參數(shù)資料
型號: CS5364-CQZR
廠商: Cirrus Logic Inc
文件頁數(shù): 21/42頁
文件大?。?/td> 0K
描述: IC ADC 4CH 114DB 216KHZ 48-LQFP
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 24
采樣率(每秒): 216k
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 580mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)差分,單極
配用: CDB5364-ND - EVALUATION BOARD FOR CS5364
28
DS625F4
CS5364
4.10
Analog Connections
The analog modulator samples the input at half of the internal Master Clock frequency, or 6.144 MHz nom-
inally. The digital filter will reject signals within the stopband of the filter. However, there is no rejection of
input signals that are at (N X 6.144 MHz) the digital passband frequency, where n=0,1,2.... Refer to
Figure 15, which shows the suggested filter that will attenuate any noise energy at 6.144 MHz in addition to
providing the optimum source impedance for the modulators. The use of capacitors that have a large volt-
age coefficient (such as general-purpose ceramics) must be avoided since these can degrade signal linear-
ity. COG capacitors are recommended for this application. For additional configurations, refer to Cirrus
Application Note AN241.
Figure 15. Recommended Analog Input Buffer
VQ
+
634
Ω
634
Ω
91
Ω
91
Ω
+
-
2700 pF
470 pF
COG
10 uF
ADC AIN+
ADC AIN -
AIN +
AIN -
COG
100 k
Ω
10 k
Ω
10 k
Ω
100 k
Ω
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