SX8724C Datasheet, PDF (26/67 Pages) Semtech Corporation – ZoomingADC for sensing data acquisition

SX8724C
ZoomingADC for sensing data acquisition
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
obtained only below these limits, as depicted in Figure 11 if the supply voltage (VBATT) is below 4.2V and as depicted
in Figure 12 if the supply voltage (VBATT) is above 4.2V.
Max gain on first active PGA
10.0
fs 62.5 or 125kHz
5.0
fs 250kHz
2.5
fs 500kHz
VBATT-1.8V VBATT-1.2V VBATT-0.8V
Vcommon
VBATT
Figure 11. Common mode input range on PGA for VBATT below 4.2V
Revision 1.01
© Semtech
January 2011
Page 26
www.semtech.com/products/