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LMP7312MA/NOPB Datasheet(PDF) 7 Page - Texas Instruments

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Part # LMP7312MA/NOPB
Description  Precision SPI-Programmable AFE with Differential/Single-Ended Input/Output
PDF  29 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LMP7312MA/NOPB Datasheet(HTML) 7 Page - Texas Instruments

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LMP7312
SDI
+IN
-IN
+VIN
-VIN
CS
SDO
VIO
V
+
+VOUT
-VOUT/VR
VOCM
V
-
SCK
t7
t8
t3
t2
t1
t4
t5
t6
DN
DN±4
DN±1
SCK
SDO
SDI
CS
OLD DN
t9
OLD DN±3
OLD DN±4
LMP7312
www.ti.com
SNOSB32B – MARCH 2010 – REVISED MARCH 2013
Timing Diagram
Connection Diagram
Figure 1. 14-Pin SOIC-Top View
PIN DESCRIPTIONS
Pin
Name
Description
1
SDI
SPI data IN
2
+IN
Non-inverting input of Amplification pair
3
-IN
Inverting input of Amplification pair
4
+VIN
Non-inverting input of Attenuation pair
5
-VIN
Inverting input of Attenuation pair
6
CS
SPI chip select
7
SDO
SPI data OUT
8
VIO
SPI supply voltage
9
V+
Positive supply voltage
10
+VOUT
Non-inverting output
11
-VOUT/VR
Inverting output in differential output mode, reference input in single-ended operation mode
12
VOCM
Output common mode voltage in DE
13
V−
Negative supply voltage, reference for both Analog and Digital supplies
14
SCK
SPI Clock
Copyright © 2010–2013, Texas Instruments Incorporated
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