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PDF ICM7321 Data sheet ( Hoja de datos )
| Número de pieza | ICM7321 | |
| Descripción | SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS | |
| Fabricantes | ICmic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ICM7321 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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ICmic
IC MICROSYSTEMS
FEATURES
• 12/10/8-Bit Monotonic DACs in 6 lead SOT-23
Package
• Wide Output Voltage Swing
• Micro-Power
• On Board 1.25V Reference
• Serial Interface with three-wire SPI/QSPI and
Microwire Interface Compatible
• 8µs Full-Scale Settling Time
APPLICATIONS
• Battery-Powered Applications
• Industrial Process Control
• Digital Gain and Offset Adjustment
OVERVIEW
The ICM7361, ICM7341 and ICM7321 are 12-Bit, 10-Bit
and 8-Bit wide output voltage swing DACs respectively,
BLOCK DIAGRAM
ICM7361/7341/7321
SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
with guaranteed monotonic behavior. These DACs are
available in both a tiny 6-pin SOT-23 package and an 8-
pin MSOP package. They include a 1.25V reference for
ease of use and flexibility. The reference output is
available on a separate pin, in the 8-pin package version,
and can be used to drive external loads. The operating
supply range is 2.7V to 5.5V.
The input interface is an easy to use three-wire SPI/QSPI
compatible interface. The DAC has a double buffered
digitalkinput.
REFOUT
(MSOP-8
Package Only)
Reference
Input and
DAC Latch
VDD
ICM 7361/7341/7321
12/10/8 -Bit
DAC
x2
VOUT
SDI Input Control Logic, Registers and Latches
Power-On-
Reset
SCK CS
GND
PACKAGE
SOT-23
VOUT 1
GND 2
VDD 3
8-Pin MSOP
6 CS
5 SCK
4 SDI
VDD 1
REFOUT 2
NC 3
VOUT 4
8 GND
7 SDI
6 SCK
5 CS
Rev. A8
ICmic reserves the right to change the specifications without prior notice.
1
1 page  
ICmic
IC MICROSYSTEMS
ICM7361/7341/7321
SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
SCK
SDI
CS
t1
t3
t2
C3 C2
Input Word for DAC N
MSB
Figure 1: Serial Interface Timing Diagram
t5
t4
t6
CONTENTS OF INPUT SHIFT REGISTER
ICM7361 (12-Bit DAC)
MSB
LSB
C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Figure 2: Contents of ICM7361 Input Shift Register
ICM7341 (10-Bit DAC)
MSB
LSB
C3 C2 C1 C0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 X X
Figure 3: Contents of ICM7341 Input Shift Register
ICM7321 (8-Bit DAC)
MSB
LSB
C3 C2 C1 C0 D7 D6 D5 D4 D3 D2 D1 D0 X X X X
Figure 4: Contents of ICM7321 Input Shift Register
C3 C2
00
00
00
00
01
01
01
01
10
10
10
10
11
11
11
11
C1 C0 DATA
FUNCTION
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
Data
Data
Data
X
X
X
X
X
X
X
X
X
X
X
X
X
Load Input Latch
Update DAC
Load Input Latch and Update DAC
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
Table 1: Serial Interface Control Command
Rev. A8
ICmic reserves the right to change the specifications without prior notice.
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ICM7321.PDF ] | |
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