Philips Semiconductors
Preliminary specification
Economy audio CODEC for MiniDisc (MD)
home stereo and portable applications
UDA1341TS
5
BLOCK DIAGRAM
V
V
V
V
V
V
handbook, full pagewidth
DDA(ADC)
3
SSA(ADC)
1
DDD
10
SSD
ADCP
7
ADCN
5
11
6
8
4
VINR2
VINR1
VINL2
VINL1
PGA
PGA
ADC2
ADC2
2
0 dB/6 dB
SWITCH
0 dB/6 dB
SWITCH
ADC1
ADC1
22
AGCSTAT
UDA1341TS
DIGITAL AGC
DIGITAL MIXER
9
DECIMATION FILTER
DIGITAL INTERFACE
OVERFL
18
16
17
19
13
14
15
DATAO
BCK
L3MODE
L3CLOCK
L3DATA
L3-BUS
INTERFACE
WS
DATAI
12
DSP FEATURES
INTERPOLATION FILTER
NOISE SHAPER
SYSCLK
23
28
26
PEAK
DETECTOR
QMUTE
20
21
TEST1
TEST2
V
ref
DAC
DAC
24
VOUTR
VOUTL
25
27
V
V
SSA(DAC)
DDA(DAC)
MGR427
Fig.1 Block diagram.
5
1998 Dec 18
NXP [ NXP ]
