Os motores de busca de Datasheet de Componentes eletrônicos
Selected language     Portuguese  ▼

Delete All
ON OFF
ALLDATASHEETPT.COM

X  

Preview PDF Download HTML

CAT524 Folha de dados(PDF) 1 Page - Catalyst Semiconductor

Nome de Peças. CAT524
descrição  Configured Digitally Programmable Potentiometer
Download  13 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fbricantes  CATALYST [Catalyst Semiconductor]
Página de início  http://www.catalyst-semiconductor.com
Logo 

CAT524 Folha de dados(HTML) 1 Page - Catalyst Semiconductor

 
Zoom Inzoom in Zoom Outzoom out
 1 / 13 page
background image
1
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
FEATURES
s Four 8-bit DPPs configured as programmable
voltage sources in DAC-like applications
s Common reference inputs
s Buffered wiper outputs
s Non-volatile NVRAM memory wiper storage
s Output voltage range includes both supply rails
s 4 independently addressable buffered
output wipers
s 1 LSB accuracy, high resolution
s Serial Microwire-like interface
s Single supply operation: 2.7V - 5.5V
s Setting read-back without effecting outputs
APPLICATIONS
s Automated product calibration
s Remote control adjustment of equipment
s Offset, gain and zero adjustments in
self-calibrating and adaptive control systems
s Tamper-proof calibrations
s DAC (with memory) substitute
DESCRIPTION
The CAT524 is a quad, 8-bit digitally-programmable
potentiometer (DPP™) configured for programmable
voltage and DAC-like applications. Intended for final
calibration of products such as camcorders, fax
machines and cellular telephones on automated high
volume production lines, it is also well suited for
self-calibrating systems and for applications where
equipment which requires periodic adjustment is either
difficult to access or in a hazardous environment.
The four independently programmable DPPs have an
output range which
includes both supply rails. The
wipers are buffered by rail to rail op amps.
Wiper
settings, stored in non-volatile NVRAM memory, are not
lost when the device is powered down and are
automatically reinstated when power is returned. Each
wiper can be dithered to test new output values without
effecting the stored settings, and stored settings can be
read back without disturbing the DPP’s output.
The CAT524 is controlled with a simple 3-wire serial,
Microwire-like interface. A Chip Select pin allows several
devices to share a common serial interface.
Communication back to the host controller is via a single
serial data line thanks to the Tri-Stated CAT524 Data
Output pin. A RDY/
BSY output working in concert with
an internal low voltage detector signals proper operation
of the non-volatile NVRAM memory Erase/Write cycle.
The CAT524 is available in the 0˚C to 70˚C commercial
and -40˚C to 85˚C industrial operating temperature
ranges. Both 14-pin plastic DIP and SOIC packages are
offered.
FUNCTIONAL DIAGRAM
PIN CONFIGURATION
CAT524
Configured Digitally Programmable Potentiometer (DPP™):
Programmable Voltage Applications
DIP Package (P, L)
SOIC Package (J, W)
CAT524
Doc. No. 2006, Rev. E
RDY/
BSY
CLK
CS
PROG
DI
DO
VDD
2
3
4
13
12
11
5
6
7
10
9
8
114
GND
VREFH
VOUT1
VOUT2
VOUT3
VOUT4
VREFL
CLK
CS
PROG
DI
DO
VDD
2
3
4
13
12
11
5
6
7
10
9
8
114
GND
VREFH
VOUT1
VOUT2
VOUT3
VOUT4
VREFL
CAT
524
CAT
524
RDY/
BSY
ALO
GEN FR
TM
LEAD FREE
RDY/BSY
PROG
PROGRAM
CONTROL
DI
CS
CLK
SERIAL
CONTROL
SERIAL
DATA
OUTPUT
REGISTER
GND
V
REFL
V
REFH
V
DD
31
14
7
5
2
4
V
13
11
10
6
12
OUT2
V
V
OUT1
V
OUT3
OUT4
DO
+
+
+
+
9
8
WIPER
CONTROL
REGISTERS
AND
NVRAM
24k
Ω(4)


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13 


Datasheet Download




Ligação URL




Privacy Policy
ALLDATASHEETPT.COM
ALLDATASHEET é util para você?  [ DONATE ]  

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Política de Privacidade   |   Troca de Link   |   Lista de Fabricantes
All Rights Reserved© Alldatasheetpt.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn