ADS7828

8

SBAS181C

www.ti.com

TYPICAL CHARACTERISTICS (Cont.)

TA = +25°C, VDD = +2.7V, VREF = External +2.5V, fSAMPLE = 50kHz, unless otherwise noted.

1.5

1.0

0.5

0.0

–0.5

–1.0

–1.5

–50

–25

0

25

50

75

100

Temperature (

°C)

CHANGE IN GAIN vs TEMPERATURE

2.51875

2.51250

2.50625

2.50000

2.49375

2.48750

2.48125

–50

–25

0

25

50

75

100

Temperature (

°C)

INTERNAL REFERENCE vs TEMPERATURE

750

600

450

300

150

0

–150

–50

–25

0

25

50

75

100

125

Temperature (

°C)

POWER-DOWN SUPPLY CURRENT

vs TEMPERATURE

400

350

300

250

200

150

100

–50

–25

0

25

50

75

100

Temperature (

°C)

SUPPLY CURRENT vs TEMPERATURE

300

250

200

150

100

50

0

10

100

1k

10k

I2C Bus Rate (KHz)

SUPPLY CURRENT vs I2C BUS RATE

INTERNAL VREF vs TURN-ON TIME

0

200

400

600

800

1000

1200

1400

Turn-On Time (

µs)

100

80

60

40

20

0

No Cap

(42

µs)

12-Bit Settling

1

µF Cap

(1240

µs)

12-Bit Settling