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AD7944BCPZ Datasheet(PDF) 10 Page - Analog Devices

Part # AD7944BCPZ
Description  15.5 mW ADC in LFCSP
PDF  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7944BCPZ Datasheet(HTML) 10 Page - Analog Devices

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Data Sheet
AD7944
Rev. C | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = DVDD = VIO = 2.5 V, BVDD = 5.0 V, VREF = 5.0 V, external reference (PDREF is high, REFIN is low), unless otherwise noted.
Figure 5. Integral Nonlinearity vs. Code
Figure 6. Histogram of DC Input at Code Center (External Reference)
Figure 7. Histogram of DC Input at Code Center (Internal Reference)
Figure 8. Differential Nonlinearity vs. Code
Figure 9. Histogram of DC Input at Code Transition (External Reference)
Figure 10. Histogram of DC Input at Code Transition (Internal Reference)
0
4096
8192
12,288
16,384
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
CODE
POSITIVE INL = +0.12 LSB
NEGATIVE INL = –0.20 LSB
0
0
2
4899
149
0
0
0
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
8188
8189
8190
8191
8192
8193
8194
8195
8196
CODE IN HEX
126,022
0
0
2
5236
1438
0
0
0
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
8188
8189
8190
8191
8192
8193
8194
8195
8196
CODE IN HEX
124,396
0
4096
8192
12,288
16,384
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
CODE
POSITIVE DNL = +0.11LSB
NEGATIVE DNL = –0.11LSB
0
0
324
62,982
0
0
0
0
10,000
20,000
30,000
40,000
50,000
60,000
80,000
70,000
8188
8189
8190
8191
8192
8193
8194
8195
CODE IN HEX
67,766
0
0
7
63,238
2
0
0
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
8189
8190
8191
8192
8193
8194
8195
8196
CODE IN HEX
67,825



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