參數(shù)資料
型號： AD7877ACPZ-REEL7
廠商： ANALOG DEVICES INC
元件分類： 消費家電
英文描述： 16-Bit, Pseudo Bipolar, Fully Diff Input, 250kSPS Serial Out, 2.7V to 5.5V Micro Power Sampling ADC 8-MSOP -40 to 85
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC32
封裝： 5 X 5 MM, ROHS COMPLIANT, MO-220VHHD-2, LFCSP-32
文件頁數(shù)： 23/44頁
文件大?。?/td> 1002K
代理商： AD7877ACPZ-REEL7
AD7877
Rev. A | Page 23 of 44
0
LIMIT COMPARISON
START FCD TIMER
UPDATE ALERT
ENABLE/STATUS
REGISTER
CONVERT
SELECTED CHANNEL
IS FCD
FINISHED
HOST PROGRAMS
NO
YES
NO
YES
NO
YES
YES
NO
YES
NO
IS AVERAGING
FINISHED
ONCE-ONLY
MODE
WRITE RESULT TO
REGISTERS
GOTO MODE 00
ALERT
SOURCE
ENABLED
IS ACQUISITION
TIME FINISHED
TIMER
FINISHED
IS FCD
REQUIRED
START ACQUISITION TIMER
START TIMER
OUT-OF-LIMIT
ASSERT ALERT
OUTPUT*
YES
NO
NO
YES
YES
NO
*NOTE: SEE EXPLANATION IN TEXT
IS STOPACQ
SIGNAL ACTIVE
NO
IS STOPACQ
SIGNAL ACTIVE
NO
YES
YES
Figure 37. Single Channel Operation
0
YES
NO
ONCE-ONLY
MODE
GOTO MODE 00
TIMER
FINISHED
START TIMER
NO
YES
*NOTE: SEE EXPLANATION IN TEXT
LIMIT COMPARISON
START FCD TIMER
UREGISTER
CONVERT
SELECTED CHANNEL
IS FCD
FINISHED
HOST PROGRAMS
AD7877 IN MODE 10
NO
YES
NO
YES
NO
YES
YES
NO
IS AVERAGING
FINISHED
WRITE RESULT TO
REGISTERS
ALERT
SOURCE
ENABLED
IS ACQUISITION
TIME FINISHED
IS FCD
REQUIRED
START ACQUISITION TIMER
OUT-OF-LIMIT
ASSERT ALERT
OUTPUT*
YES
NO
YES
NO
SEVALID
SELECT NEXT
CHANNEL
GOTO MODE 00
LAST CHANNEL
IN SEQUENCE
YES
NO
YES
IS STOPACQ
SIGNAL ACTIVE
NO
YES
IS STOPACQ
SIGNAL ACTIVE
YES
NO
NO
Figure 38. Slave Mode Sequencer Operation
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參數(shù)描述
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