ADS7828

7

SBAS181C

www.ti.com

TYPICAL CHARACTERISTICS

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

0.00

–40.00

–80.00

–120.0

010

20

25

Frequency (kHz)

FREQUENCY SPECTRUM

(4096 Point FFT: f

IN = 1kHz, 0dB)

2.00

1.50

1.00

0.50

0.00

–0.50

–1.00

–1.50

–2.00

0

1024

2048

3072

4095

Output Code

INTEGRAL LINEARITY ERROR vs CODE

(2.5V Internal Reference)

2.00

1.50

1.00

0.50

0.00

–0.50

–1.00

–1.50

–2.00

0

1024

2048

3072

4095

Output Code

DIFFERENTIAL LINEARITY ERROR vs CODE

(2.5V Internal Reference)

2.00

1.50

1.00

0.50

0.00

–0.50

–1.00

–1.50

–2.00

0

1024

2048

3072

4095

Output Code

INTEGRAL LINEARITY ERROR vs CODE

(2.5V External Reference)

2.00

1.50

1.00

0.50

0.00

–0.50

–1.00

–1.50

–2.00

0

1024

2048

3072

4095

Output Code

DIFFERENTIAL LINEARITY ERROR vs CODE

(2.5V External Reference)

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 OFFSET vs TEMPERATURE