參數(shù)資料
型號： CS4202-JQZR
廠商： Cirrus Logic Inc
文件頁數(shù)： 9/66頁
文件大?。?/td> 0K
描述： IC CODEC AUDIO '97 48-TQFP
標(biāo)準(zhǔn)包裝： 2,000
類型： 音頻編解碼器 '97
數(shù)據(jù)接口： 串行
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 1 / 1
三角積分調(diào)變： 是
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 90 / 90
電壓 - 電源，模擬： 4.75 V ~ 5.25 V
電壓 - 電源，數(shù)字： 4.75 V ~ 5.25 V
工作溫度： 0°C ~ 70°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-TQFP（9x9）
包裝： 帶卷 (TR)
Micrel, Inc.
MIC3001
August 2004
17
M9999-082404-A
hbwhelp@micrel.com or (408) 955-1690
Block Diagram
Figure 1. MIC3001 Block Diagram
MIC3000 Capability
In general, the MIC3001 is completely hardware and
software backward compatible with the MIC3000. Every
feature available in the MIC3000 is still present in the
MIC3001. New features have, of course, been added.
The following differences between the MIC3000 and
MIC3001 would be evident to host software:
1.
Faults do not set alarm or warning bits as in the
MIC3000.
2.
RXOPI at register address 69h at serial address
x2h now contains four bits of data rather then
being fixed at zero as in the MIC3000.
Analog-to-Digital Converter/Signal Monitoring
A block diagram of the monitoring circuit is shown below.
Each of the five analog parameters monitored by the
MIC3001 are sampled in sequence. All five parameters are
sampled and the results updated within the tCONV internal
given in the “Electrical Characteristics” section. In OEM,
Mode, the channel that is normally used to measure VIN
may be assigned to measure the level of the VDDA pin or
one of five other nodes. This provides a kind of analog
loopback for debug and test purposes. The VAUX bits in
OEMCFG0 control which voltage source is being sampled.
The various VAUX channels are level-shifted differently
depending on the signal source, resulting in different LSB
values and signal ranges. See Table 5.
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