LMP90100MHE National Semiconductor, LMP90100MHE Datasheet - Page 51

• Manufacturer Part Number: LMP90100MHE
• Description: AFE, SENSOR, 28TSSOP
• Manufacturer: National Semiconductor

Specifications of LMP90100MHE

• Brief Features: 24bit Low Power Sigma Delta ADC, Automatic Channel Sequencer
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +105°C
• Digital Ic Case Style: TSSOP
• No. Of Pins: 28
• Base: RoHS Compliant
• Ic Function: Multi-Channel, Low Power 24-bit Sensor AFE
• Rohs Compliant: Yes

CHx_INPUTCN: Channel Input Control
Register Address (hex):
a. CH0: 0x20
b. CH1: 0X22
c. CH2: 0x24
d. CH3: 0x26
e. CH4: 0x28
f. CH5: 0x2A
g. CH6: 0x2C
CH0
CH1
CH2
CH3
[5:3] VINP
[2:0] VINN
Bit Bit Symbol
7
6
BURNOUT_EN
VREF_SEL
Default VINx for CH0-CH6
VINP
VIN0
VIN2
VIN4
VIN6
Bit Description
Enable sensor diagnostic
0 (default): Disable Sensor Diagnostics current injection for this Channel
1: Enable Sensor Diagnostics current injection for this Channel
Select the reference
0 (Default): Select VREFP1 and VREFN1
1: Select VREFP2 and VREFN2
Positive input select
0x0: VIN0
0x1: VIN1
0x2: VIN2
0x3: VIN3
0x4: VIN4
0x5: VIN5
0x6: VIN6
0x7: VIN7
Note: to see the default values for each channel, refer to the table below.
Negative input select
0x0: VIN0
0x1: VIN1
0x2: VIN2
0x3: VIN3
0x4: VIN4
0x5: VIN5
0x6: VIN6
0x7: VIN7
Note: to see the default values for each channel, refer to the table below.
VINN
VIN1
VIN3
VIN5
VIN7
51
CH4
CH5
CH6
VIN0
VIN2
VIN4
VIN1
VIN3
VIN5
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