XE8000EV121 Semtech, XE8000EV121 Datasheet - Page 12

• 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
3.4.1.2 Power supply selection
Available supply voltages versus selected power source are described below:
IMPORTANT: DO NEVER CONNECT EXT_POW JUMPER IF VDD_EXT IS HIGHER THAN 5.5VDC
The picture below shows the selector. User should place the jumper on the desired SX8723/24/25 supply
voltage value.
Note: Use only one jumper at the same time on the power supply selector.
V1.7 © 2008 Semtech Corp.
(5.0+/- 0.5) (6.0 – 15.0)
USB
1.3mmDC
Figure 9 XE8000EV121 power supply selector
Batt
(3.0)
Figure 8 Power supply matrix
VExt
(2.4 - 5.5)
12
[VDC]
Direct
2.5V
3.3V
5.0V
SX8723/24/25 Evaluation Tools XE8000EV121
VDD
(5V USB, BATTERY,
(2_5V)
(3_3V)
(5V_REG)
Available voltages
(Jumpers configuration)
Power sources
www.semtech.com
Users Guide