ADS1253

SBAS199B

4

www.ti.com

RMS NOISE vs TEMPERATURE

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

–40

–20

0

20

40

60

80

100

Temperature (

°C)

20.0

19.8

19.6

19.4

19.2

19.0

18.8

18.6

18.4

18.2

18.0

EFFECTIVE RESOLUTION vs TEMPERATURE

Temperature (

°C)

–40

–20

0

20

40

60

80

100

18

16

14

12

10

8

6

4

2

0

V

REF Voltage (V)

0.5

0

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

RMS NOISE vs V

REF VOLTAGE

14

12

10

8

6

4

2

0

V

REF Voltage (V)

0

1.0

1.5

0.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

RMS NOISE vs V

REF VOLTAGE

2.0

1.8

1.6

1.4

1.2

1.0

100

1k

10k

100k

RMS NOISE vs DATA OUTPUT RATE

Data Output Rate (Hz)

EFFECTIVE RESOLUTION vs DATA OUTPUT RATE

Data Output Rate (Hz)

1k

100

10k

100k

20.0

19.8

19.6

19.4

19.2

19.0

18.8

18.6

18.4

18.2

18.0

TYPICAL CHARACTERISTICS

At TA = +25°C, VDD = +5V, CLK = 8MHz, and VREF = 4.096V, unless otherwise specified.