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PDF M62358FP Data sheet ( Hoja de datos )
| Número de pieza | M62358FP | |
| Descripción | 8-BIT 12CH D-A CONVERTER WITH BUFFER AMPLIFIERS | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI<Dig.Ana.INTERFACE>
M62358P,FP
8-BIT 12CH D-A CONVERTER WITH BUFFER AMPLIFIERS
DESCRIPTION
The M62358 is a 12-channel 8-bit voltage output digital to analog
converter.
The M62358 includes data latch circuit and gain change circuit
of output amplifiers.
Input data is a easy-to-use three-wires serial interface.It is able
to cascading serial use with Do terminal.
Gain set up data change a case the each channel`s output
voltage range is change ,and each channel`s output voltage
range is able to change severally make use of gain set up data.
FEATURES
•All channel includes gain change latch circuit with output
amplifiers.
•14-bit serial data input
•Built-in reset circuit
APPLICATION
Conversion from digital control data to analog control data
for home-use and industrial equipment.
Automatic adjustment by combination with EEPROM and
microcomputer(replacement of conventional half-fixed
resistor).
Signal gain control of DISPLAY-MONITOR or CTV.
BLOCK DIAGRAM
PIN CONFIGURATION (TOP VIEW)
LD 1
22 R
CLK 2
21 VDD
DI 3
20 DO
Ao7 4
19 Ao6
Ao8 5
18 Ao5
Ao9 6
17 Ao4
Ao10 7
16 Ao3
Ao11 8
15 Ao2
Ao12 9
14 Ao1
GND 10
13 Vcc
VrefL 11
12 VrefU
Outline 22P4H
LD
CLK
DI
Ao7
Ao8
Ao9
Ao10
Ao11
Ao12
NC
GND
VrefL
1 24 R
2 23 VDD
3 22 DO
4 21 Ao6
5 20 Ao5
6 19 Ao4
7 18 Ao3
8 17 Ao2
9 16 Ao1
10 15 NC
11 14 Vcc
12 13 VrefU
Outline 24P2-E
NC:NO CONNECTION
R
VDD
Do
Ao6 Ao5 Ao4
Ao3 Ao2
Ao1
Vcc VrefU
GAIN
G CHANGE
LATCH
-+ -+
R-2R
8-BIT
R-2R D-A
G
-+
R-2R
8-BIT
L LATCH
12
L
G
-+
R-2R
L
G
-+
R-2R
L
G
-+
R-2R
L
L
8-BIT
L
L
L
L
LATCH
2
R-2R
8-BIT
R-2R D-A
R-2R
R-2R
R-2R
R-2R
LD CLK
GAIN
G
CHANGE
G
LATCH
GG
G
DI
Ao7
Ao8 Ao9
Ao10
Ao11
Ao12
GND
VrefL
MITSUBISHI
ELECTRIC
( 1/6)
1 page  
MITSUBISHI<Dig.Ana.INTERFACE>
M62358P,FP
8-BIT 12CH D-A CONVERTER WITH BUFFER AMPLIFIERS
DIGITAL FORMAT
•14 bit serial data
12
DATA
(LSB)
8 9 10 11 12 13 14
CK
•Data assignment
:DAC select data
:GAIN set up data
(LSB)
•GAIN set up data
D8 D9
00
10
01
11
K
1
1.6
1.8
2.4
:DAC set up data
(MSB)
DAC output range
(VrefU=5V,VrefL=0V)
0~5V
0~8V
0~9V
0~12V
•DAC select data
D10 D11 D12
00 0
00 0
00 1
00 1
01 0
01 0
01 1
01 1
1 00
1 00
1 01
1 01
110
110
111
111
D13 DAC selection
0 Don‘t care
1 Ao1 selection
0 Ao2 selection
1 Ao3 selection
0 Ao4 selection
1 Ao5 selection
0 Ao6 selection
1 Ao7 selection
0 Ao8 selection
1 Ao9 selection
0 Ao10 selection
1 Ao11 selection
0 Ao12 selection
1 Don‘t care
0 Don‘t care
1 Don‘t care
•DAC set up data
(LSB)
(MSB)
D0 D2 D3 D4 D5 D6 D7
DAC voltage
00
0
00
0 0 1/256•(VrefU-VrefL) •K +VrefL
10
0
00
0 0 2/256•(VrefU-VrefL) •K +VrefL
00
0
00
0 0 3/256•(VrefU-VrefL) •K +VrefL
10
0
00
0 0 4/256•(VrefU-VrefL) •K +VrefL
01
11
1
1
11
11
1 1 255/256•(VrefU-VrefL) •K +VrefL
1 1 256/256•(VrefU-VrefL) •K +VrefL
Ao= 20 X D0 + 21 X D1 + 2 2X D2 +••••••••+ 2 6X D6 + 2 7X D7 + 1 • (VrefU - VrefL) •K + VrefL
256
K:Amplifiers gain
MITSUBISHI
ELECTRIC
( 5/6)
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet M62358FP.PDF ] | |
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