LMP90100MHE National Semiconductor, LMP90100MHE Datasheet - Page 49

• 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

ADC_DOUT: 24-bit Conversion Data (two’s complement) (Address 0x1A - 0x1C)
Note: Repeat reads of these registers are allowed as long as such reads are spaced apart by at least 72 µs.
18.4 Channel Configuration Registers
CH_STS: Channel Status (Address 0x1E)
[7:2] Reserved
Bit Bit Symbol
Address
1
0
0x1C
0x1A
0x1B
CH_SCAN_NRDY
INV_OR_RPT_RD_STS
Name
ADC_DOUTH
ADC_DOUTM
ADC_DOUTL
Bit Description
-
Channel Scan Not Ready – indicates if it is okay to program CH_SCAN
0: Update not pending, CH_SCAN register is okay to program
1: Update pending, CH_SCAN register is not ready to be programmed
Invalid or Repeated Read Status
0: ADC_DOUT just read was valid and hitherto unread
1: ADC_DOUT just read was either invalid (not ready) or there was a repeated read.
Register Description
ADC Conversion Data [23:16]
ADC Conversion Data [15:8]
ADC Conversion Data [7:0]
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