PCM1798_15 Datasheet, PDF (11/30 Pages) Texas Instruments – PCM1798 24-Bit, 192-kHz Sampling, Advanced Segment,Audio Stereo Digital-to-Analog Converter

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6.7.1 Analog Dynamic Performance
PCM1798
SLES102B – DECEMBER 2003 – REVISED MARCH 2015
0.01
0.001
fS = 192 kHz
fS = 48 kHz
fS = 96 kHz
0.0001
4.50
4.75
5.00
5.25
5.50
VCC – Supply Voltage – V
NOTE: PCM mode, T_A = 25°C, V_DD = 3.3 V, measurement circuit
is Figure 32.
126
124
fS = 96 kHz
122
fS = 48 kHz
fS = 192 kHz
120
118
116
4.50
4.75
5.00
5.25
5.50
VCC – Supply Voltage – V
NOTE: PCM mode, T_A = 25°C, V_DD = 3.3 V, measurement circuit
is Figure 32.
Figure 15. Total Harmonic Distortion + Noise
vs Supply Voltage
126
124
fS = 96 kHz
122
fS = 48 kHz
fS = 192 kHz
120
118
116
4.50
4.75
5.00
5.25
5.50
VCC – Supply Voltage – V
NOTE: PCM mode, T_A = 25°C, V_DD = 3.3 V, measurement circuit
is Figure 32.
Figure 16. Dynamic Range vs Supply Voltage
122
120
fS = 96 kHz
118
fS = 48 kHz
fS = 192 kHz
116
114
112
4.50
4.75
5.00
5.25
5.50
VCC – Supply Voltage – V
NOTE: PCM mode, T_A = 25°C, V_DD = 3.3 V, measurement circuit
is Figure 32.
Figure 17. Signal-to-Noise Ratio vs Supply Voltage
0.01
0.001
fS = 96 kHz
fS = 192 kHz
fS = 48 kHz
0.0001
−50 −25
0
25
50
75 100
TA – Free-Air Temperature – °C
NOTE: PCM mode, V_DD = 3.3 V, V_CC = 5 V, measurement circuit
is Figure 32.
Figure 18. Channel Separation vs Supply Voltage
126
124
fS = 96 kHz
122
fS = 48 kHz
fS = 192 kHz
120
118
116
−50 −25
0
25
50
75 100
TA – Free-Air Temperature – °C
NOTE: PCM mode, V_DD = 3.3 V, V_CC = 5 V, measurement circuit
is Figure 32.
Figure 19. Total Harmonic Distortion + Noise
vs Free-air Temperature
Figure 20. Dynamic Range vs Free-air Temperature
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