參數(shù)資料
型號(hào): AD1893JN
廠(chǎng)商: ANALOG DEVICES INC
元件分類(lèi): 消費(fèi)家電
英文描述: Low Cost SamplePort 16-Bit Stereo Asynchronous Sample Rate Converter
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP28
封裝: 0.600 INCH, PLASTIC, DIP-28
文件頁(yè)數(shù): 16/20頁(yè)
文件大?。?/td> 216K
代理商: AD1893JN
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
d
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
d
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
d
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
d
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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