ICM7372/7352/7332
DUAL 12/10/8-BIT VOLTAGE-OUTPUT DACS
IC MICROSYSTEMS
with Serial Interface and Adjustable Output Offset
CONTENTS OF INPUT SHIFT REGISTER
ICM7372 (12-Bit DAC)
MSB
LSB
C3
C2
C1
C0
C0
C0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
CONTROL WORD
DATA WORD
Figure 3. Contents of ICM7372 Input Shift Register
ICM7352 (10-Bit DAC)
MSB
LSB
X
C3
C2
C1
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
X
CONTROL WORD
DATA WORD
X
Figure 4. Contents of ICM7352 Input Shift Register
ICM7332 (8-Bit DAC)
MSB
LSB
X
C3
C2
C1
D7
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
X
X
CONTROL WORD
DATA WORD
X
Figure 5. Contents of ICM7332 Input Shift Register
C3
C2
C1
C0
DATA (D11 – D0)
FUNCTION
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Data
Data
Data
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
X
No Operation
X
No Operation
X
No Operation
X
No Operation
X
No Operation
Data
Data
Data
X
Load Input Latch All DACs
Update DAC All DACs
Load Input Latch and Update All DACs
No Operation
Table 1. Serial Interface Input Word
Rev. A10
ICmic reserves the right to change the specifications without prior notice.
7
ICMIC [ IC MICROSYSTEMS ]
