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4.20 PCM1716E-X (IC1571) : D/A converter
• Pin layout
• Block diagram
• Pin function
114
28 15
BCK
VoutL
Vcc2L
Vcc2R
AGND2L
AGND2R
EXTL
EXTR
ZER
O
VoutR
Serial
Input
8X Oversampling
Digital Filter
with
Function Controller
SCK
Crystal OSC
XTI XTO CLKO Vcc1 VccAGND1 DGND
Power Supply
Open drain
Low-pass
Filter
Low-pass
Filter
BPZ-Cont
Mult-level
Delta-Sigma
Modulator
DAC
DAC
I/F
LBCK
DATA
ML/llS
Mode
I/F
Control
MC/DM1
MD/DM0
CS/WO
MODE
MUTE
RST
Pin
No.
Symbol I/O Function
1 LRCK I LRCK clock input
2 DATA I Serial audio data input
3 BCK I Bit clock input for serial audio data
4 CLKO O Buffered output of system clock
5 XTI I Oscillator input / External clock input
6 XTO O Oscillator output
7 DGND - Digital ground
8 VDD - Digital power +5V
9 VDD2R - Analog power +5V
10 AGND2R - Analog ground
11 EXTR O Rch common pin of analog output amp
12 NC - Non connection
13 VOUTR O Rch analog voltage output of audio signal
14 AGND1 - Analog ground
15 Vcc1 - Analog power +5V
16 VOUTL O Lch analog voltage output of audio signal
17 NC - Non connection
18 EXTL O Lch common pin of analog output amp
19 AGND2L - Analog ground
20 Vcc2L - Analog power +5V
21 ZERO O Zero data flag
22 RST I Reset
23 CS/IWO I Chip select / Input format selection
24 MODE I Mode control select
25 MUTE I Mute control
26 MD/DM0 I Mode control, Data /
De-emphasis selection 1
27 MC/DM1 I Mode control, BCK /
De-emphasis selection 2
28 ML/IIS I Mode control, WDCK /
Input format selection
Pin
No.
Symbol I/O Function