TS488(2019) Просмотр технического описания (PDF) - STMicroelectronics

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TS488
(Rev.:2019)

Pop-free 120 mW stereo headphone amplifier

STMicroelectronics 

TS488

Typical application schematic

1

Typical application schematic

Figure 1. Typical application for the TS488

TS488=stdby

Table 1. Application component information

Component

Rin1,2

Cin1,2

Rfeed1,2

Cs

Cb

Cout1,2

Functional description

Inverting input resistor that sets the closed loop gain in

conjunction with Rfeed.

This resistor also forms a high pass filter with Cin (Fc = 1 / (2 x

Pi x Rin x Cin))

Input coupling capacitor that blocks the DC voltage at the

amplifier input terminal

Feedback resistor that sets the closed loop gain in

conjunction with Rin. AV= closed loop gain= -Rfeed/Rin

Supply output capacitor that provides power supply filtering

Bypass capacitor that provides half supply filtering

Output coupling capacitor that blocks the DC voltage at the

load input terminal.

This capacitor also forms a high pass with RL (Fc = 1 / (2 x Pi

x RL x Cout))

DS4579 - Rev 7

page 2/32

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