Datasheet
Table Of Contents
- FEATURES
- Applications
- Key Specifications
- DESCRIPTION
- Absolute Maximum Ratings
- Operating Ratings
- Electrical Characteristics
- Electrical Characteristics (Serial Interface)
- Electrical Characteristics (Diagnostic)
- Typical Performance Characteristics
- Functional Description
- Revision History

LMP91200
www.ti.com
SNAS571C –JANUARY 2012–REVISED MARCH 2013
Configuration Register
Bit Name Description
0 pH measurement (default)
D15 MEAS_MODE
1 Temp measurement
0 RTD (default)
D14 I_MUX
1 CAL
00 100µA (default)
01 200 µA
[D13:D12] I_VALUE
10 1 mA
11 2 mA
0 5 V/V (default)
D11 PGA
1 10 V/V
011 7/8Vref
010 3/4Vref
001 5/8Vref
000 1/2Vref (default)
[D10 :D8] VCM
100 1/2Vref
101 3/8Vref
110 1/4Vref
111 1/8 Vref
0 VOCM (default)
D7 VOCM
1 GND
0 DIAG pin disabled (default)
D6 DIAG_EN
1 DIAG pin enabled
[D5 :D0] RESERVED RESERVED
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