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Número de pieza | ICM7543 | |
Descripción | (ICM7523 - ICM7563) 12/10/8-Bit Low Power Quad DACs | |
Fabricantes | IC MICROSYSTEMS | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de ICM7543 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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IC MICROSYSTEMS
www.DataSheet4U.com
ICM7563/7543/7523
12/10/8-Bit Low Power Quad DACs
With Serial Interface and Voltage Output
FEATURES
• 12/10/8-Bit Quad DAC in 10 Lead MSOP
Package
• Ultra-Low Power Consumption
• Guaranteed Monotonic
• Wide Voltage Swing Output Buffer
• Three-wire SPI/QSP and Microwire Interface
Compatible
• Three Software-Selectable Power-Down Output
Impedances (1 K Ohm, 100 K Ohm and Hi-Z)
• Schmitt-Triggered Inputs for Direct Interfacing to
Opto-couplers
APPLICATION
• Battery-Powered Applications
• Industrial Process Control
• Digital Gain and Offset Adjustment
BLOCK DIAGRAM
OVERVIEW
The ICM7563, ICM7543 and ICM7523 are 12-Bit, 10-Bit
and 8-Bit Voltage Output, Low Power, Quad DACs
respectively, with guaranteed monotonic behavior. These
DACs are available in 10 Lead MSOP package. They have
three Software-Selectable Power-Down Output
Impedances (1 K Ohm, 100 K Ohm and Hi-Z) as additional
safety feature for applications that drive transducers or
valves. The operating supply range is 2.7V to 5.5V.
The input interface is an easy to use three-wire SPI, QSPI
and Microwire compatible interface. The DAC has Schmitt-
Triggered Inputs for Direct Interfacing to Opto-couplers
easily.
REFIN
ICM7563/7543/7523
INPUT
REGISTER A
DAC
REGISTER A
DAC A
INPUT
REGISTER B
DAC
REGISTER B
DAC B
INPUT
REGISTER C
DAC
REGISTER C
DAC C
INPUT
REGISTER D
DAC
REGISTER D
DAC D
x2
RESISTOR
NETWORK A
x2
RESISTOR
NETWORK B
x2
RESISTOR
NETWORK C
x2
RESISTOR
NETWORK D
VOA
VOB
VOC
VOD
INPUT CONTROL LOGIC, REGISTERS AND LATCHES
POWER DOWN CONTROL
Rev. A7
CS SDI SCK
ICmic reserves the right to change specifications without prior notice
1 page SERIAL INTERFACE TIMING AND OPERATION DIAGRAM
www.DataSheet4U.com
ICM7563/7543/7523
CS
SCK
t5
t1
t4 t6
SDI
C3 C2
C1
t2 t3
MSB
D0
LSB
Figure 1. Serial Interface Timing Diagram
CS (ENABLE
SCK)
(UPDATE
OUTPUT)
SCK
SDI
12 345
67 8
9
10 11 12
13 14
15 16
C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3
D2 D1 D0
MSB
LSB
Figure 2. Serial Interface Operation Diagram
CONTENTS OF INPUT SHIFT REGISTER
DEVICE
ICM7563
ICM7543
ICM7523
BIT CONTROL WORD
DATA WORD
MSB LSB
12 C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
10 C3 C2 C1 C0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 A1 A0
8 C3 C2 C1 C0 D7 D6 D5 D4 D3 D2 D1 D0 A3 A2 A1 A0
Figure 3. Contents of Input Shift Register
Rev. A7
ICmic reserves the right to change specifications without prior notice
5
5 Page ORDERING INFORMATION
ICM75X3 P G
Device
6 - ICM7563
4 - ICM7543
2 - ICM7523
www.DataSheet4U.com
ICM7563/7543/7523
G = RoHS Compliant Lead-Free package.
Blank = Standard package. Non lead-free.
Package
M = 10Lead MSOP
Rev. A7
ICmic reserves the right to change specifications without prior notice
11
11 Page |
Páginas | Total 11 Páginas | |
PDF Descargar | [ Datasheet ICM7543.PDF ] |
Número de pieza | Descripción | Fabricantes |
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ICM7543 | (ICM7523 - ICM7563) 12/10/8-Bit Low Power Quad DACs | IC MICROSYSTEMS |
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