AD7652 datasheet(12/32 Pages) AD

12 / 32 page

AD7612

Rev. 0 | Page 12 of 32

TYPICAL PERFORMANCE CHARACTERISTICS

AVDD = DVDD = 5 V; OVDD = 5 V; VCC = 15 V; VEE = −15 V; VREF = 5 V; TA = 25°C.

1.5

–1.5

65536

CODE

–1.0

–0.5

0.5

1.0

16384

32768

49152

Figure 5. Integral Nonlinearity vs. Code

180

–1.0

1.0

INL DISTRIBUTION (LSB)

160

140

120

100

–0.8 –0.6 –0.4 –0.2

0.2

0.4

0.6

0.8

NEGATIVE INL

POSITIVE INL

Figure 6. Integral Nonlinearity Distribution (239 Devices)

200k

20k

7FFE

8006

CODE IN HEX

40k

60k

80k

100k

120k

140k

160k

180k

7FFF 8000

8001

8002

8003

8004

8005

σ = 0.55

181942

47749

31321

Figure 7. Histogram of 261,120 Conversions of a DC Input

at the Code Center

1.5

–1.0

65536

CODE

0.5

16384

32768

49152

1.0

–0.5

Figure 8. Differential Nonlinearity vs. Code

180

–1.0

1.0

DNL DISTRIBUTION (LSB)

160

140

120

100

–0.8 –0.6 –0.4 –0.2

0.2

0.4

0.6

0.8

NEGATIVE DNL

POSITIVE DNL

Figure 9. Differential Nonlinearity Distribution (239 Devices)

140k

7FFE

8007

8006

CODE IN HEX

40k

60k

80k

100k

7FFF 8000 8001 8002 8003 8004 8005

20k

120k

1232

917

σ = 0.52

130570

128400

Figure 10. Histogram of 261,120 Conversions of a DC Input

at the Code Transition

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