cxd2548r Sony Electronics, cxd2548r Datasheet - Page 12

• Manufacturer Part Number: cxd2548r
• Description: Cd Digital Signal Processor With Built-in Digital Servo And Dac
• Manufacturer: Sony Electronics

1-bit DAC and LPF Block Analog Characteristics
Fs = 44.1kHz in all cases.
The total harmonic distortion and signal-to-noise ratio measurement circuits are shown below.
Total harmonic
distortion
Signal-to-noise
ratio
Item
AOUT1 (2)
LOUT1 (2)
AIN1 (2)
TEST DISC
Symbol
THD
S/N
1kHz, 0dB data
1kHz, 0dB data
(Using A-weighting filter)
Block diagram of analog characteristics measurement
DATA
150p
12k
12k
Conditions
Analog characteristics (V
LPF external circuit diagram
RF
12k
CXD2548R
– 12 –
768Fs/384Fs
22µ
680p
Crystal
384Fs
768Fs
384Fs
768Fs
DD
Rch
Lch
= AV
100k
DD
= 5.0V, V
Min.
96
96
A
B
SHIBASOKU (AM51A)
SS
Audio Analyzer
0.0050
0.0045
Audio Analyzer
Typ.
= AV
100
100
SS
= 0V, Ta = 25°C)
0.0070
0.0065
Max.
CXD2548R
Unit
dB
%