TS4657 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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TS4657

Single supply stereo digital audio line driver with 2.2 Vrms capless outputs

STMicroelectronics 

TS4657

Electrical characteristics

THD+N: total harmonic distortion and noise-to signal-ratio is expressed in dB. It is given by:

k

∑VHi2

+

Vno

is

2

e

THD + NdB

=

10log

-i--=----2-----------------------------------------

Vou

trm

2

s

where VHi is the rms value of the harmonic components.

SINAD: signal and noise distortion is expressed in dB. The equation is given by:

SINADdB = 10log ----k---------V-----o--u---t--r--m----s---2--------------

∑VHi2

+

Vn

o

i

2

se

i=2

DR: dynamic range is expressed in dB, with the following equation:

k

∑VHi2

DRdB

=

10log

-i--=----1---------------

Vno

i

2

se

3.4

Digital filter characteristics

Table 8.

Symbol

VCC = 3.3 V T= 25° C (unless otherwise specified)

Parameter

Min. Typ. Max. Unit

-

Passband edge (-3 dB)

-

Passband ripple f < 0.45 Fs

-

Stopband attenuation f > 0.55 Fs

0.48Fs

+/- 0.1 dB

-50

dB

9/26

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