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PDF M62337FP Data sheet ( Hoja de datos )
| Número de pieza | M62337FP | |
| Descripción | 8-bit 2ch I2C BUS D/A Converter | |
| Fabricantes | Renesas | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M62337FP (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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Preliminary Datasheet
M62332P/FP, M62337P/FP
R03DS0037EJ0500
8-bit 2ch I2C BUS D/A Converter with Buffer Amplifiers
Rev.5.00
Jun 03, 2011
Description
The M62332/M62337 is an integrated circuit semiconductor of CMOS structure with 2 channels of built in D/A
converters with output buffer operational amplifiers.
The input is 2-wires serial method is used for the transfer format 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 1.0 mA
or more, and it operates in the whole voltage range from VCC to ground.
The M62332 and the M62337 differ only in their slave address.
Features
Digital data transfer format: I2C BUS serial data method
Output buffer operational amplifier: It operates in the whole voltage range from VCC to ground.
High output current drive capacity: 1.0 mA over
Application
Conversion from digital data to analog control data for home-use and industrial equipment.
Signal gain control or automatic adjustment of display-monitor or CTV.
Block Diagram
VCC
SCL
SDA
GND
8 7 65
Power on
reset
I2C BUS transceiver
Channel
decoder
8
8-bit latch
8-bit upper
segment R-2R
+−
8-bit latch
8-bit upper
segment R-2R
+−
12
AO1
AO2
R03DS0037EJ0500 Rev.5.00
Jun 03, 2011
Page 1 of 9
1 page  
M62332P/FP, M62337P/FP
Preliminary
I2C BUS Format
STA
Slave address
WA
Sub address
A DAC data
Note: STA: start condition, A: affirmation bit, W: write (SDA = Low), STP: stop condition
A STP
Slave address
M62332
First
Last
1001110
M62337
First
Last
1001101
Sub address
First Last Channel select data
X X X X X X X S0
S0 Channel Selection
0 ch1 selection
1 ch2 selection
Don't care
Channel
select data
DAC data
First
MSB
Last
LSB
D7 D6 D5 D4 D3 D2 D1 D0
First
MSB
Last
LSB
D7 D6 D5 D4 D3 D2 D1 D0
DAC output
0 0 0 0 0 0 0 0 VCC / 256 × 1
0 0 0 0 0 0 0 1 VCC / 256 × 2
0 0 0 0 0 0 1 0 VCC / 256 × 3
0 0 0 0 0 0 1 1 VCC / 256 × 4
::::::::
:
1 1 1 1 1 1 1 0 VCC / 256 × 255
1 1 1 1 1 1 1 1 VCC
R03DS0037EJ0500 Rev.5.00
Jun 03, 2011
Page 5 of 9
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet M62337FP.PDF ] | |
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