LC78834 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LC78834
SANYO -> Panasonic
LC78834 Datasheet PDF : 14 Pages
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Pin Assignment
LC78834M
Pin Functions
Pin No.
1
2
3
Symbol
INITB
BCLK
DATA
4
LRCK
5
FS1
6
FS2
7
EMP
8
MUTE
9
CKSL
10
DVDD
11
CKOUT
12
XOUT
13
XIN
14
DGND
15
MODE
16
TEST
17
REFL
18
OP2O
19
OP2N
20
OP2P
21
CH2OUT
22
AGND
23
CH1OUT
24
OP1P
25
OP1N
26
OP1O
27
REFH
28
AVDD
Function
Initialization signal input. The LC78834M is initialized on a low input.
Bit clock input
Digital audio data input
Data is input in a two’s complement MSB first format.
LR clock input
High: CH1 input; Low: CH2 input
De-emphasis filter 32, 44.1, or 48 kHz mode selection
FS1
L
H
H
L
FS2
L
L
H
H
fs
44.1 kHz
32 kHz 48 kHz
De-emphasis filter on/off switching
High: on; Low: off.
Mute signal input
High: Soft muting on.
System clock selection
High: 512 fs; Low: 384 fs
Digital system power supply
Clock output
Crystal oscillator output (system clock output)
Crystal oscillator input (system clock input)
Digital system ground
Digital audio data format selection
High: 18-bit data input
Low: 16-bit data input
See section 4., “Digital Audio Data Input”, page 8.
Test. Connect to DGND in normal operation.
Low-level reference voltage
Normally connected to AGND through a capacitor.
Op amp 2 output
Op amp 2 inverting input
Op amp 2 non-inverting input
CH2 analog output
Analog system ground
CH1 analog output
Op amp 1 non-inverting input
Op amp 1 inverting input
Op amp 1 output
High-level reference voltage
Normally connected to AGND through a capacitor.
Analog system ground
No. 4838-5/14
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