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

-50 -25 0 25 50 75 100 125
90.0
92.5
95.0
97.5
100.0
102.5
105.0
PSRR (dB)
TEMPERATURE (°C)
+IN_PGA=500mV
-50 -25 0 25 50 75 100 125
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
0.10
GAIN ERROR (%)
TEMPERATURE (°C)
PGA Gain = 5V/V
PGA Gain = 10V/V
-275-220-165-110-55 0 55 110 165 220275
0
3
6
9
12
15
PERCENTAGE (%)
V
OS
PGA(V)
UNITS TESTED >5000
+IN_PGA=500mV
-2.5-2.0-1.5-1.0-0.5 0.0 0.5 1.0 1.5 2.0 2.5
0
3
6
9
12
15
18
21
24
27
30
PERCENTAGE (%)
TCV
OS
PGA(V/°C)
UNITS TESTED >5000
+IN_PGA=500mV
-50 -25 0 25 50 75 100 125
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
0.30
ERROR (%)
TEMPERATURE (°C)
VCMHI=1/8VREF
VCMHI=1/4VREF
VCMHI=3/8VREF
VCMHI=1/2VREF
VCMHI=5/8VREF
VCMHI=3/4VREF
VCMHI=7/8VREF
1.8 2.2 2.6 3.0 3.4 3.8 4.2 4.6 5.0
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
0.30
ERROR (%)
SUPPLY VOLTAGE (V)
VCMHI=1/8VREF
VCMHI=1/4VREF
VCMHI=3/8VREF
VCMHI=1/2VREF
VCMHI=5/8VREF
VCMHI=3/4VREF
VCMHI=7/8VREF
LMP91200
SNAS571C –JANUARY 2012–REVISED MARCH 2013
www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified, T
A
=25°C, V
S
=(VDD-GND)=3.3V, VREF=3.3V.
VCMHI error VCMHI error
vs. Temp vs. Supply Voltage
Figure 34. Figure 35.
PGA Input Voltage Offset PGA TcVos
Figure 36. Figure 37.
PGA DC PSRR PGA Gain error
vs. Temperature vs. Temp
Figure 38. Figure 39.
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