0

20

40

60

80

100

120

140

160

-

-

-

-

-

-

-

-

0

200k 400k 600k 800k 1M 1.2M

2M

Frequency(Hz)

f

=100kHz, 6dBFS

-

IN

THD= 103.2dBc

65,536Points

-

1.4M 1.6M 1.8M

0

20

40

60

80

100

120

140

160

-

-

-

-

-

-

-

-

0

200k 400k 600k 800k 1M 1.2M

2M

Frequency(Hz)

f

=1600kHz, 0.5dBFS

-

IN

THD= 122.9dBc

65,536Points

-

1.4M 1.6M 1.8M

0

20

40

60

80

100

120

140

160

-

-

-

-

-

-

-

-

0

200k 400k 600k 800k 1M 1.2M

2M

Frequency(Hz)

f

=1600kHz, 6dBFS

-

IN

THD= 125dBc

65,536Points

-

1.4M 1.6M 1.8M

100

90

80

70

60

50

40

30

20

10

-80

-70

-60

-50

-40

-30

-20

0

InputSignalAmplitude(dBFS)

f

=10kHz

IN

-10

f

=2MSPS,WB

DATA

f

=4MSPS,WB

DATA

120

110

100

90

80

70

60

50

40

-80

-70

-60

-50

-40

-30

-20

0

InputSignalAmplitude(dBFS)

f

=10kHz

IN

-10

f

=2MSPS,WB

DATA

f

=4MSPS,WB

DATA

95

94

93

92

91

90

89

88

87

86

85

1.5

2.0

2.5

3.0

3.5

InputCommon-ModeVoltage(V)

f

=10kHz

f

=4MSPS

WBFilter

IN

DATA

AIN= 0.5dBFS

-

AIN= 6dBFS

-

ADS1675

SBAS416D – DECEMBER 2008 – REVISED AUGUST 2010

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All specifications are at TA = –40°C to +85°C, AVDD = 5V, DVDD = 3V, fCLK = 32MHz, VREF = +3V, and RBIAS = 7.5kΩ, unless

otherwise noted.

SPECTRAL RESPONSE

SPECTRAL RESPONSE

(DRATE = 101, WB Filter)

(DRATE = 101, WB Filter)

Figure 18.

Figure 19.

SPECTRAL RESPONSE

SIGNAL-TO-NOISE RATIO

(DRATE = 101, WB Filter)

vs INPUT SIGNAL AMPLITUDE

Figure 20.

Figure 21.

|TOTAL HARMONIC DISTORTION|

SIGNAL-TO-NOISE RATIO

vs INPUT SIGNAL AMPLITUDE

vs INPUT COMMON-MODE VOLTAGE

Figure 22.

Figure 23.

12

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