TS4657 Datasheet, PDF (15/26 Pages) STMicroelectronics – Single supply stereo digital audio line driver with 2.2 Vrms capless outputs

TS4657
Electrical characteristics
Figure 31. Signal to noise ratio vs. input level Figure 32. Signal to noise ratio vs. input level
V = 5V
CC
R = 10kΩ
L
FS = 32kHz
Input Data = 18bits
F = 1kHz
IN
LPF = 20kHz
T = 25°C
AMB
A-Weighted
Unweighted
V = 5V
CC
R = 10kΩ
L
FS = 48kHz
Input Data = 16bits
F = 1kHz
IN
LPF = 20kHz
T = 25°C
AMB
A-Weighted
Unweighted
Figure 33. Signal to noise ratio vs. input level Figure 34. Total harmonic distortion and noise
vs. frequency
V = 5V
CC
R = 10kΩ
L
FS = 48kHz
Input Data = 18bits
F = 1kHz
IN
LPF = 20kHz
T = 25°C
AMB
A-Weighted
Unweighted
V = 3V
CC
R = 10kΩ
L
FS = 32kHz
Input Data = 16bits
V = -6dBFS
IN
Unweighted
LPF = 20kHz
T = 25°C
AMB
20
20k
Figure 35. Total harmonic distortion and noise Figure 36. Total harmonic distortion and noise
vs. frequency
vs. frequency
V = 3V
CC
R = 10kΩ
L
FS = 32kHz
Input Data = 18bits
V = -6dBFS
IN
Unweighted
LPF = 20kHz
T = 25°C
AMB
V = 3V
CC
R = 10kΩ
L
FS = 48kHz
Input Data = 16bits
V = -6dBFS
IN
Unweighted
LPF = 20kHz
T = 25°C
AMB
20
20k
20
20k
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