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參數(shù)資料
| 型號： | AD7520 |
| 廠商： | Intersil Corporation |
| 英文描述： | 10-Bit Multiplying D/A Converters(10位乘法D/A轉(zhuǎn)換器) |
| 中文描述： | 10位乘法D / A轉(zhuǎn)換器（10位乘法的D / A轉(zhuǎn)換器） |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 271K |
| 代理商： | AD7520 |
3
Functional Diagram
POWER SUPPLY CHARACTERISTICS
Power Supply Rejection
V+ = 14.5V to 15.5V
(Note 3) (Figure 3)
-
±
0.005
-
-
±
0.005
-
%
FSR/%
V+
V
μ
A
Power Supply Voltage Range
I+
+5 to +15
±
1
+5 to +15
±
1
All Digital Inputs at 0V or V+
Excluding Ladder Network
All Digital Inputs High or Low
Excluding Ladder Network
Including the Ladder Network
-
-
-
-
-
-
2
-
-
2
mA
Total Power Dissipation
NOTES:
2. Full Scale Range (FSR) is 10V for Unipolar and
±
10V for Bipolar modes.
3. Using internal feedback resistor R
FEEDBACK
.
4. Guaranteed by design, or characterization and not production tested.
5. Accuracy not guaranteed unless outputs at GND potential.
6. Accuracy is tested and guaranteed at V+ = 15V only.
-
20
-
-
20
-
mW
Electrical Specifications
V+ = +15V, V
REF
= +10V, T
A
= 25
o
C Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
AD7520
TYP
AD7521
TYP
UNITS
MIN
MAX
MIN
MAX
Pin Descriptions
AD7520
AD7521
PIN NAME
DESCRIPTION
1
1
I
OUT1
I
OUT2
GND
Current Out summing junction of the R2R ladder network.
2
2
Current Out virtual ground, return path for the R2R ladder network.
3
3
Digital Ground. Ground potential for digital side of D/A.
4
4
Bits 1(MSB)
Most Significant Digital Data Bit.
5
5
Bit 2
Digital Bit 2.
6
6
Bit 3
Digital Bit 3.
7
7
Bit 4
Digital Bit 4.
8
8
Bit 5
Digital Bit 5.
9
9
Bit 6
Digital Bit 6.
10
10
Bit 7
Digital Bit 7.
11
11
Bit 8
Digital Bit 8.
12
12
Bit 9
Digital Bit 9.
13
13
Bit 10
Digital Bit 10 (AD7521). Least Significant Digital Data Bit (AD7520).
-
14
Bit 11
Digital Bit 11 (AD7521).
-
15
Bit 12
Least Significant Digital Data Bit (AD7521).
14
16
V+
Power Supply +5V to +15V.
15
17
V
REF
Voltage Reference Input to set the output range. Supplies the R2R resistor ladder.
16
18
R
FEEDBACK
Feedback resistor used for the current to voltage conversion when using an external Op Amp.
20k
GND
I
OUT2
I
OUT1
R
FEEDBACK
BIT 3
BIT 2
MSB
V
REF
20k
20k
20k
20k
20k
10k
10k
10k
10k
SPDT NMOS
SWITCHES
10k
NOTES:
Switches shown for Digital Inputs “High”.
Resistor values are typical.
AD7520, AD7521
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PDF描述 |
|---|---|
| AD7521JN | 10-Bit, 12-Bit Binary Multiplying D/A Converter |
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| AD7530KN | 10-Bit, 12-Bit Binary Multiplying D/A Converter |
| AD7520JN | 10-Bit, 12-Bit Binary Multiplying D/A Converter |
| AD7520KN | 10-Bit, 12-Bit Binary Multiplying D/A Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7520_02 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:10-Bit, 12-Bit, Multiplying D/A Converters |
| AD7520AD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Converter IC |
| AD7520AN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Converter IC |
| AD7520BD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Converter IC |
| AD7520BN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Converter IC |
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