AD7992BRMZ-1 데이터 시트보기 (PDF) - Analog Devices
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AD7992BRMZ-1 Datasheet PDF : 28 Pages
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AD7992
TYPICAL PERFORMANCE CHARACTERISTICS
0
FS = 121kSPS
FSCL = 3.4MHz
–20
FIN = 10kHz
SNR = 71.84dB
SINAD = 71.68dB
THD = –86.18dB
–40
SFDR = –88.70dB
–60
–80
–100
–120
0
20
40
60
FREQUENCY (kHz)
Figure 4. Dynamic Performance with 5 V Supply and 2.5 V Reference,
121 kSPS, Mode 1, Single-Channel Mode
0
SNR = 73.23dB
SINAD = 73.10dB
THD = –88.59dB
–20
SFDR = –90.46dB
FS = 121kSPS
FSCL = 3.4MHz
–40
FIN = 10kHz
–60
–80
–100
–120
0
10
20
30
40
50
60
FREQUENCY (kHz)
Figure 5. Dynamic Performance with 5.5 V Supply and 5.5 V Reference,
121 KSPS, Mode 1, Dual-Channel Mode
100
90
VDD = 3V
80
VDD = 5V
70
60
50
40
30
20
10
VDD = 3V/5V
200mV p-p SINE WAVE
ON VDD
2nF CAPACITOR ON VDD
100
1000
SUPPLY-RIPPLE FREQUENCY (kHz)
Figure 6. PSRR vs. Supply-Ripple Frequency, Single-Channel Mode Only
76
74
VDD = 5.5V
72
VDD = 2.7V
70
68
66
64
62
60
1
VDD = 5.0V VDD = 4.5V
VDD = 3.0V
VDD = 3.3V
10
INPUT FREQUENCY kHz
VREF = VDD
100
Figure 7. SINAD vs. Analog Input Frequency for Various Supply Voltages at
136 kSPS with 3.4 MHz fSCL
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 8. Typical INL, VDD = 5.5 V, Reference = 2.5 V, Mode 1,
3.4 MHz fSCL , 121 kSPS
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 9. Typical DNL, VDD = 5.5 V, Reference = 2.5 V Mode 1,
3.4 MHz fSCL , 121 kSPS
Rev. 0 | Page 10 of 28
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