SP7800 데이터 시트보기 (PDF) - Signal Processing Technologies
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SP7800 Datasheet PDF : 13 Pages
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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.
VS to Digital Common ............................................................... +7V
Pin 23 (VSO) to Pin 24 (VSA) .................................................... ±0.3V
Analog Common to Digital Common ...................................... ±0.3V
Control Inputs to Digital Common ....................... –0.3 to VS + 0.3 V
Analog Input Voltage .............................................................. ±20V
Maximum Junction Temperature ........................................... 160°C
Internal Power Dissipation .................................................. 750mW
Lead Temperature (soldering, 10s) ..................................... +300°C
Thermal Resistance. ØJA:
Plastic DIP ....................................................................... 50°C/W
SOIC ............................................................................ 100°CC/W
SPECIFICATIONS
TA = 25°C, Sampling Frequency, f8, = 333kHz, VS = +5V, unless otherwise specified.
PARAMETER
RESOLUTION
ANALOG INPUT
Voltage Ranges
Impedance
±10V Range
±5V Range
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
DC ACCURACY
Full Scale Error
–J
–K
Integral Linearity Error
–J
–K
Differential Linearity Error
–J
–K
No Missing Codes
Bipolar Zero
–J
–K
Power Supply Sensitivity
–J
–K
AC ACCURACY
Spurious-Free Dynamic Range
–J
–K
Total Harmonic Distortion
–J
–K
Two-tone Intermod. Distortion
MIN .
TYP.
MAX .
12
±10V/±5V
4.7
6.7
8.7
2.7
3.9
5.1
2.6
2.7
333
3.0
±0.50
±0.35
±1
±1⁄2
±1
±3⁄4
Guaranteed
±4
±2
±.1
±0.5
74
77
77
80
–77
–74
–80
–77
–J
–77
–74
–K
–80
–77
UNITS
BITS
V
kΩ
kΩ
µs
µs
kHz
%
%
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
dB
dB
dB
dB
dB
dB
CONDITIONS
TMIN ≤ TA ≤ TMAX
TMIN ≤ TA ≤ TMAX
Conversion alone
Acquisition plus conversion
TMIN ≤ TA ≤ TMAX
Note 1
Note 2
Note 1
Note 3
TMIN ≤ TA ≤ TMAX
Note 4; fIN = 47kHz
fIN = 47kHz
fIN1 = 24.4kHz (–6dB); fIN2 =
28.5kHz (-6dB)
SP7800ADS/02
SP7800A 12-Bit 3µs Sampling A/D Converter
2
© Copyright 2000 Sipex Corporation
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