AD7621 datasheet(12/32 Pages) AD

12 / 32 page

AD7952

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.

–1.0

–0.5

0.5

1.0

4096

8192

12288

16384

CODE

POSITIVE INL = +0.15

NEGATIVE INL = –0.15

Figure 5. Integral Nonlinearity vs. Code

100

150

200

250

–1.0 –0.8 –0.6 –0.4 –0.2

0.2

0.4

0.6

0.8

1.0

NEGATIVE INL

POSITIVE INL

INL DISTRIBUTION (LSB)

Figure 6. Integral Nonlinearity Distribution (239 Devices)

50000

100000

150000

200000

250000

300000

1FFF

2000

2001

2002

2003

CODE IN HEX

261120

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

at the Code Center

–1.0

–0.5

0.5

1.0

4096

8192

12288

16384

CODE

POSITIVE DNL = +0.27

NEGATIVE DNL = –0.27

Figure 8. Differential Nonlinearity vs. Code

100

120

140

160

180

200

–1.0 –0.8 –0.6 –0.4 –0.2

0.2

0.4

0.6

0.8

1.0

NEGATIVE DNL

POSITIVE DNL

DNL DISTRIBUTION (LSB)

Figure 9. Differential Nonlinearity Distribution (239 Devices)

20000

40000

60000

80000

100000

120000

140000

8192

8193

8194

8195

8196

8197

132052

129068

CODE IN HEX

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

at the Code Transition

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