ICM7363/7343/7323
QUAD 12/10/8-BIT VOLTAGE-OUTPUT DACS
IC MICROSYSTEMS
t1
SCK
t3
t2
SDI
CS
C3
C2
LSB
t5
Input Word for DAC N
t4
t6
t8
SDO
C3
C2
Input Word for DAC N
Figure 1: Serial Interface Timing Diagram
CONTENTS OF INPUT SHIFT REGISTER
ICM7363 (12-Bit DAC)
MSB
LSB
D1 D0
C3
C2
C1
C0
C0
C0
D11
D9
D10
D9
D8
D7
D6
D5
D4
D3
D1
X
D2
D0
X
Figure 2: Contents of ICM7363 Input Shift Register
ICM7343 (10-Bit DAC)
MSB
LSB
X
C3
C2
C1
D8
D7
D6
D5
D4
D3
D2
X
Figure 3: Contents of ICM7343 Input Shift Register
ICM7323 (8-Bit DAC)
MSB
LSB
X
C3
C2
C1
D7
D6
D5
D4
D3
D2
D1
D0
X
Figure 4: Contents of ICM7323 Input Shift Register
Rev. A8
ICmic reserves the right to change the specifications without prior notice.
5
ICMIC [ IC MICROSYSTEMS ]
