TS2007FC データシートの表示（PDF） - STMicroelectronics

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TS2007FC

3 W filter-free class D audio power amplifier with 6 or 12 dB fixed gain select

STMicroelectronics 

TS2007FC

2

Application information

Application information

Table 3. External component description

Components

Functional description

Cs

Supply capacitor that provides power supply filtering.

Input coupling capacitors (optional) that block the DC voltage at the amplifier input

Cin

terminal. These capacitors also form a high pass filter with

Zin (Fc = 1 / (2 x π x Zin x Cin)).

See

Table 4. Pin description

Pin name

Pin description

IN+

VCC

IN-

GS

STDBY

GND

OUT+

OUT-

Positive differential input

Power supply

Negative differential input

Gain select input

Standby pin (active low)

Ground

Positive differential output

Negative differential output

Figure 1. Typical application

In-

Differential

Input

In+

Gain select control

Input capacitors

are optional

GS

Cin

C1 IN-

-

Gain

A1

Select +

IN +

Cin

Standby

Control

Standby

VCC

Cs

1uF

Vcc

PWM

TS2007

OUT+ C3

H

Bridge

A3

OUT-

Oscillator

Gnd

Prot ection

Circuit

Speaker

Standby control

Note:

See Section 4.10: Output filter considerations on page 23.

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