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| SAA7108AE Datasheet, PDF (196/208 Pages) NXP Semiconductors – HD-CODEC | |||
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NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
SAA7108AE
SAA7109AE
A5
XTALIe
A6
XTALOe
27.00 MHz
4.7 µH
1 nF
18
18
pF
pF
a. With 3rd harmonic quartz.
Crystal load = 8 pF.
SAA7108AE
SAA7109AE
A5
XTALIe
27.00 MHz
A6
XTALOe
39
39
pF
pF
mbl792
b. With fundamental quartz.
Crystal load = 20 pF.
SAA7108AE
SAA7109AE
A5
XTALIe
A6
XTALOe
27.00 MHz
n.c.
clock
c. With direct clock.
Fig 73. Oscillator application for encoder part
SAA7108AE
SAA7109AE
A5
XTALIe
A6
XTALOe
Rs
mbl793
d. With fundamental quartz and
restricted drive level. When Pdrive of
the internal oscillator is too high, a
resistance Rs can be placed in series
with the oscillator output XTALOe.
Note: The decreased crystal
amplitude results in a lower drive level
but on the other hand the jitter
performance will decrease.
17.1 Reconstruction ï¬lter
Figure 71 shows a possible reconstruction ï¬lter for the digital-to-analog converters. Due to
its cut-off frequency of â¼6 MHz, it is not suitable for HDTV applications.
17.2 Analog output voltages
The analog output voltages are dependent on the total load (typical value 37.5 â¦), the
digital gain parameters and the I2C-bus settings of the DAC reference currents (analog
settings).
SAA7108AE_SAA7109AE_3
Product data sheet
Rev. 03 â 6 February 2007
© NXP B.V. 2007. All rights reserved.
196 of 208
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