TYPICAL CHARACTERISTICS(1)

Bin

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

28

29

G001

4692

308

TA = 25°C

Throughput = 3 MSPS

VA = 5 V

VREF = 2.5 V

TA − Free-Air temperature − °C

11.08

11.10

11.12

11.14

11.16

11.18

11.20

11.22

11.24

−40

−20

0

20

40

60

80

G002

fIN = 100 kHz

Throughput = 3 MSPS

VA = 5 V

VREF = 2.5 V

TA − Free-Air temperature − °C

68.0

68.5

69.0

69.5

70.0

−40

−20

0

20

40

60

80

G003

fIN = 100 kHz

Throughput = 3 MSPS

VA = 5 V

VREF = 2.5 V

TA − Free-Air temperature − °C

68.0

68.5

69.0

69.5

70.0

70.5

71.0

−40

−20

0

20

40

60

80

G004

fIN = 100 kHz

Throughput = 3 MSPS

VA = 5 V

VREF = 2.5 V

ADS7882

www.ti.com ........................................................................................................................................................................................... SLAS630 – DECEMBER 2008

EFFECTIVE NUMBER OF BITS

HISTOGRAM

vs

(DC CODE SPREAD CLOSE TO ZERO INPUT)

FREE-AIR TEMPERATURE

Figure 13.

Figure 14.

SIGNAL-TO-NOISE AND DISTORTION

SIGNAL-TO-NOISE RATIO

vs

vs

FREE-AIR TEMPERATURE

FREE-AIR TEMPERATURE

Figure 15.

Figure 16.

(1)

At sample rate = 3 MSPS, Vref = 2.5 V external, unless otherwise specified.

Copyright © 2008, Texas Instruments Incorporated

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