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ADS4449 Datasheet(PDF) 27 Page - Texas Instruments

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Part # ADS4449
Description  Quad-Channel, 14-Bit, 250-MSPS, Low-Power ADC
PDF  54 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADS4449 Datasheet(HTML) 27 Page - Texas Instruments

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ADS4449
www.ti.com
SBAS603 – APRIL 2013
SERIAL INTERFACE REGISTERS
Table 4 summarizes the ADS4449 registers.
Table 4. Register Map
REGISTER
REGISTER DATA
ADDRESS
A[7:0] (Hex)
D7
D6
D5
D4
D3
D2
D1
D0
00
0
0
0
0
0
0
RESET
READOUT
01
LVDS SWING
0
0
DIGITAL GAIN
25
DIGITAL GAIN CH B
TEST PATTERN CH B
BYPASS CH B
DIGITAL GAIN
2B
DIGITAL GAIN CH A
TEST PATTERN CH A
BYPASS CH A
DIGITAL GAIN
31
DIGITAL GAIN CH D
TEST PATTERN CH D
BYPASS CH D
DIGITAL GAIN
37
DIGITAL GAIN CH C
TEST PATTERN CH C
BYPASS CH C
OFFSET CORR
3D
0
0
0
0
0
0
0
EN1
3F
0
0
CUSTOM PATTERN[13:8]
40
CUSTOM PATTERN[7:0]
42
0
0
0
0
DIGITAL ENABLE
0
0
0
GLOBAL POWER
45
0
0
0
DIS OVR ON LSB
SEL OVR
0
CONFIG PDN PIN
DOWN
A9
0
0
0
0
CLOCKOUT DELAY PROG CH AB
ALWAYS WRITE
AC
0
CLOCKOUT DELAY PROG CH CD
0
0
1
C3
FAST OVR THRESH PROG
EN FAST OVR
C4
0
0
0
0
0
0
0
THRESH
OFFSET CORR
CF
0
0
0
0
0
0
0
EN2
ALWAYS WRITE
D6
0
0
0
0
0
0
0
1
ALWAYS WRITE
ALWAYS WRITE
D7
0
0
0
0
0
0
1
1
HIGH FREQ
F1
0
0
0
0
ENABLE LVDS SWING PROG
MODE
HIGH SNR MODE
58
0
0
0
0
0
0
0
CH A
ALWAYS WRITE
59
0
0
0
0
0
0
0
1
HIGH SNR MODE
70
0
0
0
0
0
0
0
CH B
ALWAYS WRITE
71
0
0
0
0
0
0
0
1
HIGH SNR MODE
88
0
0
0
0
0
0
0
CH D
ALWAYS WRITE
89
0
0
0
0
0
0
0
1
HIGH SNR MODE
A0
0
0
0
0
0
0
0
CH C
ALWAYS WRITE
A1
0
0
0
0
0
0
0
1
FE
0
0
0
0
PDN CH D
PDN CH C
PDN CH A
PDN CH B
Copyright © 2013, Texas Instruments Incorporated
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