TS4962MEIJT(2005) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS4962MEIJT
(Rev.:2005)

3W Filter-free Class D Audio Power Amplifier

STMicroelectronics 

Application Information

5.11 Different examples with summed inputs

Example 1: Dual differential inputs

Vcc

Standby

B1

B2

Cs

Vcc

1u

C2 Stdby Internal

R2

Bias

E2+

150k

Out+ GND

C3

R1

E1+

C1 -

In-

E1-

In+ +

A1

R1

E2-

150k

PWM

Output

H

Bridge

A3

Out-

SPEAKER

R2

Oscillator

GND

TS4962

A2

B3

GND

With (Ri in kΩ):

AV1

=

-O-----u---t--+----–-----O-----u----t--

E1+ – E1-

=

3----0---0--

R1

AV2

=

-O-----u---t--+----–-----O-----u----t--

E2+ – E2-

=

3----0---0--

R2

0.5V ≤

V-----C---C-----×-----R-----1----×-----R----2----+-----3---0----0-----×----(---V----I--C----1----×----R-----2----+-----V----I--C----2----×----R-----1---)

300 × (R1 + R2) + 2 × R1 × R2

≤

VCC – 0.8V

VIC1

=

E-----1---+----+-----E----1----

2

and

VIC2

=

E-----2---+----+-----E----2----

2

TS4962M

26/32

Share Link: