120

115

110

105

100

95

90

85

80

75

70

65

-120

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

1

10

100

200

Frequency(kHz)

THD

(1)

SFDR

NOTE:(1)Firstnineharmonicsoftheinputfrequency.

15.0

14.5

14.0

13.5

13.0

12.5

12.0

1

10

100

200

Frequency(kHz)

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

-0.4

-0.5

-50

-25

0

25

50

75

100

Temperature( C)

°

f

IN =1.98364kHz, -0.2dB

100

90

80

70

60

50

40

30

20

10

f

=1.98364kHz

IN

-80

-70

-60

-50

-40

-30

-20

-10

0

InputLevel(dB)

FFFF

0000

0002

FFFE

34

42

1673

4835

1608

0001

Code(Hex)

100

10

1

0.1

2.5

1

2

ReferenceVoltage(V)

V

=5V

DD

ADS8317

SBAS356D – JUNE 2007 – REVISED OCTOBER 2009 .................................................................................................................................................... www.ti.com

TYPICAL CHARACTERISTICS: VDD = +5V (continued)

At TA = 25°C, VREF = 2.5V, fSAMPLE = 250kHz, fCLK = 24 × fSAMPLE, unless otherwise noted.

SPURIOUS-FREE DYNAMIC RANGE AND

TOTAL HARMONIC DISTORTION vs INPUT FREQUENCY

EFFECTIVE NUMBER OF BITS vs INPUT FREQUENCY

Figure 14.

Figure 15.

CHANGE IN SIGNAL-TO-NOISE + DISTORTION

CHANGE IN SIGNAL-TO-NOISE + DISTORTION

vs TEMPERATURE

vs INPUT LEVEL

Figure 16.

Figure 17.

PEAK-TO-PEAK NOISE FOR A DC INPUT

OUTPUT CODE HISTOGRAM FOR A DC INPUT

vs REFERENCE VOLTAGE

(8192 Conversions)

Figure 18.

Figure 19.

12

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