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LMP91050 Datasheet(PDF) 7 Page - Texas Instruments

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Part # LMP91050
Description  LMP91050 Configurable AFE for Nondispersive Infrared (NDIR) Sensing Applications
PDF  23 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LMP91050 Datasheet(HTML) 7 Page - Texas Instruments

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Valid Data
tH
tSU
tPH
tPL
SDI
16
th clock
SCLK
Valid Data
LMP91050
www.ti.com
SNAS517D – NOVEMBER 2011 – REVISED MARCH 2013
Timing Characteristics
(1) (continued)
The following specifications apply for VDD = 3.3V, VCM = 1.15V, CL = 15pF, Bold values for TA = -40°C to +85°C unless
otherwise specified. All other limits apply to TA = TJ = +25°C.
Min
Typ
Max
Symbol
Parameter
Conditions
Units
(2)
(3)
(2)
tPH
SCLK Pulse Width High
0.4/fSCLK
ns
tPL
SCLK Pulse Width Low
0.4/fSCLK
ns
tCSS
CSB Setup Time
10
ns
tCSH
CSB Hold Time
10
ns
SDI Setup Time prior to rise
tSU
10
ns
edge of SCLK
SDI Hold Time prior to rise
tSH
10
ns
edge of SCLK
SDO Disable Time after rise
tDOD1
45
ns
edge of CSB
SDO Disable Time after 16th
tDOD2
45
ns
rise edge of SCLK
SDO Enable Time from the fall
tDOE
35
ns
edge of 8th SCLK
SDO Access Time after the fall
tDOA
35
ns
edge of SCLK
SDO hold time after the fall
tDOH
5
ns
edge of SCLK
tDOR
SDO Rise time
5
ns
tDOF
SDO Fall time
5
ns
Timing Diagrams
Figure 3. SPI Timing Diagram
Figure 4. SPI Set-up Hold Time
Copyright © 2011–2013, Texas Instruments Incorporated
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