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參數資料
| 型號： | AD7837AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | LC2MOS Complete, Dual 12-Bit MDACs |
| 中文描述： | DUAL, PARALLEL, WORD INPUT LOADING, 3 us SETTLING TIME, 12-BIT DAC, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁數： | 6/12頁 |
| 文件大小： | 187K |
| 代理商： | AD7837AR |
AD7837/AD7847
–
Typical Performance Graphs
REV. C
–6–
FREQUENCY – Hz
G
10
0
10
4
–20
–10
–30
10
5
10
6
10
7
V
DD
= +15V
V
SS
= –15V
V
REF
= +20Vp–p
DAC CODE = 111...111
Figure 1. Frequency Response
V
DD
/V
SS
–
Volts
E
–
0.5
0.0
0
0.4
0.3
0.2
0.1
11
13
15
17
INL
DNL
V
REF
= 7.5V
Figure 4. Linearity vs. Power Supply
FREQUENCY
–
kHz
F
–
0.1
1
100
V
DD
= +15V
V
SS
=
–
15V
V
REF
= 20V p-p
DAC CODE = 000...000
–
100
10
1000
–
90
–
80
–
70
–
60
–
50
Figure 7. Multiplying Feedthrough
Error vs. Frequency
LOAD RESISTANCE
–
V
O
–
–
p
20
5
10
15
10
0
100
1k
10k
V
DD
= +15V
V
SS
=
–
15V
V
REF
= +20Vp
–
p @ 1kHz
DAC CODE = 111...111
25
Figure 2. Output Voltage Swing vs.
Resistive Load
FREQUENCY
–
Hz
N
–
400
0.01
0
0.1
1
100
V
DD
= +15V
V
SS
=
–
15V
V
REF
= 0V
DAC CODE = 111...111
300
200
100
10
Figure 5. Noise Spectral Density vs.
Frequency
HORIZ 2 s/DIV
VERT 2V/DIV
V
OUT
FULL SCALE
ZERO SCALE
Figure 8. Large Signal Pulse
Response
CODE
E
–
0
–
0.2
–
0.4
0.6
0.4
0.2
–
0.6
0.6
0.4
0.2
0
2048
4095
0
–
0.2
–
0.4
–
0.6
V
DD
= +15V
V
SS
=
–
15V
DAC A
DAC B
Figure 3. DAC-to-DAC Linearity
Matching
FREQUENCY
–
kHz
T
–
0.1
100
1
10
–
40
V
DD
= +15V
V
SS
=
–
15V
V
REF
= 6V rms
DAC CODE = 111...111
–
50
–
60
–
70
–
80
–
90
–
100
Figure 6. THD vs. Frequency
A1 –0.01V
2 s
200mV
50mV
B
L
w
Figure 9. Small Signal Pulse
Response
相關PDF資料 |
PDF描述 |
|---|---|
| AD7837BN | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837BQ | 2.7V-5.25V Digital, 5V Analog, 14 Bit, 1.25 MSPS, Serial ADC w/Ref 48-TQFP -40 to 85 |
| AD7837BR | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837SQ | 2.7V-5.25V Digital, 5V Analog, 14 Bit, 1.25 MSPS, Serial ADC w/Ref 48-TQFP -40 to 85 |
| AD7847 | LC2MOS Complete, Dual 12-Bit MDACs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7837AR/883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837AR883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837AR-883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837ARN | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837ARQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
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