XE8000EV121 Semtech, XE8000EV121 Datasheet - Page 9

• 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
Pin Description
Notes:
(1) This pin is internally connected to V
V1.8 © 2009 Semtech Corp.
Pin Configuration
Pin
10
11
12
13
1
2
3
4
5
6
7
8
9
NC
NC
V
V
READY
D
D
SDA
SCL
V
AC
AC
V
Name
BATT
SS
PUMP
SS
1
0
2
3
-
-
Power Input
Power Input
Digital Output
Digital IO + analog
Digital IO + analog
Digital IO
Digital IO
Power IO
Analog Input
Analog Input
Power Input
Type
SS
. It should also be connected to V
Not Connected
Not Connected
2.4V to 5.5V power supply
Chip Ground
Conversion complete flag.
Digital output sensor drive (V
V
Digital output sensor drive (V
V
2-WIRE Data
2-WIRE Clock. Up to 400KHz.
Charge pump output. Raises ADC supply above V
Recommended range for capacitor is 1nF to 10 nF. Connect the capacitor to GND.
Differential sensor input in conjunction with AC
Differential sensor input in conjunction with AC
Bottom ground pad (1)
REF
REF
Input in optional operating mode
Output in optional operating mode
ZoomingADC™ for Pressure and Temperature Sensing
9
Marking Information
BATT
BATT
SS
or V
or V
on PCB to reduce noise and improve thermal behavior.
SS
SS
)
)
Function
yyww = Date code
xxxx = Semtech lot number
3
2
BATT
if V
xxxxx
xxxxx
yyww
8725
BATT
supply is too low.
www.semtech.com
SX8725