BU2508FV ROHM Co. Ltd., BU2508FV Datasheet - Page 4

• Manufacturer Part Number: BU2508FV
• Description: 10bit 4channels , D/a Converter With Output Buffer
• Manufacturer: ROHM Co. Ltd.

●Block Diagrams
●Terminal Description
*In the case of BU2508FV, be sure to open TEST1 and TEST2 terminals.
No
10
11
12
13
14
1
2
3
4
5
6
7
8
9
VSS
AO2
AO3(TEST1)
Reset
AO4(TEST2)
AO5 (AO3)
VDD
VCC
AO6 (AO4)
LD
CLK
DI
AO1
GND
Terminal
name
BU2507FV
Analog /
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Digital
Digital
Digital
-
-
I/O
O
O
O
O
O
-
-
-
-
I
I
I
I
I
DA converter lower standard voltage (VrefL) input terminal
10bit D/A output (CH2)
10bit D/A output (CH3) (BU2508FV : test terminal)
All ch analog output L fixed
10bit D/A output (CH4) (BU2508FV : test terminal)
10bit D/A output (CH5) (BU2508FV : 10bit D/A output (CH3))
DA converter upper standard voltage (VrefH) input terminal
Power source terminal
10bit D/A output (CH6) (BU2508FV : 10bit D/A output (CH4))
When High level is input to LD terminal, the value of 14bit shift
register is loaded to decoder and D/A output register.
Shift clock input terminal. At rise of shift clock, the signal from DI
terminal is input to 14bit shift register.
Serial data input terminal. Serial data whose data length is 14bit
(address 4bit + data 10bit) is input.
10bit D/A output (CH1)
GND terminal
4/8
Description of terminal
BU2508FV
Equivalent
circuit
6
4
4
2
4
4
5
4
1
1
1
4
-
-