LMP90100MHE National Semiconductor, LMP90100MHE Datasheet - Page 25

• 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

FIGURE 9. Digital Filter Response for a 3.5717MHz versus
16.2 CALIBRATION
As seen in
ground calibration and system calibration. These calibrations
are further described in the next sections.
-100
-120
-140
-20
-40
-60
-80
Figure
0
40
11, there are two types of calibration: back-
45
Crystal = 3.5717 MHz
Crystal = 3.6864 MHz
3.6864 MHz XTAL
FREQUENCY (Hz)
50
55
60
FIGURE 10. GPIO Register Settings
65
70
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16.1.8 GPIO (D0–D6)
Pins D0-D6 are general purpose input/output (GPIO) pins that
can be used to control external LEDs or switches. Only a high
or low value can be sourced to or read from each pin.
Figure 10
grammed.
shows a flowchart how these GPIOs can be pro-
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