AD9239-250KITZ Analog Devices Inc, AD9239-250KITZ Datasheet - Page 7

• Manufacturer Part Number: AD9239-250KITZ
• Description: Quad 12 Bit 250 MSPS Serial ADC-Evl Brd
• Manufacturer: Analog Devices Inc

Specifications of AD9239-250KITZ

• Number Of Adc's: 4
• Number Of Bits: 12
• Sampling Rate (per Second): 250M
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Input Range: 1.25 Vpp
• Power (typ) @ Conditions: 1.526W @ 250MSPS
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9239
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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