ICM7373 Datasheet, PDF (7/11 Pages) IC MICROSYSTEMS – Dual 12/10/8-Bit Voltage Output DACs Serial Interface with Adjustable Output Gain

ICmic
IC MICROSYSTEMS
ICM7373/7353/7333
Dual 12/10/8-Bit Voltage Output DACs
Serial Interface with Adjustable Output Gain
CONTENTS OF INPUT SHIFT REGISTER
ICM7373 (12-Bit DAC)
MSB
LSB
C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
CONTROL WORD
DATA WORD
Figure 3. Contents of ICM7373 Input Shift Register
ICM7353 (10-Bit DAC)
MSB
C3 C2 C1 C0
CONTROL WORD
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
DATA WORD
Figure 4. Contents of ICM7353 Input Shift Register
LSB
XX
XX
ICM7333 (8-Bit DAC)
MSB
LSB
C3 C2 C1 C0 D7 D6 D5 D4 D3 D2 D1 D0 X X X X
CONTROL WORD
DATA WORD
XXX X
Figure 5. Contents of ICM7333 Input Shift Register
C3 C2 C1 C0 DATA (D0 - D11)
FUNCTION
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Data
Data
Data
Data
Data
Data
X
X
X
X
X
X
Data
Data
Data
X
Load Input Latch DAC A
Update DAC A
Load Input Latch and Update DAC A
Load Input Latch DAC B
Update DAC B
Load Input Latch and Update DAC B
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
Load Input Latch All DACs
Update All DACs
Load Input Latch and Update All DACs
No Operation
Table 1. Serial Interface Input Word
Rev. A1
ICmic reserves the right to change the specifications without prior notice.
7