®

4

PCM1725

TYPICAL PERFORMANCE CURVES

At TA = +25°C, +VCC = +5V, fS = 44.1kHz, SYSCLK = 256fS, unless otherwise noted.

DYNAMIC PERFORMANCE

THD+N vs TEMPERATURE

Temperature (°C)

0.009

0.008

0.007

0.006

0.005

0.004

0.003

0.002

0.001

0

–25

0

25

50

75

85

100

3.2

3.1

3.0

2.9

2.8

2.7

2.6

2.5

2.4

2.3

–60dB

0dB

SNR, DYNAMIC RANGE vs TEMPERATURE

Temperature (°C)

99

98

97

96

95

94

93

99

98

97

96

95

94

93

–25

0

25

50

75

85

100

Dynamic Range

SNR

THD+N vs POWER SUPPLY

V

CC (V)

0.009

0.008

0.007

0.006

0.005

0.004

0.003

0.002

0.001

0

4.5

4.75

5.0

5.25

5.5

3.2

3.1

3.0

2.9

2.8

2.7

2.6

2.5

2.4

2.3

–60dB

0dB

THD+N vs SAMPLING RATE

Sampling Rate (kHz)

0.016

0.014

0.012

0.01

0.008

0.006

0.004

5.2

4.7

4.2

3.7

3.2

2.7

2.2

44.1

48

88.2

96

–60dB

0dB

SNR, DYNAMIC RANGE vs SAMPLING RATE

Sampling Rate (kHz)

98

97

96

95

94

93

92

91

90

89

88

98

97

96

95

94

93

92

91

90

89

88

44.1

48

88.2

96

Dynamic Range

SNR

SNR, DYNAMIC RANGE vs POWER SUPPLY

V

CC (V)

99

98

97

96

95

94

93

99

98

97

96

95

94

93

4.5

4.75

5.0

5.25

5.5

Dynamic Range

SNR