Datasheet

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y2y2
FIR1
sin
NCO
cos
IOUTA1
IOUTA2
16-Bit
FIR4
IOUTB1
IOUTB2
FIR2
x
sin(x)
DA[15:0]
DB[15:0]
DAC
16-Bit
DAC
x
sin(x)
A Gain
B Gain
A
Offset
B
Offset
B0161-01
Input Formatter
Fine Mixer
Quadrature Mod
Correction (QMC)
y2y2
FIR1 FIR2
Course Mixer:
fs/2 or fs/4
y2
FIR1
sin
NCO
cos
IOUTA1
IOUTA2
16-Bit
FIR4
IOUTB1
IOUTB2
x
sin(x)
DA[15:0]
DB[15:0]
DAC
16-Bit
DAC
x
sin(x)
A Gain
B Gain
A
Offset
B
Offset
B0162-01
Input Formatter
Fine Mixer
Quadrature Mod
Correction (QMC)
y2
y2
FIR3
Course Mixer:
fs/2 or fs/4
y2
DAC5687
SLWS164E – FEBRUARY 2005 – REVISED SEPTEMBER 2006
A. FMIX or QMC block cannot be enabled with CMIX block.
Figure 30. Block Diagram for X4 Mode
(A)
Figure 31. Block Diagram for X4L Mode
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