TS4962EKIJT STMICROELECTRONICS [STMicroelectronics], TS4962EKIJT Datasheet - Page 10

• Manufacturer Part Number: TS4962EKIJT
• Description: 3W Filter-free Class D Audio Power Amplifier
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

TS4962
Note:
Figure 2.
Figure 3.
10/22
In the graphs that follow, the following abbreviations are used:
RL + 15 µ H or 30 µ H = pure resistor+ very low series resistance inductor
Filter = LC output filter (1µF+30µH for 4 Ω and 0.5µF+60µH for 8 Ω )
All measurements done with Cs1=1µF and Cs2=100nF except for PSRR where Cs1 is removed
Test diagram for measurements
Test diagram for PSRR measurements
GND
Cin
Cin
4.7uF
4.7uF
50kHz low pass
5th order
Rin
150k
Rin
150k
Rin
150k
Rin
150k
filter
Cs1
GND
1uF
+
100nF
GND
100nF
GND
In+
In-
In+
In-
Cs2
Cs2
TS4962
GND
TS4962
GND
Vcc
20Hz to 20kHz
Reference
Out-
Out-
Out+
Out+
GND
RMS Selective Measurement
Bandwidth=1% of Fmeas
Vcc
Audio Measurement
Bandwidth < 30kHz
15uH or 30uH
15uH or 30uH
LC Filter
LC Filter
or
or
4 or 8 Ohms
4 or 8 Ohms
RL
RL
Electrical Characteristics
50kHz low pass
50kHz low pass
5th order
5th order
filter
filter