XE8000EV121 Semtech, XE8000EV121 Datasheet - Page 11

• Manufacturer Part Number: XE8000EV121
• Description: BOARD EVAL FOR SX8723/24
• Manufacturer: Semtech

Specifications of XE8000EV121

• Main Purpose: Interface, Sensor to ADC Interface, Programmable
• Embedded: No
• Utilized Ic / Part: SX8723, SX8724, SX8725
• Primary Attributes: Signal Conditioning for Bridge-Type Sensors
• Secondary Attributes: GUI, Up to 16-Bit, Programmable Gain of 1/12 ~ 1000, I2C Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADVANCED COMMUNICATIONS & SENSING
3.4 XE8000EV121 board overview
The picture below describes the main zones and functions accessible on the XE8000EV121
3.4.1 Power supply
The XE8000EV121 board provides a lot power supply voltage possibilities; the following paragraphs describe
how to configure and use them.
3.4.1.1 Power sources
The board can be powered through four different power sources:
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Power supply selection
Onboard optional
reference
Application chip
Power switch
1.3mm DC connector
Reference example: Manufacturer: Cliff Electronic Components PN: DCPP3
Analog interface
1. USB:
2. 1.3mm DC: Connection using a male 1.3mm DC connector
3. Battery:
4. VExt:
USB power coming from the PC.
3.0VDC Lithium battery (CR2032 type)
External source applied on VDD_EXT pin of the digital interface (see § 3.5.2)
Figure 7 XE8000EV121 board overview
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SX8723/24/25 Evaluation Tools XE8000EV121
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Lithium battery socket
(CR2032 type)
USB LEDS
USB connector
USB transceiver
Digital interface
Gateway control
PIC16F877A gateway
Users Guide