TS4657 Datasheet, PDF (9/26 Pages) STMicroelectronics – Single supply stereo digital audio line driver with 2.2 Vrms capless outputs

TS4657
Electrical characteristics
THD+N: total harmonic distortion and noise-to signal-ratio is expressed in dB. It is given by:
k
∑^VHi2
+
V_no
is
2
e
THD + N_dB
=
10log
-ⁱ--⁼----²-----------------------------------------
V_ou
trm
2
s
where VH_i is the rms value of the harmonic components.
SINAD: signal and noise distortion is expressed in dB. The equation is given by:
SINAD_dB = 10log ----_k---------^V-----^o--^u---^t--^r--^m----^s---²--------------
∑^VHi2
+
V_n
o
i
2
se
i=2
DR: dynamic range is expressed in dB, with the following equation:
k
∑^VHi2
DR_dB
=
10log
-ⁱ--⁼----¹---------------
V_no
i
2
se
3.4
Digital filter characteristics
Table 8.
Symbol
V_CC = 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
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