ADS1115 datasheet(10/34 Pages) TI1

Part #	ADS1115

Description	Ultra-Small, Low-Power, SPI-Compatible, 16-Bit Analog-to-Digital Converter and Temperature Sensor with Internal Reference

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Manufacturer	TI1 [Texas Instruments]

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−0.05

−0.04

−0.03

−0.02

−0.01

0

0.01

0.02

0.03

0.04

0.05

−40

−20

0

20

40

60

80

100

120

140

Temperature (°C)

FS = ±0.256V

FS = ±0.512V

FS = ±1.024V

FS = ±2.048V

FS = ±4.096V

FS = ±6.144V

G008

0.15

0.10

0.05

0

0.05

0.10

0.15

-

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SupplyVoltage(V)

FS= 256mV

±

FS= 2.048V

±

−1

−0.8

−0.6

−0.4

−0.2

0

0.2

0.4

0.6

0.8

1

−40

−20

0

20

40

60

80

100

120

Temperature (°C)

Average Temperature Error

Average ± 3 sigma

Average ± 6 sigma

G023

0

50

100

150

200

Gain Error (%)

540 units from 3 production lots

FS = ±2.048V

G000

0

5

10

15

20

25

30

35

40

Temperature Error (°C)

Ambient temperature = −40°C

48 units from 3 production lots

G040

0

5

10

15

20

25

30

35

40

Temperature Error (°C)

Ambient temperature = 0°C

48 units from 3 production lots

G040

ADS1118

SBAS457A

– OCTOBER 2010 – REVISED JULY 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C and VDD = 3.3V, unless otherwise noted.

GAIN ERROR vs TEMPERATURE

GAIN ERROR vs SUPPLY

Figure 20.

Figure 21.

TEMPERATURE SENSOR ERROR

vs

GAIN ERROR HISTOGRAM

AMBIENT TEMPERATURE

Figure 22.

Figure 23.

TEMPERATURE SENSOR ERROR HISTOGRAM

Figure 24.

Figure 25.

10

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