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參數資料
| 型號： | AD7847 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS Complete, Dual 12-Bit MDACs |
| 中文描述： | LC2MOS完成，雙12位醫療儀器行政管理制度 |
| 文件頁數： | 6/12頁 |
| 文件大小： | 187K |
| 代理商： | AD7847 |
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 |
|---|---|
| AD7847AN | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847AQ | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847AR | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847BN | LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847BQ | LC2MOS Complete, Dual 12-Bit MDACs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7847AN | 功能描述:IC DAC 12BIT MULT DUAL 24-DIP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數:16 數據接口:并聯 轉換器數目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7847AN/883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847AN883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847AN-883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7847ANN | 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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