AD7847BNR Просмотр технического описания (PDF) - Analog Devices
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AD7847BNR Datasheet PDF : 12 Pages
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AD7837/AD7847–Typical Performance Graphs
10
25
0
–10
VDD = +15V
VSS = –15V
VREF = +20Vp–p
–20 DAC CODE = 111...111
–30
104
105
106
107
FREQUENCY – Hz
Figure 1. Frequency Response
20
15
10
5
0
10
VDD = +15V
VSS = –15V
VREF = +20Vp–p @ 1kHz
DAC CODE = 111...111
100
1k
10k
LOAD RESISTANCE – ⍀
Figure 2. Output Voltage Swing vs.
Resistive Load
0.5
0.4
VREF = 7.5V
0.3
0.2
INL
0.1
DNL
0.0
0
11
13
15
17
VDD /VSS – Volts
Figure 4. Linearity vs. Power Supply
400
300
VDD = +15V
VSS = –15V
200
VREF = 0V
DAC CODE = 111...111
100
0
0.01
0.1
1
10
100
FREQUENCY – Hz
Figure 5. Noise Spectral Density vs.
Frequency
–50
–60
VDD = +15V
VSS = –15V
VREF = 20V p-p
–70
DAC CODE = 000...000
–80
–90
–100
0.1
1
10
100
FREQUENCY – kHz
1000
Figure 7. Multiplying Feedthrough
Error vs. Frequency
FULL SCALE
VOUT
ZERO SCALE
HORIZ 2s/DIV
VERT 2V/DIV
Figure 8. Large Signal Pulse
Response
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
0
VDD = +15V
VSS = –15V
DAC A
DAC B
2048
CODE
4095
Figure 3. DAC-to-DAC Linearity
Matching
–40
–50
VDD = +15V
–60 VSS = –15V
VREF = 6V rms
–70 DAC CODE = 111...111
–80
–90
–100
0.1
1
10
100
FREQUENCY – kHz
Figure 6. THD vs. Frequency
A1 –0.01V
200mV
50mV
B
Lw
2s
Figure 9. Small Signal Pulse
Response
–6–
REV. C
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