AD9239 查看數據表（PDF） - Analog Devices
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AD9239 Datasheet PDF : 41 Pages
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Data Sheet
TIMING DIAGRAM
ANALOG
INPUT SIGNAL
N – 40
N – 39
N – 38
N – 37
SAMPLE
RATE CLOCK
SAMPLE
N
N
+
1
AD9239
SAMPLE
RATE CLOCK
SERIAL
DATA OUT
...
...
SERIAL CODED SAMPLES: N – 40, N – 39, N – 38, N – 37 ...
...
...
...
...
...
...
DATA PACKET 1
(64 BITS)
8-BIT HEADER
CHANNEL ID
48-BIT ADC
DATA-WORD
Figure 2. Timing Diagram
8-BIT ERROR
CORRECTION
Table 5. Packet Protocol
Bits[64:57]
Bits[56:45]
Header
Data 1
(8 bits MSB first)
(12 bits MSB first)
Bits[44:33]
Data 2
(12 bits MSB first)
Bits[32:21]
Data 3
(12 bits MSB first)
Bits[20:9]
Data 4
(12 bits MSB first)
Bits[8:1]
ECC
(8 bits MSB first)
Rev. E | Page 7 of 40
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