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PDF M62399FP Data sheet ( Hoja de datos )
| Número de pieza | M62399FP | |
| Descripción | 8-BIT 8CH I2C-BUS D-A CONVERTER WITH BUFFER AMPLIFIERS | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI<Dig.Ana.INTERFACE>
M62399P,FP
8-BIT 8CH I 2C-BUS D-A CONVERTER WITH BUFFER AMPLIFIERS
DESCRIPTION
The M62399P,FP is an integrated circuit semiconductor of
high voltage type CMOS structure with 8 channels of built-in D-
A converters with output buffer operational amplifiers.
The input is 2-wires serial method is used for the transfer
formal of digital data to allow connection with a microcomputer
with minimum wiring.
The output buffer operational amplifier employs AB class
output circuit with sync and source drive capacity of 2.5mA or
more,and it operates in the whole voltage range from VrefU to
ground.
And because of connects maximum 8 pieces,it is possible to
64 channels control.
FEATURES
•Digital data transfer format
I 2C-bus serial data method
•Output buffer operational amplifier
it operates in the whole voltage range from VrefU(0~12V)to
ground.
•High output current drive capacity
±2.5mA over
•Preparation two high level reference voltage terminal
because there are two high level reference voltage
terminal,it can set up two kinds differ voltage range.
PIN CONFIGURATION (TOP VIEW)
R
SCL
SDA
Ao5
Ao6
Ao7
Ao8
VrefL
VrefU1
GND
1
2
3
4
5
6
7
8
9
10
20 CS0
19 CS1
18 CS2
17 VDD
16 Vcc
15 Ao4
14 Ao3
13 Ao2
12 Ao1
11 VrefU2
Outline 20P4(P)
20P2N-A(FP)
APPLICATION
Conversion from digital control data to analog control data
for home-use and industrial equipment.
Signal gain control or automatic adjustment of DISPLAY-
MONITOR or CTV.
BLOCK DIAGRAM
CS0 CS1 CS2 VDD
20 19 18
17
Ao4
15
CHIP SELECT
R2
R1
8bit upper
segment R-2R
8bit Latch
8
8bit Latch
8bit upper
segment R-2R
R1
R2
1 23
8
R SCL SDA VrefL
4
Ao5
Ao3
14
R2
R1
8bit upper
segment R-2R
8bit Latch
8bit Latch
8bit upper
segment R-2R
R1
R2
5
Ao6
Ao2
13
R2
R1
8bit upper
segment R-2R
8bit Latch
8bit Latch
8bit upper
segment R-2R
R1
R2
6
Ao7
MITSUBISHI
ELECTRIC
Ao1
12
Vcc VrefU2
16 11
R2
R1
8bit upper
segment R-2R
8bit Latch
8bit Latch
8bit upper
segment R-2R
R2 =2.4
R1
R1
R2
7
Ao8
10 9
GND VrefU1
( 1 /5)
1 page  
I2C BUS FORMAT
STA SLAVE ADDRESS
MITSUBISHI<Dig.Ana.INTERFACE>
M62399P,FP
8-BIT 8CH I 2C-BUS D-A CONVERTER WITH BUFFER AMPLIFIERS
WA
SUB ADDRESS A
DAC DATA A STP
DIGITAL DATA FORMAT
•SLAVE ADDRESS
FIRST
LAST
1 0 0 1 A2 A1 A0
(SLAVE ADDRESS) CHIP SELECT DATA
•DAC DATA
FIRST
MSB
D7 D6 D5
D4
LAST
LSB
D3 D2 D1 D0
•SUB ADDRESS
FIRST
XX
X
LAST
X S3 S2 S1 S0
Don't care
CHANNEL
SELECT DATA
(1)CHIP SELECT DATA
MSB
LSB
A2 A1 A0 CS2 CS1 CS0
0 0 0 0 00
0 0 1 0 01
0 1 0 0 10
1 1 1 1 11
(2)CHANNEL SELECT DATA
MSB
LSB
S3 S2 S1 S0
0000
00 01
0 0 10
Channel selection
Don't care.
ch1 selection
ch2 selection
0111
10 00
1001
ch7 selection
ch8 selection
Don't care.
1 1 11
(3)DAC DATA
FIRST
MSB
D7 D6 D5
000
000
000
000
D4
0
0
0
0
LAST
LSB
D3 D2 D1 D0
DAC output
0 0 0 0 (VrefU-VrefL)/256 x 1 x 2.4 + VrefL
0 0 0 1 (VrefU-VrefL)/256 x 2 x 2.4 +VrefL
0 0 1 0 (VrefU-VrefL)/256 x 3 x 2.4 +VrefL
0 0 1 1 (VrefU-VrefL)/256 x 4 x 2.4 +VrefL
Don't care.
1 1 11
1111
1 1 1 0 (VrefU-VrefL)/256 x 255 x 2.4 +VrefL
11
11
VrefU x 2.4 + VrefL
MITSUBISHI
ELECTRIC
( 5 /5)
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet M62399FP.PDF ] | |
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