SI824X Datasheet, PDF (7/30 Pages) Silicon Laboratories – CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR

2.1. Test Circuits
Figures 2 and 3 depict sink current and source current test circuits.
INPUT
VDDI
VDD
IN _Si824x OUT
VSS
VDDA = VDDB = 15 V
SCHOTTKY
1 µF
Si824x
10
100 µF
8 V ^+_
Measure
50 ns
VDDI
200 ns
GND
INPUT WAVEFORM
1 µF
CER
10 µF
EL
RSNS
0.1
Figure 2. IOL Sink Current Test Circuit
INPUT
VDDI
VDD
IN _Si824x OUT
VSS
VDDA = VDDB = 15 V
SCHOTTKY
1 µF
10
100 µF ^{5.5 V}
+
_
Measure
50 ns
VDDI
200 ns
GND
INPUT WAVEFORM
1 µF
CER
10 µF
EL
RSNS
0.1
Figure 3. IOH Source Current Test Circuit
Rev. 1.0
7