AD7934BRU-6 데이터 시트보기 (PDF) - Analog Devices
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AD7934BRU-6 Datasheet PDF : 28 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
–60
100mV p-p SINE WAVE ON VDD AND/OR VDRIVE
NO DECOUPLING
–70 DIFFERENTIAL/SINGLE-ENDED MODE
INT REF
–80
–90
–100
EXT REF
–110
–120
10
210
410
610
810
SUPPLY RIPPLE FREQUENCY (kHz)
1010
Figure 3. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–70
INTERNAL/EXTERNAL REFERENCE
VDD = 5V
–75
–80
–85
–90
–95
0
100 200 300 400 500 600 700 800
NOISE FREQUENCY (kHz)
Figure 4. Channel-to-Channel Isolation
80
VDD = 5V
70
VDD = 3V
60
50
40
30
FSAMPLE = 625kSPS
RANGE = 0 TO VREF
DIFFERENTIAL MODE
20
0 100 200 300 400 500 600 700 800 900 1000
FREQUENCY (kHz)
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages
AD7934-6
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
4096 POINT FFT
VDD = 5V
FSAMPLE = 625kSPS
FIN = 49.62kHz
SINAD = 70.94dB
THD = –90.09dB
DIFFERENTIAL MODE
FREQUENCY (kHz)
Figure 6. FFT @ VDD = 5 V
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
VDD = 5V
DIFFERENTIAL MODE
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 7. Typical DNL @ VDD = 5 V
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
VDD = 5V
DIFFERENTIAL MODE
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 8. Typical INL @ VDD = 5 V
Rev. B | Page 9 of 28
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