AD9208 Datasheet, PDF (134/137 Pages) Analog Devices – 14-Bit, 3 GSPS, JESD204B, Dual Analog-to-Digital Converter

Data Sheet
Addr. Name
Bits Bit Name
0x18E6 Temperature diode [7:0] Temperature diode
export
location select
0x1908 Analog input
control (local)
[7:3] Reserved
2 Enable dc coupling
0x1910 Input full-scale
control (local)
[1:0] Reserved
[7:4] Reserved
[3:0] Input full-scale voltage
0x1A4C Buffer Control 1
(local)
[7:6] Reserved
[5:0] Buffer Control 1
0x1A4D Buffer Control 2
(local)
[7:6] Reserved
[5:0] Buffer Control 2
Settings Description
See the Temperature Diode section.
0x00
0x01
0x02
0x03
0x40
0x41
0x42
0x43
0x50
0x51
0x52
0x53
Central diode. VREF pin = high-Z.
Central diode. VREF pin = 1× diode voltage output.
Central diode. VREF pin = 20× diode voltage output.
Central diode. VREF pin = GND.
Channel A diode. VREF pin = high-Z.
Channel A diode. VREF pin = 1× diode voltage output.
Channel A diode. VREF pin = 20× diode voltage output.
Channel A diode. VREF pin = GND.
Channel B diode. VREF pin = high-Z.
Channel B diode. VREF pin = 1× diode voltage output.
Channel B diode. VREF pin = 20× diode voltage output.
Channel B diode. VREF pin = GND.
Reserved.
0
Analog input is optimized for ac coupling.
1
Analog input is optimized for dc coupling.
Reserved.
Reserved.
1000
1001
1101
1110
1111
0000
Full-scale voltage setting.
1.13 V p-p differential.
1.25 V p-p differential.
1.7 V p-p differential.
1.81 V p-p differential.
1.93 V p-p differential.
2.04 V p-p differential.
Reserved.
00 0100
00 1001
01 1110
10 0011
10 1000
11 0010
Input Buffer Main Current 1. See the Analog Input Buffer
Controls and SFDR Optimization section.
Buffer current set to 400 μA.
Buffer current set to 500 μA.
Buffer current set to 600 μA.
Buffer current set to 700 μA.
Buffer current set to 800 μA.
Buffer current set to 1000 μA.
Reserved.
00 0100
00 1001
01 1110
10 0011
10 1000
11 0010
Input Buffer Main Current 2. See the Analog Input Buffer
Controls and SFDR Optimization section.
Buffer current set to 400 μA.
Buffer current set to 500 μA.
Buffer current set to 600 μA.
Buffer current set to 700 μA.
Buffer current set to 800 μA.
Buffer current set to 1000 μA.
AD9208
Reset Access
0x0 R/W
0x0 R
0x0 R/W
0x0 R
0x0 R
0xD R/W
0x0 R
0x19 R/W
0x0 R
0x19 R/W
Rev. 0 | Page 133 of 136