參數(shù)資料
型號: STW5094
廠商: 意法半導(dǎo)體
元件分類: Codec
英文描述: 18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC
中文描述: 18位8kHz至48kHz的低功耗立體聲音頻DAC,具有集成功率放大器和語音編解碼器
文件頁數(shù): 33/37頁
文件大小: 447K
代理商: STW5094
33/37
STw5094
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 1. Stereo DAC performance
FFT audio mode (8192 points). Full scale input/output
sinewave at 1 kHz (+3dBr)
VCC=2.7V, Fs=48kHz, 18 bits input word.
Figure 2. Stereo DAC performance
Dynamic range: Noise + THD [dBr] versus signal
amplitude [dBm0]
VCC=2.7V, Fs=48kHz, 18 bits input word.
Figure 3. Voice RX performance
S/(N+THD) [dB] versus signal amplitude [dBm0] with
8
output load
VCC=2.7V, Fs=8kHz
Figure 4. Voice TX performance
S/(N+THD) versus signal amplitude
VCC=2.7V, Fs=8kHz
Figure 5. Digital Audio Filter characteristic
Frequency response up to 3.45 Fs
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
0.5
1
1.5
2
2.5
3
A
Normalized Freq. [Fs]
Digital Audio Filter
Figure 6. Digital Audio Filter characteristic
In band Frequency response
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
A
Normalized Freq. [Fs]
Digital Audio Filter
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