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Renesas Electronics Components Datasheet

M62343FP Datasheet

8-Bit D/A Converter

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Preliminary Datasheet
M62342P/FP, M62343P/FP
8-Bit D/A Converter (Buffered)
R03DS0040EJ0500
Rev.5.00
Jun 03, 2011
Description
The M62342 and M62343 are CMOS-structure semiconductor integrated circuits incorporating two or three 8-bit D/A
converter channels with output buffer op-amps.
Serial data transfer type input can easily be used through a combination of three lines: DI, CLK, and LD.
Outputs incorporate buffer op-amps that have a drive capacity of 1 mA or above for both sink and source, and can
operate over the entire voltage range from almost ground to VCC (0 to 5 V), making peripheral elements unnecessary
and enabling configuration of a system with few component parts.
Features
Data transfer format
10-bit serial data input type
Output buffer op-amps
Operable over entire voltage range from almost ground to VCC (0 to 5 V)
High output current capacity
±1 mA or higher
Application
Signal gain setting and automatic adjustment in CTV, and display monitors, conversion from digital data to analog data
in consumer and industrial products
Block Diagram
VCC
4
LD CLK DI
8 76
10-bit shift register
8 Channel
decoder
GND
5
8-bit latch
8-bit upper
segment R-2R
+−
8-bit latch
8-bit upper
segment R-2R
+−
8-bit latch
8-bit upper
segment R-2R
M62343 only
+−
123
AO1
AO2
AO3
(NC in M62342)
R03DS0040EJ0500 Rev.5.00
Jun 03, 2011
Page 1 of 8


Renesas Electronics Components Datasheet

M62343FP Datasheet

8-Bit D/A Converter

No Preview Available !

M62342P/FP, M62343P/FP
Pin Arrangement
M62342P/FP
M62343P/FP
AO1
AO2
AO3*
VCC
1
2
3
4
8 LD
7 CLK
6 DI
5 GND
(Top view)
Note:
Outline: PRDP0008AA-A (8P4) [P] (not recommend for new design)
PRSP0008DE-C [FP] (recommend)
PRSP0008DA-A (8P2S-A) [FP] (not recommend for new design)
Pin 3 of the M62342 is a NC pin.
Preliminary
Pin Description
Pin No.
6
7
Symbol
DI
CLK
8 LD
1 AO1
2 AO2
3 AO3
(M62343 only)
4 VCC
5 GND
Function
Serial data input pin. Inputs serial data with a 10-bit data length.
Serial clock input pin. Input signal from DI pin is input to 10-bit shift register at rise of
shift clock.
Load pin. When “H” level is input to LD pin, value in 10-bit shift register is loaded into
decoder and D/A output register.
8-bit resolution D/A converter output pins
(After power-on, all channels are reset and DAC data 00h is output.)
Power supply voltage pin
GND pin
R03DS0040EJ0500 Rev.5.00
Jun 03, 2011
Page 2 of 8


Part Number M62343FP
Description 8-Bit D/A Converter
Maker Renesas
Total Page 9 Pages
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