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30 k

Ω

1 k

Ω

VINL

VREF1

1

14

13

Delta-Sigma

Modulator

(+)

VREF

VREF2

+

1

µF

4.7

µF

+

4.7

µF

+

+

−

(−)

+

−

1 k

Ω

S0011-02

TYPICAL PERFORMANCE CURVES

ANALOG DYNAMIC PERFORMANCE

0.002

0.003

0.004

0.005

0.006

−25

0

25

50

75

100

TA − Free-Air Temperature − °C

−0.5 dB

3.0

2.8

2.6

2.2

2.4

−60 dB

G001

92

93

94

95

96

−25

0

25

50

75

100

TA − Free-Air Temperature − °C

SNR

96

95

94

92

93

G002

Dynamic Range

PCM1801

SBAS131C – OCTOBER 2000 – REVISED JULY 2007

ANALOG FRONT-END (Single Channel)

All specifications at TA = 25°C, VDD = VCC = 5 V, fS = 44.1 kHz, and SYSCLK = 384 fS, unless otherwise noted

TOTAL HARMONIC DISTORTION + NOISE

DYNAMIC RANGE AND SIGNAL-TO-NOISE RATIO

vs

vs

TEMPERATURE

TEMPERATURE

Figure 1.

Figure 2.

6

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