www.ti.com

TYPICAL PERFORMANCE CURVES

ADC SECTION

86

88

90

92

94

−25

0

25

50

75

100

TA − Free-Air Temperature − °C

SNR

94

92

90

86

88

G002

Dynamic Range

0.002

0.004

0.006

0.008

0.010

−25

0

25

50

75

100

TA − Free-Air Temperature − °C

−0.5 dB

5

4

3

1

2

−60 dB

G001

86

88

90

92

94

2.1

2.4

2.7

3.0

3.3

3.6

3.9

VCC − Supply Voltage − V

94

92

90

86

88

G004

Dynamic Range

SNR

0.002

0.004

0.006

0.008

0.010

2.1

2.4

2.7

3.0

3.3

3.6

3.9

VCC − Supply Voltage − V

5

4

3

1

2

G003

−60 dB

−0.5 dB

PCM3002

PCM3003

SBAS079A – OCTOBER 2000 – REVISED OCTOBER 2004

All specifications at T

A = 25°C, VCC = VDD = 3 V, fS = 44.1 kHz, fSYSCLK = 384 fS, and fSIGNAL = 1 kHz, unless otherwise noted

THD+N

DYNAMIC RANGE and SNR

vs

vs

TEMPERATURE

TEMPERATURE

Figure 1.

Figure 2.

THD+N

DYNAMIC RANGE and SNR

vs

vs

SUPPLY VOLTAGE

SUPPLY VOLTAGE

Figure 3.

Figure 4.

NOTE: All characteristics at supply voltages from 2.4 V to 2.7 V are measured at SYSCLK = 256 fS.

7