SX8725C View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SX8725C' PDF : 68 Pages View PDF
ADVANCED COMMUNICATIONS & SENSING
SX8725C
ZoomingADC for sensing data acquisition
DATASHEET
Table 18. Normalized conversion time (Tconv x fs) vs. SetOsr and SetNelconv settings1
SetOsr bits
OSR
‘00‘
1
‘100‘
130
‘101‘
258
‘110‘
514
‘111‘
1026
1. Normalized to sampling period 1/fs
SetNelconv control bits
NELCONV
‘01‘
‘10‘
2
4
259
517
515
1029
1027
2053
2051
4101
‘11‘
8
1033
2057
4105
8201
16.0
14.0
12.0
10.0
8.0
6.0 00
4.0
10
11
10
01
100
1000
Normalized Conversion Time – Tconv / fs [-]
10000
Figure 16. Resolution vs. normalized1 conversion time for different SetNelconv[1:0]
1.
Normalized Conversion Time - TCONV/fs
7.7.7 Continuous-Time vs. On-Request Conversion
The ADC can be operated in two distinct modes: "continuous-time" and "on-request" modes (selected using the bit
Continuous).
Revision 1.01
© Semtech
January 2011
Page 32
www.semtech.com/products/
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