TS4962M_07 Datasheet, PDF (34/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier

Application information
TS4962M
Example 2: One differential input plus one single-ended input
Figure 65. Typical application schematic with one differential input plus one single-
ended input
Vcc
E2+
C1
E1+
E2-
Standby
C2 ^Stdby Internal
R2
Bias
150k
R1
C1 _-
In-
In+ ₊
A1
R2
150k
PWM
B1
B2
Cs
Vcc
1u
Out+ GND
C3
Output
H
Bridge
A3
Out-
SPEAKER
GND C1 R1
Oscillator
GND
TS4962
A2
B3
GND
With (R_i in kΩ):
A_V1
=
O_-----u_----t_--⁺_{----–-----}O_-----u_----t_-^-
E₁₊
=
-³---⁰---⁰--
R₁
A_V2
=
-^O----^u----^t--⁺----–-----^O-----^u----^t-^-
E₂₊ – E_2-
=
3_----0_---0_--
R₂
C₁
=
------------------¹--------------------
2π × R₁ × F_CL
(F)
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