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參數(shù)資料
| 型號： | HT574 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HIGH TEMPERATURE UP COMPATIBLE 12-BIT A/D CONVERTER |
| 中文描述： | 高溫向上兼容的12位的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 86K |
| 代理商： | HT574 |
3
HT574
DC ELECTRICAL CHARACTERISTICS
Temperature ranges = -55 to +225
°
C, VDD = 10.0V
±
10%
Typical @ +25
°
C, Vlogic = +5V, unless otherwise specified
(1) Can be adjusted by tying VTRIM to external resistor and VREF_OUT or VSSA.
(2) Available for external loads, external load should not change during conversion.
Parameter
Conditions
Typ
Min
Max
Units
Resolution
12
±
1
±
1
±
2
±
10
Bits
Integral Non-Linearity (INL)
Tmin to Tmax
LSB
Differential Non-Linearity (DNL)
Tmin to Tmax
LSB
Unipolar Offset Error
Adjustable to zero
LSB
Bipolar Offset Error
Adjustable to zero
LSB
Full Scale Calibration Error (1)
No adjustment at +25
°
C, Tmin to Tmax
With adjustment at +25
°
C, Tmin to Tmax
Using internal reference, Tmin to Tmax
0.8
0.5
% of FS
% of FS
Temperature Coefficients
Unipolar Offset
Bipolar Offset
Full Scale Calibration
±
2 (5)
±
4 (10)
±
20 (50)
LSB (ppm/
°
C)
LSB (ppm/
°
C)
LSB (ppm/
°
C)
Power Supply Rejection
+9.0V<VDD<11>V
+4.5V<VLOGIC<5.5V
Max change in full scale calibration
±
2
±
0.5
LSB
LSB
Analog Input Ranges
Bipolar
Unipolar
-5
0
0
+5
+10
+20
V
V
V
Impedance
10 Volt Span
20 Volt Span
Temperature coefficient =
±
100ppm/
°
C
3.3
13.3
2.64
10.64
3.96
15.96
K
k
Operating Voltage Range
VLOGIC
VDD
+4.5
+9
+5.5
+11
V
V
Operating Current
ILOGIC
IDD
1
7
3
9
mA
mA
Power Dissipation
VDD = 10V, VLOGIC = 5 V
75
105
mW
Internal Reference Voltage
5
4.965
5.035
V
Output Current (2)
Sink or source
8
mA
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