BU2500FV Datasheet, PDF (3/4 Pages) Rohm – 8bit 12-channel D/A converter

Optical disc ICs
BU2500FV / BU2501FV
zPin descriptions
Pin No. Pin name
1
Vss
2
Ao3
3
Ao4
4
Ao5
5
Ao6
6
Ao7
7
Ao8
8
Ao9
9
Ao10
10
VDD
11
Vcc
12
Ao11
13
Ao12
14
Do
15
LD
16
CLK
17
DI
18
Ao1
19
Ao2
20
GND
Analog /
Digital
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
−
Analog
Analog
Digital
Digital
Digital
Digital
Analog
Analog
−
I/O
Function
Circuit
−
D/A converter lower reference voltage input terminal
5
O
8bit D/A converter output terminal (CH3)
3
O
8bit D/A converter output terminal (CH4)
3
O
8bit D/A converter output terminal (CH5)
3
O
8bit D/A converter output terminal (CH6)
3
O
8bit D/A converter output terminal (CH7)
3
O
8bit D/A converter output terminal (CH8)
3
O
8bit D/A converter output terminal (CH9)
3
O
8bit D/A converter output terminal (CH10)
3
−
D/A converter upper reference voltage input terminal
4
−
Power supply terminal
−
O
8bit D/A converter output terminal (CH11)
3
O
8bit D/A converter output terminal (CH12)
3
O
Terminal to output MSB data of 12-bit shift register
2
When H-level signal is input to this terminal, the value stored in
I
12-bit shift register is loaded in decoder and D/A converter output
1
register.
I
Shift clock input terminal. Input signal at DI pin is input to 12-bit
shift register at rise of shift clock pulse
1
I
Serial data input terminal to input 12-bit long serial data
1
O
8bit D/A converter output terminal (CH1)
3
O
8bit D/A converter output terminal (CH2)
3
−
GND terminal
−
zExternal dimensions (Unit : mm)
BU2500FV / BU2501FV
6.5±0.2
20
11
1
10
0.15±0.1
0.1
0.65 _0.22±0.1
SSOP-B20
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