−4

−3

−2

−1

0

1

2

3

4

−60

−40

−20

0

20

40

60

80

100

120

140

Temperature (°C)

VDD = 2V

VDD = 3.3V

VDD = 5V

G028

4

3

2

1

0

1

2

3

4

-

-

-

-

-2.048

-1.024

0

1.024

2.048

InputSignal(V)

Includesnoise,offset,andgainerror.

FS= 2.048V

DataRate=860SPS

DifferentialInputs

±

0

2

4

6

8

10

−0.5 −0.4 −0.3 −0.2 −0.1

0

0.1

0.2

0.3

0.4

0.5

DR = 8SPS

DR = 128SPS

DR = 860SPS

Input Voltage (V)

FS = ±0.512V

G017

0

5

10

15

20

25

30

35

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

DR = 8SPS

DR = 128SPS

DR = 860SPS

Supply Voltage (V)

FS = ±2.048V

G018

1

2

3

4

5

6

7

8

9

10

−40

−20

0

20

40

60

80

100

120

Temperature (°C)

FS = ±2.048V

Data Rate = 8SPS

G019

0

2.5

5

7.5

10

12.5

15

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Supply Voltage (V)

FS = ±0.256V

FS = ±0.512V

FS = ±2.048V

FS = ±6.144V

G010

ADS1118

www.ti.com

SBAS457A

– OCTOBER 2010 – REVISED JULY 2011

TYPICAL CHARACTERISTICS

TOTAL ERROR vs INPUT SIGNAL

DATA RATE vs TEMPERATURE

Figure 2.

Figure 3.

NOISE vs INPUT SIGNAL

NOISE vs SUPPLY VOLTAGE

Figure 4.

Figure 5.

NOISE vs TEMPERATURE

Figure 6.

Figure 7.

(1)

This parameter expresses the full-scale range of the ADC scaling. In no event should more than VDD + 0.3V be applied to this device.

Copyright

© 2010–2011, Texas Instruments Incorporated

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