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AD7944BCPZ 데이터시트(PDF) 9 Page - Analog Devices

부품명 AD7944BCPZ
상세설명  14-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP
PDF  28 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD7944BCPZ 데이터시트(HTML) 9 Page - Analog Devices

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AD7944
Rev. 0 | 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.
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
1.0
CODE
POSITIVE INL = +0.12 LSB
NEGATIVE INL = –0.20 LSB
Figure 5. Integral Nonlinearity vs. Code
00
2
4899
149
00
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
0
8188
8189
8190
8191
8192
8193
8194
8195
8196
CODE IN HEX
126,022
Figure 6. Histogram of DC Input at Code Center (External Reference)
00
2
5236
1438
00
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
0
8188
8189
8190
8191
8192
8193
8194
8195
8196
CODE IN HEX
124,396
Figure 7. Histogram of DC Input at Code Center (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
CODE
POSITIVE DNL = +0.11LSB
NEGATIVE DNL = –0.11LSB
Figure 8. Differential Nonlinearity vs. Code
00
324
62,982
000
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
Figure 9. Histogram of DC Input at Code Transition (External Reference)
00
7
63,238
2
00
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
67,825
CODE IN HEX
Figure 10. Histogram of DC Input at Code Transition (Internal Reference)



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