參數(shù)資料
型號： CXD3059AR
廠商： Sony Corporation
元件分類： 數(shù)字信號處理
英文描述： CD Digital Signal Processor with Built-in RF Amplifier and Digital Servo + Digital High & Bass Boost
中文描述： CD數(shù)字信號處理器具有內置的RF放大器和數(shù)字伺服數(shù)字高
文件頁數(shù)： 17/27頁
文件大?。?/td> 337K
代理商： CXD3059AR
– 17 –
CXD3059AR
1-bit DAC and LPF Block Analog Characteristics
(V
DD
= XV
DD
= 2.5V, IOV
DD
0 to 2 = AV
DD
0 to 5 = 3.3V, V
SS
= XV
SS
= IOV
SS
= AV
SS
= 0V, Topr = +25°C)
Total harmonic
distortion
Signal-to-noise
ratio
Item
%
dB
Unit
THD
S/N
Symbol
1kHz sine wave, 0dB data, 20kHz LPF
1kHz sine wave, 0dB data,
AMUT OFF (Using A-weighting filter 20kHz LPF)
Conditions
Fs = 44.1kHz in all cases.
The total harmonic distortion and signal-to-noise ratio measurement circuits are shown below.
22μF
AOUT1 (2)
VREFL (R)
1μF
100
2200pF
100k
Audio Analyzer
LPF external circuit diagram
Audio Analyzer
CXD3059AR
Rch
A
Lch
B
DATA
RF
TEST DISC
Block diagram of analog characteristics measurement
(V
DD
= XV
DD
= 2.5V, IOV
DD
0 to 2 = AV
DD
0 to 5 = 3.3V, V
SS
= XV
SS
= IOV
SS
= AV
SS
= 0V, Topr = +25°C)
Output voltage
Load resistance
VREF pin capacitance
Item
V
OUT
R
L
C
VREF
Symbol
920
10
Min.
Typ.
928
Max.
mVrms
k
μF
Unit
1
1
2
Applicable pins
1
Measurement is conducted for the above circuit diagrams with the sine wave output of 1kHz and 0dB.
Applicable pins
1
AOUT1, AOUT2
2
VREFL, VREFR
0.014
Min.
Typ.
Max.
90
0.006
95
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