TS4962_10 Datasheet, PDF (36/44 Pages) STMicroelectronics – 2.8 W filter-free mono class D audio power amplifier

Application information
TS4962
4.11.2
Example 2: one differential input plus one single-ended input
Figure 65. Typical application schematic with one differential input and one
single-ended input
Vcc
Standby
R2
E2+
C1
R1
E1+
E2-
R2
GND C1 R1
1 ^Stdby Internal
Bias
150k
4
-
In-
In+ ₊
3
PWM
150k
Oscillator
6
Cs
Vcc
1u
Out+
5
Output
H
Bridge
8
Out-
GND
SPEAKER
GND
7
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 = ₂----_π-----_×------_R---¹-₁----_×------_F----_C----_L- (F)
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Doc ID 10968 Rev 8