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参数资料
| 型号： | SP7800AJS |
| 元件分类： | ADC |
| 英文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| 封装： | 0.300 INCH, PLASTIC, SOIC-24 |
| 文件页数： | 6/13页 |
| 文件大小： | 171K |
| 代理商： | SP7800AJS |
SP7800ADS/02
SP7800A 12-Bit 3
s Sampling A/D Converter
Copyright 2000 Sipex Corporation
2
OBSOLETE
-
HIST
ORICAL
REFERENCE
ONL
Y
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device
at these or any other above those indicated in the operation
sections of the specifications below is not implied. Exposure to
absolute maximum rating conditions for extended periods of time
may affect reliability.
V
S to Digital Common ............................................................... +7V
Pin 23 (V
SO) to Pin 24 (VSA) .................................................... ±0.3V
Analog Common to Digital Common ......................................
±0.3V
Control Inputs to Digital Common ....................... –0.3 to V
S + 0.3 V
Analog Input Voltage ..............................................................
±20V
Maximum Junction Temperature ........................................... 160
°C
Internal Power Dissipation .................................................. 750mW
Lead Temperature (soldering, 10s) ..................................... +300
°C
Thermal Resistance.
JA:
Plastic DIP ....................................................................... 50
°C/W
SOIC ............................................................................ 100
°CC/W
SPECIFICATIONS
T
A = 25°C, Sampling Frequency, f8, = 333kHz, VS = +5V, unless otherwise specified.
PARAMETER
MIN .
TYP.
MAX .
UNITS
CONDITIONS
RESOLUTION
12
BITS
ANALOG INPUT
Voltage Ranges
±10V/±5V
V
Impedance
±10V Range
4.7
6.7
8.7
k
T
MIN ≤ TA ≤ TMAX
±5V Range
2.7
3.9
5.1
k
T
MIN ≤ TA ≤ TMAX
THROUGHPUT SPEED
Conversion Time
2.6
2.7
s
Conversion alone
Complete Cycle
333
s
Acquisition plus conversion
Throughput Rate
3.0
kHz
DC ACCURACY
T
MIN ≤ TA ≤ TMAX
Full Scale Error
Note 1
–J
±0.50
%
–K
±0.35
%
Integral Linearity Error
Note 2
–J
±1
LSB
–K
±12
LSB
Differential Linearity Error
–J
±1
LSB
–K
±34
LSB
No Missing Codes
Guaranteed
Bipolar Zero
Note 1
–J
±4
LSB
–K
±2
LSB
Power Supply Sensitivity
Note 3
–J
±.1
LSB
–K
±0.5
LSB
AC ACCURACY
T
MIN ≤ TA ≤ TMAX
Spurious-Free Dynamic Range
–J
74
77
dB
Note 4; f
IN = 47kHz
–K
77
80
dB
Total Harmonic Distortion
f
IN = 47kHz
–J
–77
–74
dB
–K
–80
–77
dB
Two-tone Intermod. Distortion
f
IN1 = 24.4kHz (–6dB); fIN2 =
28.5kHz (-6dB)
–J
–77
–74
dB
–K
–80
–77
dB
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