AD7980ACPZ-RL Просмотр технического описания (PDF) - Analog Devices
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AD7980ACPZ-RL Datasheet PDF : 26 Pages
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AD7980
TYPICAL PERFORMANCE CHARACTERISTICS
VDD = 2.5 V, VREF = 5.0 V, VIO = 3.3 V, unless otherwise noted.
1.25
POSITIVE INL: +0.33 LSB
1.00
NEGATIVE INL: –0.39 LSB
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
0
16384
32768
CODE
49152
Figure 6. Integral Nonlinearity vs. Code, REF = 5 V
65536
1.25
POSITIVE INL: +0.47 LSB
1.00
NEGATIVE INL: –0.26 LSB
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
0
16384
32768
49152
CODE
Figure 7. Integral Nonlinearity vs. Code, REF = 2.5 V
65536
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
ffSIN==110MkSHPzS
SNR = 91.27dB
THD = –114.63dB
SFDR = 110.10dB
SINAD = 91.25dB
100
200
300
400
500
FREQUENCY (kHz)
Figure 8. FFT Plot, REF = 5 V
Data Sheet
1.00
POSITIVE INL: +0.18 LSB
NEGATIVE INL: –0.21 LSB
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
0
16384
32768
CODE
49152
65536
Figure 9. Differential Nonlinearity vs. Code, REF = 5 V
1.00
POSITIVE INL: +0.25 LSB
NEGATIVE INL: –0.22 LSB
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
0
16384
32768
49152
65536
CODE
Figure 10. Differential Nonlinearity vs. Code, REF = 2.5 V
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
ffSIN==110MkSHPzS
SNR = 86.8dB
THD = –111.4dB
SFDR = 105.9dB
SINAD = 86.8dB
100
200
300
400
500
FREQUENCY (kHz)
Figure 11. FFT Plot, REF = 2.5 V
Rev. F | Page 10 of 26
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