ba3835s ROHM Co. Ltd., ba3835s Datasheet - Page 9
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ba3835s
Manufacturer Part Number
ba3835s
Description
Band-pass Filter For Spectrum Analyzer
Manufacturer
ROHM Co. Ltd.
Datasheet
1.BA3835S.pdf
(10 pages)
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Audio ICs
BA3835S / BA3835F
(6)
Output offset voltage
The relationship between the output offset voltage and
the output selection cycle (cycle time) for this IC is shown
in Fig.5. The maximum output offset voltage of 150mV
that is given in the electrical characteristics table is under
the condition that Ts = 200ms. When Ts is greater than
50ms, the graph of the output offset voltage is a straight
line at 150mV. When Ts is below 50ms, due to transient
characteristics of the peak hold circuit, the graph is a line
sloping downwards to the right. In other words, the short-
er the cycle, the larger the output offset voltage.
Furthermore, the output offset voltage may shift due to
soldering or other temperature stresses from the sur-
roundings. Therefore, when setting the spectral analyzer
light level, take into consideration the points given above
and make sure that it does not light by mistake during
quiescent periods. Use the chart below as a guide for
this, and, if necessary, leave even a larger margin.
FElectrical characteristics curves
609