ClockFrequency, f

(MHz)

CLK

0

5

10

15

20

V

=

f

=

IN

IN

-6dBFS,

10kHz

R

=

BIAS

267kW

R

=

BIAS

210kW

R

=

BIAS

60kW

-80

-90

-100

-110

-120

R

=

BIAS

140kW

ClockFrequency, f

(MHz)

CLK

R

=

BIAS

60kW

R

=

BIAS

210kW

R

=

BIAS

267kW

V

= 6dBFS,f

IN

IN

-

=10kHz

0

5

10

15

20

100

95

90

85

80

75

70

R

=

BIAS

140kW

1000

100

10

1

0.1

-3

-2

-1

3

0

1

2

InputDCVoltage(V)

ClockFrequency, f

(MHz)

CLK

R

=

BIAS

60kW

R

=

BIAS

140kW

R

=

BIAS

267kW

V

=

f

=

IN

IN

6dBFS,

-

10kHz

0

5

10

15

20

120

110

100

90

80

R

=

BIAS

210kW

1500

1400

1300

1200

1100

1000

900

800

700

600

500

400

300

200

100

0

-4

-3

-2

-1

0

1

2

3

4

OutputCode(LSB)

V

=0V

IN

3

2

1

0

-1

-2

-3

-4

0

100

200

300

400

500

600

700

800

900 1000

TimeInterval(s)

ADS1601

SBAS322D

– DECEMBER 2004 – REVISED OCTOBER 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All specifications at TA = +25°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 20MHz, VREF = +3V, VCM = +2.7V, and

RBIAS = 60kΩ, unless otherwise noted.

SIGNAL-TO-NOISE RATIO

TOTAL HARMONIC DISTORTION

vs CLOCK FREQUENCY

vs CLOCK FREQUENCY

Figure 21.

Figure 22.

SPURIOUS-FREE DYNAMIC RANGE

NOISE

vs CLOCK FREQUENCY

vs DC INPUT VOLTAGE

Figure 23.

Figure 24.

NOISE HISTOGRAM

OFFSET DRIFT OVER TIME

Figure 25.

Figure 26.

12

Copyright

© 2004–2011, Texas Instruments Incorporated