TS4962M
Electrical characteristic curves
5
Electrical characteristic curves
The graphs included in this section use the following abbreviations:
• RL + 15 μH or 30 μH = pure resistor + very low series resistance inductor
• Filter = LC output filter (1 µF+30 µH for 4 Ω and 0.5 µF+60 µH for 8 Ω)
• All measurements made with Cs1=1 µF and Cs2=100 nF except for PSRR where Cs1 is
removed.
Figure 4. Test diagram for measurements
Vcc
1uF 100nF
Cs1 +
Cs2
Cin
GND GND
Rin
In+
150k
Out+
TS4962
Cin
Rin
In-
Out-
150k
GND
15uH or 30uH
or
LC Filter
4 or 8 Ohms
RL
5th order
50kHz low pass
filter
Audio Measurement
Bandwidth < 30kHz
Figure 5. Test diagram for PSRR measurements
100nF
Cs2 20Hz to 20kHz
Vcc
4.7uF Rin
150k
4.7uF Rin
150k
GND
In+
Out+
TS4962
In-
Out-
GND
15uH or 30uH
or
LC Filter
4 or 8 Ohms
RL
5th order
50kHz low pass
filter
GND
5th order
50kHz low pass
filter
GND
Reference
RMS Selective Measurement
Bandwidth=1% of Fmeas
DocID11703 Rev 6
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