SX8724C Datasheet, PDF (27/67 Pages) Semtech Corporation – ZoomingADC for sensing data acquisition

ADVANCED COMMUNICATIONS & SENSING
SX8724C
ZoomingADC for sensing data acquisition
DATASHEET
Max gain First active PGA
10.0
fs = 62.5, 125kHz or 250kHz
5.0
2.5
VBATT-2.2V
fs frequency 500kHz
VBATT-1.2V VBATT-0.8V
Vcommon
VBATT
Figure 12. Common mode input range on PGA for VBATT above 4.2V
Revision 1.01
© Semtech
Max VCOMMON for gain 10 on first active PGA
5.0 V
5.5 V
4.0 V
3.0 V
2.0 V
fs 62.5
or 125kHz
fs 250 kHz
3.3 V
2.4V
1.0 V
fs 500 kHz
2.4 V
4.2 V
VBATT
5.5 V
Figure 13. Common mode input range on PGA vs VBATT
January 2011
Page 27
www.semtech.com/products/