of an analog circuit.
FUNCTIONAL DIAGRAM
DESCRIPTION
The CAT5111 is a single digitally programmable
potentiometer (DPP) designed as a 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 CAT5111 contains a 100-tap series resistor array
connected between two terminals R
H
and R
L
. An up/
down counter and decoder that are controlled by three
input pins, determines which tap is connected to the
wiper, R
WB
. The CAT5111 wiper is buffered by an op
amp that operates rail to rail. The wiper setting, stored in
non-volatile NVRAM 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
Electronic Potentiometer
Implementation
RH
+
–
RWB
RL
CS
INC
U
/D
Control
and
Memory
V
CC
R
R
R
WB
H
L
Power On Recall
GND
+
-
2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 2008, Rev. O
1
H
A
L
O
G
E
N
F
R
E
E
TM
L
E
A
D
F
R
E
E
相關PDF資料 |
PDF描述 |
|---|---|
| CAT5111RI-10SOIC | PANEL , ALUM 24 X 20.969 |
| CAT5111RI-10TSSOP | 100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
| CAT5111RI-50MSOP | 100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
| CAT5111RI-50SOIC | 100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
| CAT5111RI-50TSSOP | 100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT5111RI-10SOIC | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
| CAT5111RI-10TE13 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DIGITAL POTENTIOMETER|CMOS|TSSOP|8PIN|PLASTIC |
| CAT5111RI-10TSSOP | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
| CAT5111RI-50MSOP | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer (DPP) with Buffered Wiper |
| CAT5111RI-50SOIC | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:100-Tap Digitally Programmable Potentiometer |
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