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TLC320AD91 Datasheet, PDF (32/43 Pages) Texas Instruments – Stereo Audio Codec
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3.3 Electrical Characteristics
3.3.1
Analog-to-Digital Converter, TA = 25°C,
AVDD1 = AVDD2 = DVDD1 = DVDD2 = 5 V ± 0.5 V, fs = 48 kHz, Gain Settings at 0 dB,
Input = 1 Vrms Sine Wave at 1 kHz
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
Signal-to-noise ratio, A-weighted 1
Full-scale input voltage
Total harmonic distortion
Input = 0.9 Vrms
0 dB, Vref = 2.5 V
–3-dB input
75
80
1
0.02
dB
Vrms
%
Frequency response
20
19 200 Hz
Transition band
19 200
28 800 Hz
Stop band
28 800
Hz
Stop band rejection
–74
dB
Power supply rejection ratio
20 Hz – 20 kHz
46
dB
3.3.2 Digital-to-Analog Converter, TA = 25°C,
AVDD1 = AVDD2 = DVDD1 = DVDD2 = 5 V ± 0.5 V, fs = 48 kHz, Gain Settings at 0 dB
PARAMETER
Signal-to-noise ratio, A-weighted 1
Full-scale output voltage
Total harmonic distortion
TEST CONDITIONS
Input = 0.9 Vrms
0 dB, Vref = 2.5 V
–6-dB input
MIN TYP MAX UNIT
85
90
dB
1
Vrms
0.01
%
Frequency response
20
19 200 Hz
Transition band
19 200
28 800 Hz
Stop band
28 800
Hz
Out-of-band rejection
–40
dB
Spurious tone reduction
–100
dB
Power supply rejection ratio
20 Hz – 20 kHz
46
dB
3–2
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