ADS1202

8

SBAS275B

www.ti.com

TYPICAL CHARACTERISTICS (Cont.)

VDD = 5V, +In = –250mV to 250mV, –In = 0V, and MCLK = 10MHz, unless otherwise noted.

SPURIOUS-FREE DYNAMIC RANGE

AND TOTAL HARMONIC DISTORTION

vs INPUT FREQUENCY (Mode 0)

110

Input Frequency (kHz)

SFDR

THD

110

100

90

80

70

60

50

–110

–100

–90

–80

–70

–60

–50

OSR = 256

Sinc3 Filter

SPURIOUS-FREE DYNAMIC RANGE

AND TOTAL HARMONIC DISTORTION

vs INPUT FREQUENCY (Mode 3)

110

Input Frequency (kHz)

SFDR

THD

110

100

90

80

70

60

50

–110

–100

–90

–80

–70

–60

–50

OSR = 256

Sinc3 Filter

8

02

6

410

14

16

18

12

20

Frequency (kHz)

0

–20

–40

–60

–80

–100

–120

–140

FREQUENCY SPECTRUM

(4096 Point FFT, f

IN = 1kHz, 0.5Vp-p)

Mode 0

FREQUENCY SPECTRUM

(4096 Point FFT, f

IN = 5kHz, 0.5Vp-p)

8

02

6

410

14

16

18

12

20

Frequency (kHz)

0

–20

–40

–60

–80

–100

–120

–140

Mode 0

CLOCK FREQUENCY vs TEMPERATURE

–40

–20

0

20

40

60

80

100

120

Temperature (

°C)

10.5

10.2

9.9

9.6

9.3

9.0

COMMON-MODE REJECTION RATIO

vs FREQUENCY

110

100

Frequency of Power Supply (kHz)

100

95

90

85

80

75

70

65

60

55

50