TLC320AD50C-I_15 Datasheet, PDF (37/57 Pages) Texas Instruments – SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION

4.3.7 DAC Dynamic Performance
4.3.7.1 DAC Signal-to-Noise When Load is 600 Ω (see Note 7 and Figure 5-13)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
MIN TYP MAX
TLC320AD50I
UNIT
MIN TYP MAX
VI = 0 dB
85
89
83
87
Signal-to-noise ratio (SNR)
VI = – 9 dB
VI = – 40 dB
76
80
45
49
74
78
dB
43
47
VI = – 65 dB
20
24
18
22
NOTE 7: The test condition is the digital equivalent of a 1020-Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
4.3.7.2 DAC Signal-to-Noise When Load is 10 kΩ (see Note 7)
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
VI = 0 dB
89
Signal-to-noise ratio (SNR)
VI = – 9 dB
VI = – 40 dB
80
dB
50
VI = – 65 dB
25
NOTE 7: The test condition is the digital equivalent of a 1020-Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
4.3.7.3 DAC Signal-to-Distortion When Load is 600 Ω (see Note 7, Figure 5-14)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
MIN TYP MAX
TLC320AD50I
UNIT
MIN TYP MAX
VI = – 3 dB
76
80
74
78
Signal-to-total harmonic distortion (THD)
VI = – 9 dB
VI = – 40 dB
84
90
64
72
82
88
dB
62
70
VI = – 65 dB
42
48
40
46
NOTE 7: The test condition is the digital equivalent of a 1020-Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
4.3.7.4 DAC Signal-to-Distortion When Load is 10 kΩ (see Note 7)
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
VI = – 3 dB
82
Signal-to-total harmonic distortion (THD)
VI = – 9 dB
VI = – 40 dB
91
dB
77
VI = – 65 dB
49
NOTE 7: The test condition is the digital equivalent of a 1020-Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
4.3.7.5 DAC Signal-to-Distortion+Noise When Load is 600 Ω (see Note 7, Figure 5-15)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
MIN TYP MAX
TLC320AD50I
UNIT
MIN TYP MAX
VI = – 3 dB
75
79
72
76
Signal-to-total harmonic distortion + noise (THD + N)
VI = – 9 dB
VI = – 40 dB
75
79
45
49
72
76
dB
42
46
VI = – 65 dB
20
24
17
21
NOTE 7: The test condition is the digital equivalent of a 1020-Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
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