4–4

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

TLC320AD50I

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

VI = 0 dB

85

89

83

87

Signal to noise ratio (SNR)

VI = – 9 dB

76

80

74

78

dB

Signal-to-noise ratio (SNR)

VI = – 40 dB

45

49

43

47

dB

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 k

Ω (see Note 7)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI = 0 dB

89

Signal to noise ratio (SNR)

VI = – 9 dB

80

dB

Signal-to-noise ratio (SNR)

VI = – 40 dB

50

dB

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

TLC320AD50I

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

VI = – 3 dB

76

80

74

78

Signal to total harmonic distortion (THD)

VI = – 9 dB

84

90

82

88

dB

Signal-to-total harmonic distortion (THD)

VI = – 40 dB

64

72

62

70

dB

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 k

Ω (see Note 7)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI = – 3 dB

82

Signal to total harmonic distortion (THD)

VI = – 9 dB

91

dB

Signal-to-total harmonic distortion (THD)

VI = – 40 dB

77

dB

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

TLC320AD50I

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

VI = – 3 dB

75

79

72

76

Signal to total harmonic distortion + noise (THD + N)

VI = – 9 dB

75

79

72

76

dB

Signal-to-total harmonic distortion + noise (THD + N)

VI = – 40 dB

45

49

42

46

dB

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.