sx8723s Semtech Corporation, sx8723s Datasheet - Page 12

• Manufacturer Part Number: sx8723s
• Description: Zoomingadc For Sensing Data Acquisition
• Manufacturer: Semtech Corporation

Revision 1.0
© Semtech
5 Pin Description
ADVANCED COMMUNICATIONS & SENSING
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
AC3
N.C.
N.C.
AC4
AC5
VBATT
VSS
READY
D1
SS
MISO/READY
D0
MOSI
SCLK
VPUMP
AC2
Note
February 2011
The bottom pad is internally connected to VSS. It should also be connected to
VSS on PCB to reduce noise and improve thermal behavior.
Type
Analog Input
-
-
Analog Input
Analog Input
Power Input
Power Input
Digital Output
Digital IO
Analog
Digital Input
Digital Output
Digital IO
Analog
Digital Input
Digital Input
Power IO
Analog Input
Function
Differential sensor input in conjunction with AC2
Not used
Not used
Differential sensor input in conjunction with AC5
Differential sensor input in conjunction with AC4
2.4V to 5.5V power supply
Chip Ground
Data Ready (active high). Conversion complete flag.
Digital output sensor drive (V
V
Chip select (active low).
Serial data output (Master Input, Slave Output), or data out combined with
READY (active low when ADC Data Ready function enabled).
Digital output sensor drive (V
V
Serial clock input.
Charge pump output. Raises ADC supply above V
Recommended range for capacitor is 1nF to 10 nF. Connect the capacitor to
ground.
Differential sensor input in conjunction with AC3
Serial data input (Master Output, Slave Input).
REF
REF
Page 12
Input in optional operating mode
Output in optional operating mode
ZoomingADC for sensing data acquisition
BATT
BATT
or V
or V
SS
SS
)
)
BATT
if V
SX8723S
BATT
www.semtech.com
DATASHEET
supply is too low.