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PDF ICM7322 Data sheet ( Hoja de datos )
| Número de pieza | ICM7322 | |
| Descripción | DUAL 12/10/8-BIT VOLTAGE-OUTPUT DACS | |
| Fabricantes | ICmic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ICM7322 (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 Dual DACs in 10 lead
MSOP Package
• Wide Output Voltage Swing
• 100 µA per DAC
• On Board 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 ICM7362, ICM7342 and ICM7322 are Dual 12-Bit, 10-
Bit and 8-Bit wide output voltage swing DACs respectively,
ICM7362/7342/7322
DUAL 12/10/8-BIT VOLTAGE-OUTPUT DACS
with guaranteed monotonic behavior. They include a
1.25V reference for ease of use and flexibility. The
reference output is available on a separate pin and can be
used to drive the reference input of each DAC. Alternately,
each DAC can be driven by an external reference. The
operating supply range is 2.7V to 5.5V.
The input interface is an easy to use three-wire SPI/QSPI
compatible interface. Each DAC can be individually
controlled and has a double buffered digital input.
BLOCK DIAGRAM
REFOUT
Reference
Input and
DAC Latch
REFB REFA
VDD
ICM 7362/7342/7322
12/10/8 -Bit
DAC A
x2
VOUT A
Input and
DAC Latch
12/10/8 -Bit
DAC B
x2
VOUT B
SDI Input Control Logic, Registers and Latches
SCK CS GND
Power-On-
Reset
Rev. A8
ICmic reserves the right to change the specifications without prior notice.
1
1 page  
ICmic
IC MICROSYSTEMS
ICM7362/7342/7322
DUAL 12/10/8-BIT VOLTAGE-OUTPUT DACS
CONTENTS OF INPUT SHIFT REGISTER
ICM7362 (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 ICM7362 Input Shift Register
ICM7342 (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 ICM7342 Input Shift Register
ICM7322 (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 ICM7322 Input Shift Register
C3 C2
00
00
00
00
01
01
01
01
10
10
10
10
11
11
11
11
C1 C0 DATA
DAC
FUNCTION
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
Data
Data
Data
Data
Data
Data
X
X
X
X
X
X
Data
Data
Data
X
A
A
A
B
B
B
X
X
X
X
X
X
A&B
A&B
A&B
X
Load Input Latch
Update DAC
Load Input Latch and Update DAC
Load Input Latch
Update DAC
Load Input Latch and Update DAC
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
Load Input Latch
Update DAC
Load Input Latch and Update DAC
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 ICM7322.PDF ] | |
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