參數(shù)資料
型號: AD1893JSTZ
廠商: Analog Devices Inc
文件頁數(shù): 8/20頁
文件大?。?/td> 0K
描述: IC SAMPLE-RATE CONV 16BIT 44TQFP
標(biāo)準(zhǔn)包裝: 1
系列: SamplePort™
類型: 采樣率轉(zhuǎn)換器
應(yīng)用: 多媒體
安裝類型: 表面貼裝
封裝/外殼: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-LQFP(10x10)
包裝: 托盤
AD1893
–16–
REV. A
System Mute
The mute function applies to both right and left channels on the
AD1893. The user can include a system-specific output mute
signal, while retaining the automatic mute feature of the AD1893
by using the circuit shown in Figure 14.
AD1893
EXTERNAL SYSTEM MUTE
ACTIVE HI
MUTE_O
MUTE_I
Figure 14. External Mute Circuit
Performance Graphs
100
20k
10k
1k
20
FREQUENCY – Hz
–60
–80
–70
–90
–110
–100
–130
–120
–140
–160
–150
dBFS
A
Figure 15. Dynamic Range from 20 Hz to 20 kHz,
–60 dBFS, 48 kHz Input Sample Frequency, 44.1 kHz
Output Sample Frequency, 16k-Point FFT, BH4 Window
dBFS
0
–40
–140
–20
–80
–60
–120
–100
20
100
20k
10k
1k
FREQUENCY – Hz
A
Figure 16. 1 kHz Tone at 0 dBFS, 48 kHz Input Sample
Frequency, 44.1 kHz Output Sample Frequency,
16k-Point FFT, BH4 Window
dBFS
0
–40
–140
–20
–80
–60
–120
–100
20
100
20k
10k
1k
FREQUENCY – Hz
A
Figure 17. 15 kHz Tone at 0 dBFS, 48 kHz Input Sample
Frequency, 44.1 kHz Output Sample Frequency,
16k-Point FFT, BH4 Window
100
20k
10k
1k
20
FREQUENCY – Hz
–120
–80
–100
–110
–90
–95
–105
–115
–85
dBFS
A
Figure 18. THD+N vs. Frequency, 48 kHz Input Sample
Frequency, 44.1 kHz Output Sample Frequency, Full-Scale
Input Signal
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