BU2506FV_09 Datasheet, PDF (4/9 Pages) Rohm – High-precision 10bit 8ch 10ch Type D/A Converters

BU2506FV,BU2505FV
Technical Note
●Terminal Descriptions
No.
Terminal
Name
1
VSS
Analog /
Digital
I/O
Description
Analog - DA converter lower standard voltage (VrefL) input terminal
Equivalent
Circuit
6
2
AO3
Analog O 10bit D/A output(CH3)
4
3
AO4
Analog O 10bit D/A output(CH4)
4
4
AO5
Analog O 10bit D/A output(CH5)
4
5
Reverse
Digital
I The reverse LSB and MSB of data designation 10bit in 14bit.
2
6
Reset
Digital
I All ch analog output L fixed
2
7
AO6
Analog O 10bit D/A output(CH6)
4
8
AO7
Analog O 10bit D/A output(CH7)
4
9
AO8
Analog O 10bit D/A output(CH8)
4
10
VDD
Analog - DA converter upper standard voltage (VrefH) input terminal
5
11
VCC
-
- Power source terminal
-
12 AO9(TEST1) Analog O 10bit D/A output(CH9) (BU2506FV : test terminal)
4
13 AO10(TEST2) Analog O 10bit D/A output(CH10) (BU2506FV : test terminal)
4
14
DO
Digital O This outputs bit data of LSB of 14bit shift register.
3
15
LD
Digital
I
LD terminal. When High level is input, the value of 14bit shift
register is loaded to decoder and D/A output register.
1
16
CLK
Digital
I
Shift clock input terminal. At rise of shift clock, the signal from
DI terminal is input to 14bit shift register.
1
17
DI
Digital
I
Serial data input terminal. Serial data whose data length is 14bit
(address 4bit + data 10bit) is input.
1
18
AO1
Analog O 10bit D/A output(CH1)
4
19
AO2
Analog O 10bit D/A output(CH2)
4
20
GND
-
- GND terminal
-
*In the case of BU2506FV, be sure to leave the TEST1 and TEST2 terminals open
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2009.06 - Rev.A