參數(shù)資料
型號: CXP402R
英文描述: 4-Bit Microcontroller
中文描述: 4位微控制器
文件頁數(shù): 15/16頁
文件大小: 262K
代理商: CXP402R
– 15 –
CXP402
1-bit DAC, LPF Blocks Analog Characteristics
Analog characteristics (V
DD
= AV
DD
= 5.0V, V
SS
= AV
SS
= 0V, Ta = 25°C)
Fs = 44.1kHz.
The total harmonic distortion and signal-to-noise ratio are measured by the circuits shown below.
LPF external circuit diagram
Block diagram of analog characteristics measurement
Item
Total
harmonic
distortion
Signal-to-
noise ratio
Symbol
THD
S/N
Conditions
1kHz, 0dB data
Crystal
1kHz, 0dB data (A-filter)
384Fs
768Fs
384Fs
768Fs
96
96
0.0050
0.0045
100
100
0.0070
0.0065
Min.
Typ.
Max.
Unit
%
dB
Audio Analyzer
SHIBASOKU (AM51A)
100k
22μ
680p
12k
12k
12k
150p
AOUT1 (2)
AIN1 (2)
LOUT1 (2)
Audio Analyzer
CXP402
Rch
A
Lch
B
DATA
RF
TEST DISC
768Fs/384Fs
(V
DD
= AV
DD
= 5.0V, V
SS
= AV
SS
= 0V, Topr = –20 to +75°C)
Output voltage
Load resistance
When a sine wave of 1kHz, 0dB is output.
V
OUT
R
L
1
1
Vrms
k
Item
Symbol
8
Min.
Max.
1.23
Typ.
Applicable pins
Unit
Applicable pins
1
LOUT1, LOUT2
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