AD9643BCPZ-210 Analog Devices Inc, AD9643BCPZ-210 Datasheet - Page 33

• Manufacturer Part Number: AD9643BCPZ-210
• Description: IC ADC 14BIT SRL 210MSPS 64LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9643BCPZ-210

• Sampling Rate: 210MSPS
• Input Channel Type: Differential, Single Ended
• Data Interface: 3-Wire, Serial
• Supply Voltage Range - Analog: 1.7V To 1.9V
• Supply Voltage Range - Digital: 1.7V To 1.9V
• Rohs Compliant: Yes
• Resolution (bits): 14bit
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Addr
(Hex)
0x0D
0x0E
0x10
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
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
Pattern 3 LSB
(global)
User Test
Pattern 3 MSB
(global)
Bit 7
(MSB)
User test
mode
control
0 = con-
tinuous/
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
Open
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 3[15:8]
User Test Pattern 1[7:0]
User Test Pattern 2[7:0]
User Test Pattern 3[7:0]
Rev. A | Page 33 of 36
Offset adjust in LSBs from +31 to −32
Bit 3
Open
Open
(twos complement format)
LVDS output drive current adjust
0000 = 3.72 mA output drive current
0001 = 3.5 mA output drive current (default)
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
0111 = 2.0 mA output drive current (reduced range)
1000 to 1111 = reserved
Open
Full-scale input voltage selection
01111 = 2.087 V p-p
…
00001 = 1.772 V p-p
00000 = 1.75 V p-p (default)
11111 = 1.727 V p-p
…
10000 = 1.383 V p-p
[delay = (3100 ps × register value/31 +100)]
DCO clock delay
00000 = 100 ps
00001 = 200 ps
00010 = 300 ps
…
11110 = 3100 ps
11111 = 3200 ps
Bit 2
Output
invert (local)
1 = normal
(default)
0 = inverted
Output test mode
0000 = off (default)
0001 = midscale short
0010 = positive FS
0011 = negative FS
0100 = alternating checkerboard
0101 = PN long sequence
0110 = PN short sequence
0111 = one/zero word toggle
1000 = user test mode
1001 to 1110 = unused
1111 = ramp output
Reset BIST
sequence
Open
Bit 1
Open
Open
Output format
00 = offset binary
01 = twos complement
(default)
10 = gray code
11 = reserved
(local)
Bit 0
(LSB)
BIST enable
Open
Default
Value
(Hex)
0x00
0x00
0x00
0x05
0x01
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
AD9643
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.