TS4601 datasheet(5/28 Pages) STMICROELECTRONICS

5 / 28 page

TS4601

Typical application schematics

5/28

INR+

Right audio channel positive input signal.

SDA

I²C signal data. Up to VCC tolerant input.

SCL

I²C clock signal. Up to VCC tolerant input.

Table 4.

Component description for the TS4601

Component

Value

Description

1µF

Decoupling capacitors for VCC and PVCC. Two 1µF capacitors are enough for

proper decoupling of TS4601. X5R dielectric and 10V rating voltage is

recommended to minimize

ΔC/ΔV when VCC=5V.

Must be placed as close as possible to the TS4601 to minimize parasitic

inductance and resistance.

C12

1µF

Capacitor for internal negative power supply operation. X5R dielectric and 10V

rating voltage is recommended to minimize

ΔC/ΔV when VCC=5V.

Must be placed as close as possible to the TS4601 to minimize parasitic

inductance and resistance.

CSS

2.2µF

Filtering capacitor for internal negative power supply. X5R dielectric and 10V

rating voltage is recommended to minimize

ΔC/ΔV when VCC = 5V.

Cin

Input coupling capacitor that forms with Zin, a first order high pass filter with a

-3dB cut-off frequency FC. Zin is 12kΩ typical and independent of the gain

setting.

For example FC = 13Hz, Cin = 1µF and for FC = 6Hz, Cin = 2.2µF

Cout

0.8nF to 100nF

Output capacitor of 0.8nF minimum to 100nF maximum. This capacitor is

mandatory for operation of the TS4601.

Rout

Ω min.

Output resistor in series with the TS4601 output. This 12

Ωminimum resistor is

mandatory for operation of the TS4601.

Table 3.

Pin description for the TS4601 (continued)

Pin number

Pin name

Pin definition

Cin

πZinFc

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