SPUSI2/NOPB National Semiconductor, SPUSI2/NOPB Datasheet - Page 7

• Manufacturer Part Number: SPUSI2/NOPB
• Description: BOARD EVAL DATA CAPTURE BOARD
• Manufacturer: National Semiconductor

Specifications of SPUSI2/NOPB

• Main Purpose: Interface, Data Capture
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: WEBENCH® Sensor Designer Boards
• Primary Attributes: USB Interface Dongle II
• Secondary Attributes: SPI Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SPUSI2

calibration, whichever is provided last. A user entered sensitivity value is ignored
if the user calibrates the board and switches to using calibration based
computations.
applications such as the Thermocouple Sensor types.
3.2.2
fixed units such A/W. When the responsivity value is not applicable, the window
may not be shown or display a sensor name and will not accept any user data.
3.2.3 Gain.
specific documentation. It may be provided in the board configuration or in the
Control Panel gain window.
3.2.4 Differential/Single-Ended.
reference board is a differential ADC or a single-ended ADC. This parameter
should be pre-selected by the factory to the proper state.
incorrectly, a user would notice an error in calculations of a factor of 2.
3.2.5 RDivide.
Thermopile Sensor Board.
Computations generally use either the sensitivity value or an endpoint
The sensitivity units window is also used to select from lists for
Responsivity
The responsivity value is entered in the corresponding window and has
The amplifier gain value is used in computations according to the board
For calculation purposes, this determines whether the ADC on the
The RDivide resistance value is used for applications such as the
Figure 3-10: Selecting between Differential and Single-Ended Amplifiers.
Figure 3-9: User entered value in Gain Window.
Figure 3-8: Responsivity Window with Units.
.
Figure 3-7: Thermocouple Type Selection.
Figure 3-6: RDivide Resistance.
If it were set