AD9639 Analog Devices, Inc., AD9639 Datasheet - Page 34

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AD9639

Manufacturer Part Number
AD9639
Description
Quad, 12-bit, 170 Msps/210 Msps Serial Output 1.8 V Adc
Manufacturer
Analog Devices, Inc.
Datasheet
AD9639
Addr.
(Hex)
0x21
0x24
0x25
0x33
0x50
0x51
0x52
0x53
Register
Name
serial_control
(global)
misr_lsb
(local)
misr_msb
(local)
JESD204
(global)
coarse_
gain_adj
(local)
fine_
gain_adj
(local)
gain_cal_ctl
Dynamic
pgm pins
(global)
(MSB)
Bit 7
B7
B15
Gain adjust
enable
1 = on
0 = off
(default)
Temperature
sensor
enable
1 = on
0 = off
(default)
pgm_3
00 = sync
01 = Standby A
10 = Standby A and
Standby D
11 = Standby A and
Standby B
Bit 6
B6
B14
Bit 5
B5
B13
pgm_2
00 = sync
01 = Standby B
10 = Standby B and
Standby C
11 = Standby B and
Standby A
B4
B12
Rev. 0 | Page 34 of 36
Bit 4
Coarse gain adjust[5:0] = output[63:0]
000000 = 0000…0001
000001 = 0000…0011
000010 = 0000…0111
111101 = 0011…1111
111110 = 0111…1111
111111 = 1111…1111
Bit 3
PLL
high
encode
rate
mode
(global)
0 = low
rate
1 = high
rate
(default)
B3
B11
Over-
range in
LSB of
tail bits
0 = over-
range
disabled
(default)
1 = over-
range
enabled
pgm_1
00 = sync
01 = Standby C
10 = Standby C and
Standby B
11 = Standby C and
Standby D
Fine gain adjust[3:0] = output[15:0]
0000 = 0000000000000001
0001 = 0000000000000010
0010 = 0000000000000100
1101 = 0010000000000000
1110 = 0100000000000000
1111 = 1000000000000000
B2
B10
Gain
quarter
LSB
1 = on
0 = off
(default)
Bit 2
B1
B9
Gain cal
resetb
1 = on
(default)
0 = off
pgm_0
00 = sync
01 = Standby D
10 = Standby D and
Standby A
11 = Standby D and
Standby C
Bit 1
(LSB)
Bit 0
B0
B8
Scram-
bling
enable
0 = scram-
bling
disabled
(default)
1 = scram-
bling
enabled
Gain cal
enable
1 = on
0 = off
(default)
Default
Value
(Hex)
0x08
0x00
0x00
0x00
0x00
0x00
0x02
0x00
Comments
Serial stream
control.
Least
significant
byte of
MISR.
Read only.
Most
significant
byte of
MISR.
Read only.
Standby =
ADC core
off, PN23
enabled,
serial
channel
enabled.

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