BU2505FV Datasheet, PDF (3/4 Pages) Rohm – 10bit 10-channel D/A converter

Optical disc ICs
BU2505FV
zPin descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin name
VSS
AO3
AO4
AO5
Reverse
Reset
AO6
AO7
AO8
VDD
VCC
AO9
AO10
D0
Analog /
Digital
Analog
Analog
Analog
Analog
Digital
Digital
Analog
Analog
Analog
Analog
−
Analog
Analog
Digital
15
LD
Digital
16
CLK
Digital
17
DI
Digital
18
AO1
Analog
19
AO2
Analog
20
GND
−
I/O
Function
Equivalent
Circuit
− D/A converter lower reference voltage input terminal
6
O 10bit D/A converter output terminal (CH3)
4
O _{10bit D/A converter output terminal (CH4)}
4
O _{10bit D/A converter output terminal (CH5)}
4
I
It is inverted about the data designation 10bit LSB and MSB.
2
I
The analog output of all channels is fixed for "L".
2
O _{10bit D/A converter output terminal (CH6)}
4
O 10bit D/A converter output terminal (CH7)
4
O 10bit D/A converter output terminal (CH8)
4
− _{D/A converter upper reference voltage input terminal}
5
− Power supply terminal
−
O 10bit D/A converter output terminal (CH9)
4
O 10bit D/A converter output terminal (CH10)
4
O Terminal to output LSB data of 14-bit shift register
3
When H-level signal is input to this terminal, the value stored in
I
14-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 14-bit
shift register at rise of shift clock pulse
1
I
Serial data input terminal to input 14-bit long serial data
1
O 10bit D/A converter output terminal (CH1)
4
O 10bit D/A converter output terminal (CH2)
4
− GND terminal
−
zExternal dimensions (Unit : mm)
6.5±0.2
20
11
1
10
0.15±0.1
0.1
0.65 _0.22±0.1
SSOP-B20
3/3