AD7265(RevB) 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
生产厂家
AD7265
(Rev.:RevB)
(Rev.:RevB)
Analog Devices
AD7265 Datasheet PDF : 29 Pages
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Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
–60
INTERNAL REFERENCE
–70
–80
EXTERNAL REFERENCE
–90
–100
–110
100mV p-p SINE WAVE ON AVDD
NO DECOUPLING
SINGLE-ENDED MODE
–120
0 200 400 600 800 1000 1200 1400 1600 1800 2000
SUPPLY RIPPLE FREQUENCY (kHz)
Figure 4. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–50
VDD = 5V
–55
–60
–65
–70
–75
–80
–85
–90
–95
–100
0
100 200 300 400 500 600 700 800 900 1000
NOISE FREQUENCY (kHz)
Figure 5. Channel-to-Channel Isolation
74
RANGE = 0 TO VREF
72
VDD = 5V
DIFFERENTIAL MODE
70
VDD = 3V
DIFFERENTIAL MODE
68
66
0
500
1000
INPUT FREQUENCY (kHz)
Figure 6. SINAD vs. Analog Input Frequency for Various Supply Voltages
AD7265
4096 POINT FFT
–10
VDD = 5V, VDRIVE = 3V
FSAMPLE = 1MSPS
FIN = 26kHz
SINAD = 71.4dB
–30
THD = –84.42dB
DIFFERENTIAL MODE
–50
–70
–90
–110
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
Figure 7. FFT
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
VDD = 5V, VDRIVE = 3V
DIFFERENTIAL MODE
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 8. Typical DNL
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
VDD = 5V, VDRIVE = 3V
DIFFERENTIAL MODE
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 9. Typical INL
Rev. B | Page 9 of 28
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