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AD9239 Datasheet(PDF) 36 Page - Analog Devices

Part # AD9239
Description  Serial Output 1.8 V ADC
PDF  41 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9239 Datasheet(HTML) 36 Page - Analog Devices

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Data Sheet
AD9239
Addr.
(Hex)
Register
Name
(MSB)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
(LSB)
Bit 0
Default
Value
(Hex)
Default
Notes/
Comments
0F
adc_input
(local)
Analog
disconnect
enable
1 = on
0 = off
(default)
VCM
enable
1 = on
0 = off
(default)
0x00
10
offset
(local)
6-bit Device Offset Adjustment[5:0]
011111 = +31 LSB
011110 = +30 LSB
011101 = +29 LSB
…
000010 = +2 LSB
000001 = +1 LSB
000000 = 0 LSB
111111 = −1 LSB
111110 = −2 LSB
111101 = −3 LSB
…
100001 = −31 LSB
100000 = −32 LSB
0x00
Device
offset
trim.
14
output_mode
(local/global)
Output
enable bar
(local)
1 = off
0 = on
(default)
Output
invert
(global)
enable
1 = on
0 = off
(default)
Data format select
(global)
00 = offset binary
(default)
01 = twos
complement
10 = gray code
0x00
Configures
the outputs
and the
format of
the data.
15
output_adjust
(global)
Output Drive
Current[1:0]
00 = 400 mV
(default)
01 = 500 mV
10 = 440 mV
11 = 320 mV
0x00
VCM output
adjustments.
18
vref
(global)
Ref_Vfs[4:0]
Reference full-scale adjust
10000 = 0.98 V p-p
10001 = 1.00 V p-p
10010 = 1.02 V p-p
10011 = 1.04 V p-p
…
11111 = 1.23 V p-p
00000 = 1.25 V p-p (default)
00001 = 1.27 V p-p
…
01110 = 1.48 V p-p
01111 = 1.5 V p-p
0x00
Select
adjustments
for VREF.
19
Training
Pattern 1 LSB
B7
B6
B5
B4
B3
B2
B1
B0
0xA5
Read only.
1A
Training
Pattern 1 MSB
B15
B14
B13
B12
B11
B10
B9
B8
0x66
Read only.
1B
Training
Pattern 2 LSB
B7
B6
B5
B4
B3
B2
B1
B0
0x53
Read only.
1C
Training
Pattern 2 MSB
B15
B14
B13
B12
B11
B10
B9
B8
0x35
Read only.
1D
Training
Pattern 3 LSB
B7
B6
B5
B4
B3
B2
B1
B0
0xBB
Read only.
1E
Training
Pattern 3 MSB
B15
B14
B13
B12
B11
B10
B9
B8
0xDD
Read only.
1F
Training
Pattern 4 LSB
B7
B6
B5
B4
B3
B2
B1
B0
0xAA
Read only.
20
Training
Pattern 4 MSB
B15
B14
B13
B12
B11
B10
B9
B8
0xCC
Read only.
Rev. E | Page 35 of 40



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