sx8725 Semtech Corporation, sx8725 Datasheet - Page 9

• Manufacturer Part Number: sx8725
• Description: Sx8725 Zoomingadc? For Pressure And Temperature Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Pin Description
Notes:
(1) This pin is internally connected to V
V1.5 © 2007 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
I
I
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)
2
2
C Data
C Clock. Up to 400KHz.
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