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參數(shù)資料
| 型號(hào)： | ISO808 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Isolated 12-Bit Sampling Analog-To-Digital Converter(隔離的12位采樣A\D轉(zhuǎn)換器) |
| 中文描述： | 隔離12位采樣模擬到數(shù)字轉(zhuǎn)換器（隔離的12位采樣阿\\?轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 155K |
| 代理商： | ISO808 |
2
ISO808
SPECIFICATIONS
ELECTRICAL
At T
A
= –40
°
C to +85
°
C, f
S
= 100kHz, V
DIG
= V
ANA
= +5V, using internal reference and fixed resistors shown in Figure 3, unless otherwise specified.
ISO808P
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
ISOLATION PARAMETERS
Rated Voltage, Continuous
Partial Discharge, 100% Test
(8)
Creepage Distance (External) DIP = “P” Package
Internal Isolation Distance
Barrier Impedance
Leakage Current
(9)
50Hz
1s, 5pC
1500
2500
Vrms
Vrms
mm
mm
II pF
μ
Arms
μ
Arms
16
0.10
>10
13
II 15
240Vrms, 60Hz
240Vrms, 50Hz
1.7
1.4
RESOLUTION
12
Bits
ANALOG INPUT
Voltage Ranges
Impedance
Capacitance
±
10V, 0V to 5V, etc. (See Table I)
See Table I
35
pF
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
5.7
8
μ
s
μ
s
kHz
Acquire and Convert
10
100
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
(2)
Full Scale Error
(3,4)
Full Scale Error Drift
Full Scale Error Drift
Bipolar Zero Error
(3)
Bipolar Zero Error Drift
Unipolar Zero Error
(3)
Unipolar Zero Error Drift
Power Supply Sensitivity (V
DIG
= V
ANA
= V
D
)
±
0.9
±
0.9
LSB
(1)
LSB
Guaranteed
0.1
LSB
%
ppm/
°
C
ppm/
°
C
mV
ppm/
°
C
mV
ppm/
°
C
LSB
±
0.5
±
7
±
2
Ext. 2.5000V Ref
Bipolar Ranges
Bipolar Ranges
Unipolar Ranges
Unipolar Ranges
+4.75V < V
D
< +5.25V
±
10
±
2
±
5
±
2
±
0.5
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Full-Power Bandwidth
(6)
f
IN
= 45kHz
±
10V
f
IN
= 45kHz
±
10V
f
IN
= 45kHz
±
10V
f
IN
= 45kHz
±
10V
90
–90
73
73
250
dB
(5)
dB
dB
dB
kHz
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Overvoltage Recovery
(7)
40
ns
ns
ns
Sufficient to meet AC specs
150
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer)
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
No Load
2.48
2.5
1
2.52
V
μ
A
2.3
2.5
2.7
V
Ext. 2.5000V Ref
100
μ
A
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
–0.3
V
D
–1.0
1.0
V
V
μ
A
μ
A
V
D
+0.3V
±
10
±
10
V
IL
= 0V
V
IH
= 5V
DIGITAL OUTPUTS
Data Coding
V
OL
V
OH
Binary Two’s Complement or Straight Binary
I
SINK
= 1.6mA
I
SOURCE
= 500
μ
A
±
0.4
V
V
+4
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