AD9613 Analog Devices, AD9613 Datasheet - Page 33

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AD9613

Manufacturer Part Number
AD9613
Description
12-bit, 170/210/250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
Manufacturer
Analog Devices
Datasheet

Specifications of AD9613

Resolution (bits)
12bit
# Chan
2
Sample Rate
250MSPS
Interface
LVDS,Par
Analog Input Type
Diff-Bip
Ain Range
1.75 V p-p
Adc Architecture
Pipelined
Pkg Type
CSP
Data Sheet
Addr
(Hex)
0x0D
0x0E
0x10
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
Register
Name
Test mode
(local)
BIST enable
(local)
Offset adjust
(local)
Output mode
Output Adjust
(Global)
Clock phase
control
(global)
DCO output
delay (global)
Input span
select (global)
User Test
Pattern 1 LSB
(global)
User Test
Pattern 1 MSB
(global)
User Test
Pattern 2 LSB
(global)
User Test
Pattern 2 MSB
(global)
User Test
Bit 7
(MSB)
User test
mode
control
0 =
continuou
s/repeat
pattern
1 = single
pattern,
then 0s
Open
Open
Open
Open
Invert
DCO clock
Enable
DCO
clock
delay
Open
Open
Bit 6
Open
Open
Open
Open
Open
Open
Open
Bit 5
Reset PN
long gen
Open
Open
Open
Odd/Even
Mode
Output
Enable
0 =
disabled
1 =
enabled
Open
Open
Bit 4
Reset PN
short gen
Open
Output
enable bar
(local)
Open
Open
User Test Pattern 1[15:8]
User Test Pattern 2[15:8]
User Test Pattern 1[7:0]
User Test Pattern 2[7:0]
User Test Pattern 3[7:0]
Rev. B | Page 33 of 36
Offset adjust in LSBs from +31 to −32
[delay = (3100 ps × register value/31 +100)]
Bit 3
Open
Open
(twos complement format)
Open
0111 = 2.0 mA output drive current (reduced range)
Full-scale input voltage selection
0001 = 3.5 mA output drive current (default)
00000 = 1.75 V p-p (default)
0000 = 3.72 mA output drive current
0010 = 3.30 mA output drive current
0011 = 2.96 mA output drive current
0100 = 2.82 mA output drive current
0101 = 2.57 mA output drive current
0110 = 2.27 mA output drive current
01111 = 2.087 V p-p
00001 = 1.772 V p-p
11111 = 1.727 V p-p
10000 = 1.383 V p-p
0100 = alternating checkerboard
LVDS output drive current adjust
11110 = 3100 ps
11111 = 3200 ps
DCO clock delay
Bit 2
0111 = one/zero word toggle
Reset BIST
sequence
Output invert
(local)
1 = normal
(default)
0 = inverted
00000 = 100 ps
00001 = 200 ps
00010 = 300 ps
0110 = PN short sequence
0101 = PN long sequence
1001 to 1110 = unused
Open
0001 = midscale short
1000 = user test mode
1000 – 1111 = reserved
1111 = ramp output
0000 = off (default)
0011 = negative FS
0010 = positive FS
Output test mode
Bit 1
Open
Open
01 = twos complement
00 = offset binary
10 = gray code
Output format
11 = reserved
(default)
(local)
Bit 0
(LSB)
BIST enable
Open
Default
Value
(Hex)
0x00
0x00
0x00
0x05
0x01
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
AD9613
Default
Notes/
Comments
When this
register is
set, the test
data is
placed on
the output
pins in
place of
normal data
Configures
the outputs
and the
format of
the data
Full-scale
input
adjustment
in 0.022 V
steps

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