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參數(shù)資料
| 型號： | CDB8421 |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR CS8421 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 音頻，采樣率轉(zhuǎn)換器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | CS8421，CS8406，CS8416 |
| 主要屬性： | 帶數(shù)字音頻發(fā)射器和接收器的采樣率轉(zhuǎn)換器 |
| 次要屬性： | S/PDIF 接口 |
| 已供物品： | 板，CD |
| 產(chǎn)品目錄頁面： | 759 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | 598-1730-ND - IC SAMPLE RATE CONVERTER 20QFN 598-1126-5-ND - IC SAMPLE RATE CONVERTER 20TSSOP |
| 其它名稱： | 598-1018 |
DS641F6
11
CS8421
DIGITAL FILTER CHARACTERISTICS
3.
The equation for the group delay through the sample-rate converter is (56.581 / Fsi) + (55.658 / Fso). For example,
if the input sample rate is 192 kHz and the output sample rate is 96 kHz, the group delay through the sample-rate
converter is (56.581/192,000) + (55.658/96,000) =.875 milliseconds.
DC ELECTRICAL CHARACTERISTICS
(GND = 0 V; all voltages with respect to 0 V.)
4.
Power Down Mode is defined as RST = LOW with all clocks and data lines held static, except when a crystal is
attached across XTI-XTO, in which case the crystal will begin oscillating.
5.
Normal operation is defined as RST = HI.
Parameter
Min
Typ
Max
Units
Passband (Upsampling or Downsampling)
-
0.4535*Fso
Hz
Passband Ripple
-
±0.007
dB
Stopband
0.5465*Fso
-
Hz
Stopband Attenuation
125
-
dB
Group Delay
SRC Mode
Bypass Mode
-
-
3/Fsi
s
Parameter
Symbol
Min
Typ
Max
Units
Power-Down Mode (Note 4)
Supply Current in power-down
VD
(Oscillator attached to XTI-XTO)
VL = 3.3 V
VL = 5.0 V
50
100
200
A
Supply Current in power-down
VD
(Crystal attached to XTI-XTO)
VL = 3.3 V
VL = 5.0 V
100
1.5
4
A
mA
Normal Operation (Note 5)
Supply Current at 48 kHz Fsi and Fso
VD
(Oscillator attached to XTI-XTO)
VL = 3.3 V
VL = 5.0 V
24
2.5
4
mA
Supply Current at 192 kHz Fsi and Fso
VD
(Oscillator attached to XTI-XTO)
VL = 3.3 V
VL = 5.0 V
80
8
13
mA
Supply Current at 48 kHz Fsi and Fso
VD
(Crystal attached to XTI-XTO)
VL = 3.3 V
VL = 5.0 V
24
3
7
mA
Supply Current at 192 kHz Fsi and Fso
VD
(Crystal attached to XTI-XTO)
VL = 3.3 V
VL = 5.0 V
80
4
6.5
mA
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