AD7643 datasheet(11/32 Pages) AD

11 / 32 page

AD7610

Rev. 0 | Page 11 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

16384

32768

49152

1.0

0.5

–0.5

–1.0

Figure 5. Integral Nonlinearity vs. Code

250

–1.0

1.0

INL DISTRIBUTION (LSB)

100

150

200

–0.6 –0.4 –0.2

0.2

0.4

0.6

0.8

–0.8

NEGATIVE INL

POSITIVE INL

Figure 6. Integral Nonlinearity Distribution (296 Devices)

250000

7FFF

8006

CODE IN HEX

8000

8001

8002

8003

8004

8005

200000

150000

100000

50000

27510

22202

211404

σ = 0.44

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

at the Code Center

CODE

1.5

1.0

0.5

–0.5

–1.0

–1.5

16384

32768

49152

65536

Figure 8. Differential Nonlinearity vs. Code

180

–1.0

1.0

DNL DISTRIBUTION (LSB)

100

140

–0.6 –0.4 –0.2

0.2

0.4

0.6

0.8

–0.8

NEGATIVE DNL

POSITIVE DNL

120

160

Figure 9. Differential Nonlinearity Distribution (296 Devices)

CODE IN HEX

8007

8006

8000

8001

8002

8003

8004

8005

140000

120000

100000

80000

60000

40000

20000

σ = 0.51

169

1072

127179

132700

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

at the Code Transition

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