MAX11270 Datasheet, PDF (27/46 Pages) Maxim Integrated Products – Integrated PGA

MAX11270
24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
SPI 8b REGISTER READ
RDY
tCSS0
CS
‘X’
tCSH1
tCSW
SCLK
tCH
1
tDS
tCL
tCP
8
tDH
tCSS1
16
8b data
DIN
‘X’
‘1’ ‘1’ RS4 RS3 RS2 RS1 RS0 ‘1’ ‘X’ ‘X’ ‘X’ ‘X’ ‘X’ ‘X’ ‘X’ ‘X’
‘X’
tDOE
DOUT ^HIGH-Z
‘X’
tDOT
tDOH
D7 D6 D5 D4 D3 D2 D1 D0
tDOD
HIGH-Z
Figure 6. SPI Register Read Timing Diagram
RDY
CS
tCSS0
SCLK
tCH
1
tCL
tCP
89
tDS
tDH
DIN
‘x’ ‘1’ ‘1’ ‘0’ ‘0’ ‘1’ ‘1’ ‘0’ ‘1’
tDOE
DOUT ^HIGH-Z
‘x’
tDOT
MSB
Figure 7. SPI Data Readout Timing Diagram
tR1
tCSH1
tCSW
tCSS1
23
16b data
31
24b data
39
32b data
tDOH
tDOD
LSB ^HIGH-Z
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