71M6533/71M6534 Data Sheet
FDS_6533_6534_004
multiplexer
VREF
de-multiplexer
IA_RAW
VA_RAW
IB_RAW
VB_RAW
IC_RAW
VC_RAW
IA
VA
IB
VB
Deci-
mator
ΔΣ
mod
IC
VC
FS=
2520Hz
FS=
2520Hz
FCLK
4.9152MHz
=
Figure 42: CE Data Flow: Multiplexer and ADC
IA
IA_RAW
OFFSET
PHASE
W0
VAR0
V0
LPF
x x
x
NULL
COMP
F0
PHADJ_A
LPF
CAL_IA
x
VA_RAW
OFFSET
x x
NULL
90°
F0
CAL_VA
...other phases
x
GAIN_ADJ
F0
Generator
F0
Figure 43: CE Data Flow: Scaling, Gain Control, Intermediate Variables
100
© 2007-2009 TERIDIAN Semiconductor Corporation
v1.1