MB88346LP FUJITSU [Fujitsu Component Limited.], MB88346LP Datasheet - Page 5

• Manufacturer Part Number: MB88346LP
• Description: D/A Converter for Digital Tuning (12-channel, 8-bit, on-chip OP amp, low-voltage)
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

■ DATA CONFIGURATION
1. Shift Register Control Data Configuration
2. D/A Converter Control Signals
V
D0
LB
The MB88346L has a 12-bit shift register for controlling the chip. The data passed to the 12-bit shift register
needs to be supplied in the following format.
The data structure consists of a total of 12 bits, four for address selection and eight for D/A data output.
0
1
0
0
1
•
•
•
= (V
DD
D1
0
0
1
1
1
•
•
•
− V
SS
) /255
Last
LSB
D2
D0
0
0
0
1
1
•
•
•
D1
D3
0
0
0
1
1
•
•
•
D2
D4
0
0
0
1
1
D/A data output
•
•
•
D3
D5
D4
0
0
0
1
1
•
•
•
D5
D6
0
0
0
1
1
•
•
•
D6
D7
0
0
0
1
1
•
•
•
D7
: = V
: = V
: = V
: = V
: = V
D8
SS
LB
LB
LB
DD
Address selection
+ V
× 2 + V
× 254 + V
D9
•
•
•
SS
D/A data output
SS
D10
SS
D11
MSB
MB88346L
First
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