AD7923BRUZ-REEL7(RevD) Ver la hoja de datos (PDF) - Analog Devices
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AD7923BRUZ-REEL7
(Rev.:RevD)
(Rev.:RevD)
Analog Devices
AD7923BRUZ-REEL7 Datasheet PDF : 24 Pages
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AD7923
TYPICAL PERFORMANCE CHARACTERISTICS
–10
4096 POINT FFT
AVDD = 4.75V
fSAMPLE = 200kSPS
fIN = 50 kHz
–30
SINAD = 70.714dB
THD = –82.853dB
SFDR = –84.815dB
–50
–70
–90
–110
0
10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
Figure 4. Dynamic Performance at 200 kSPS
75
AVDD = VDRIVE = 5.25V
AVDD = VDRIVE = 4.75V
70
AVDD = VDRIVE = 3.6V
AVDD = VDRIVE = 2.7V
65
fSAMPLE = 200kSPS
TA = 25°C
RANGE = 0V TO REFIN
60
0
100
INPUT FREQUENCY (kHz)
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages at
200 kSPS
0
AVDD = 5V
–10 200mV p-p SINE WAVE ON AVDD
REFIN = 2.5V, 1mF CAPACITOR
–20 TA = 25°C
–30
–40
–50
–60
–70
–80
–90
0
20 40 60 80 100 120 140 160 180 200
SUPPLY RIPPLE FREQUENCY (kHz)
Figure 6. PSRR vs. Supply Ripple Frequency
Data Sheet
–50
fSAMPLE = 200kSPS
–55 TA = 25°C
RANGE = 0V TO REFIN
–60
–65
–70
AVDD = VDRIVE = 2.7V
–75
AVDD = VDRIVE = 3.6V
–80
–85
–90
10
AVDD = VDRIVE = 4.75V
AVDD = VDRIVE = 5.25V
100
INPUT FREQUENCY (kHz)
Figure 7. THD vs. Analog Input Frequency
for Various Supply Voltages at 200 kSPS
–55
fSAMPLE = 200kSPS
–60 TA = 25°C
AVDD = 5.25V
RANGE = 0V TO REFIN
–65
–70
RIN = 1000Ω
–75
–80
RIN = 100Ω
RIN = 10Ω
–85
–90
–95
10
RIN = 50Ω
100
INPUT FREQUENCY (kHz)
Figure 8. THD vs. Analog Input Frequency for Various Source Impedances
1.0
AVDD = VDRIVE = 5V
0.8 TEMP = 25°C
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
512 1024 1536 2048 2560 3072
CODE
3584 4096
Figure 9. Typical INL
Rev. D | Page 8 of 24
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