參數(shù)資料
型號: CS4265-DNZR
廠商: Cirrus Logic Inc
文件頁數(shù): 19/46頁
文件大?。?/td> 0K
描述: IC CODEC 24BIT 104DB 32-QFN
標準包裝: 6,000
類型: 立體聲音頻
數(shù)據(jù)接口: 串行
分辨率(位): 24 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
動態(tài)范圍,標準 ADC / DAC (db): 104 / 104
電壓 - 電源,模擬: 3.13 V ~ 5.25 V
電壓 - 電源,數(shù)字: 3.13 V ~ 5.25 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 32-QFN
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 帶卷 (TR)
配用: 598-1001-ND - BOARD EVAL FOR CS4265 CODEC
26
DS657F3
CS4265
which could result in recording a DC level, possibly yielding clicks when switching between devices in a mul-
tichannel system.
The high-pass filter continuously subtracts a measure of the DC offset from the output of the decimation
filter. If the HPFFreeze bit (See “ADC High-Pass Filter Freeze (Bit 1)” on page 39.) is set during normal op-
eration, the current value of the DC offset for the each channel is frozen and this DC offset will continue to
be subtracted from the conversion result. This feature makes it possible to perform a system DC offset cal-
ibration by:
1. Running the CS4265 with the high-pass filter enabled until the filter settles. See the ADC Digital Filter
Characteristics section for filter settling time.
2. Disabling the high-pass filter and freezing the stored DC offset.
A system calibration performed in this way will eliminate offsets anywhere in the signal path between the
calibration point and the CS4265.
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