AD7520KD 查看數據表（PDF） - Intersil
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AD7520KD Datasheet PDF : 9 Pages
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AD7520, AD7530, AD7521, AD7531
Electrical Specifications V+ = +15V, VREF = +10V, TA = 25oC Unless Otherwise Specified (Continued)
AD7520/AD7530
AD7521/AD7531
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX MIN
TYP
MAX
Output Noise
Both Outputs
(Note 4) (Figure 4)
- Equivalent
-
to 10kΩ
- Equivalent
-
to 10kΩ
DIGITAL INPUTS
Low State Threshold, VIL
High State Threshold, VIH
Input Current, IIL, IIH
Input Coding
Over the Specified
Temperature Range
VIN = 0V or +15V
See Tables 1 and 2
-
-
0.8
-
-
0.8
2.4
-
-
2.4
-
-
-
-
±1
-
-
±1
Binary/Offset Binary
POWER SUPPLY CHARACTERISTICS
Power Supply Rejection
V+ = 14.5V to 15.5V
(Note 3) (Figure 3)
-
±0.005
-
-
±0.005
-
Power Supply Voltage Range
+5 to +15
+5 to +15
I+
All Digital Inputs at 0V or V+ -
±1
-
-
±1
-
Excluding Ladder Network
All Digital Inputs High or Low -
-
2
-
-
2
Excluding Ladder Network
Total Power Dissipation
Including the Ladder Network -
20
-
-
20
-
NOTES:
2. Full scale range (FSR) is 10V for Unipolar and ±10V for Bipolar modes.
3. Using internal feedback resistor RFEEDBACK.
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.
UNITS
Johnson
Noise
V
V
µA
% FSR/
% ∆V+
V
µA
mA
mW
Functional Diagram
VREF
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
20kΩ
SPDT NMOS
SWITCHES
MSB
BIT 2
BIT 3
20kΩ
20kΩ
20kΩ
GND
10kΩ
IOUT2
IOUT1
RFEEDBACK
NOTES:
Switches shown for Digital Inputs “High”.
Resistor values are typical.
10-9
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