AD7849AN Просмотр технического описания (PDF) - Analog Devices
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AD7849AN Datasheet PDF : 15 Pages
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AD7849
Typical Performance Curves
VREF+ 1
C1 FREQ
9.9942kHz
C1 RMS
728mV
VOUT 4
C4 RMS
556µV
CH1 1.00V
CH4 1.00mV
M 20.0µs CH1 –300mV
Figure 1a. AC Feedthrough
7
6
VDD = +15V
VSS = –15V
5
VREF+ = 1V rms
VREF– = 0V
4
3
2
1
0
102
103
104
105
106
FREQUENCY – Hz
Figure 1b. AC Feedthrough vs. Frequency
SYNC 1
SDIN 2
LDAC
1
SDIN 2
VOUT 4
C4 AREA
247.964nVS
CH1 5.00V
CH2 5.00V M 1.00µs CH1 3.7V
CH4 200mV
Figure 2a. Digital-to-Analog Glitch Impulse Without
Internal Deglitcher
22
20
18
16
VDD = +15V
VSS = –15V
14
VREF+ = ±5V SINE WAVE
VREF– = 0V
12
GAIN = +2
10
8
6
4
2
102
103
104
105
106
FREQUENCY – Hz
Figure 3. Large Signal Frequency Response
VOUT 4
CH1 5.00V CH2 5.00V M 5.00µs CH1 2.3V
CH4 50.0mV
Figure 2b. Digital-to-Analog Glitch Impulse with
Internal Deglitcher
VREF+ 1
C1 Pk-Pk
10.4V
VOUT 2
C2 Pk-Pk
20.8V
C2 RISE
2.79230µs
C2 FALL
3.20385µs
CH1 10.0V CH2 20.0V M 2.5µs CH1 –400mV
Figure 4. Pulse Response (Large Signal)
–6–
REV. B
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