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LC78816MB Datasheet(Fiches technique) 4 Page - Sanyo Semicon Device

Numéro de pièce LC78816MB
Description  16-Bit D/A Converter for Use in Digital Audio Products
Télécharger  11 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  http://www.ssdc-jp.com/eng/
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No. 4250-4/11
LC78816MB, 78816MC
Block Diagram
Pin No.
Pin Name
Function and Operational Description
1
CH1OUT
Channel 1 output pin (left channel)
2
REFH
Reference voltage high level pin
Normally connected to AGND through a capacitor.
3
VrefH
Reference voltage high level input pin
4
AVDD
Analog system power supply voltage pin
5
LRCK/WCLK
LR clock and word clock input pin
Used to generate the internal signal that latches the digital audio data (DATAL and DATAR).
Digital audio data input pin
6
DATAL
Data is input from the MSB bit serially.
When FSEL is low, channel 1 data is input.
When FSEL is high, channel 1 and channel 2 data are input using time division.
Digital audio data input pin
7
DATAR
Data is input from the MSB bit serially.
When FSEL is low, channel 2 data is input.
When FSEL is high, functions as the interface switching pin.
Bit clock input pin
8
BCLK
This is the clock for reading in digital audio data bit serially. Also functions as the IC’s system clock when SYSCLK is
fixed low or high.
System clock input pin
9
SYSCLK
This is the system clock that drives the IC. However, in certain modes it is used as the interface switching pin.
(See the timing charts.)
10
DVDD
Digital system power supply voltage pin
11
TSTOUT
Output pin for IC testing
12
FSEL
When low, digital audio data is input simultaneously from the DATAL and DATAR pins.
When high, digital audio data is input from the DATAL pin in time division mode.
13
MODE1
Interface switching pins. (See the timing charts.)
14
MODE2
15
DGND
Digital system ground pin
16
REFL
Reference voltage low level pin.
Normally connected to AGND through a capacitor.
17
AGND
Analog system ground pin
18
VrefL
Reference voltage low level input pin
19
NC
No connection
20
CH2OUT
Channel 2 output pin (right channel)
Pin Functions




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