ADS7846

5

SBAS125H

www.ti.com

TYPICAL CHARACTERISTICS

At TA = +25°C, +VCC = +2.7V, VREF = External +2.5V, fSAMPLE = 125kHz, and fCLK = 16 • fSAMPLE = 2MHz, unless otherwise noted.

SUPPLY CURRENT vs TEMPERATURE

20

–40

100

–20

0

40

Temperature (

°C)

400

350

300

250

200

150

100

60

80

POWER-DOWN SUPPLY CURRENT

vs TEMPERATURE

20

–40

100

–20

0

40

Temperature (

°C)

140

120

100

80

60

40

20

60

80

SUPPLY CURRENT vs +V

CC

3.5

2.0

5.0

2.5

4.0

+V

CC (V)

390

370

350

330

310

290

270

250

4.5

3.0

f

SAMPLE = 12.5kHz

MAXIMUM SAMPLE RATE vs +V

CC

3.5

2.0

5.0

2.5

4.0

+V

CC (V)

1M

100k

10k

1k

4.5

3.0

CHANGE IN GAIN vs TEMPERATURE

20

–40

100

–20

0

40

Temperature (

°C)

0.15

0.10

0.05

0

–0.05

–0.10

–0.15

60

80

CHANGE IN OFFSET vs TEMPERATURE

20

–40

100

–20

0

40

Temperature (

°C)

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

60

80