ADS5401_16 Datasheet, PDF (26/49 Pages) Texas Instruments – Single 12-Bit 800-Msps Analog-to-Digital Converter

ADS5401
SLAS946B – APRIL 2013 – REVISED JANUARY 2016
www.ti.com
8.6.1 Register Name: Config0 - Address: 0×00, Default = 0×00
Figure 48. Register Config0 Format
Register
Address
Register Data
A7-A0 in hex D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0
3-/4- Dec- 0 ChA 0
0
0
0
0
0
0
0
0
0
0
0
wire ima-
High/
SPI tion
Low
Filter
Pass
EN
D15 3-/4-Wire SPI
Default 0
Enables 4-bit serial interface when set
0
3-wire SPI is used with SDIO pin operating as bidirectional I/O port
1
4-wire SPI is used with SDIO pin operating as data input and SDO pin as data output port.
D14 Decimation
Filter EN
Default 0
2x decimation filter is enabled when bit is set
0
Normal operation with data output at full sampling rate
1
2x decimation filter enabled
D12 ChA Highpass (Decimation filter must be enabled first: set bit D14)
or
Lowpass
Default 0
0
Lowpass
1
Highpass
26
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