SP674AB Просмотр технического описания (PDF) - Signal Processing Technologies
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SP674AB Datasheet PDF : 14 Pages
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ABSOLUTE MAXIMUM RATINGS
V to Digital Common .................................................. 0 to +16.5V
CC
V to Digital Common ................................................... 0 to +7V
LOGIC
Analog Common to Digital Common ......................................... ±1V
Control Inputs to Digital Common ................. –0.5V to V +0.5V
LOGIC
(CE, CS, A , 12/8, R/C)
0
Analog Inputs to Analog Common ...................................... ±16.5V
(REF IN, BIP OFF, 10V )
IN
20V
IN
to
Analog
Common
........................................................
±24V
REF OUT ............................................... Indefinite short to common
Momentary short to V
CC
Power Dissipation ............................................................. 1000mW
Lead Temperature, Soldering ................................... 300˚C, 10Sec
ΘJ/C ................................................................................... 45˚C/W
MTBF–25˚C Ground Base ................................ 2.915 million hours
MTBF–125˚C Missile Launch ...................... 10.16 thousand hours
• Inputs exceeding +30% or –30% of FS will cause erratic performance.
CAUTION:
ESD (ElectroStatic Discharge) sensitive
device. Permanent damage may occur on
unconnected devices subject to high energy
electrostatic fields. Unused devices must be
stored in conductive foam or shunts.
Personnel should be properly grounded prior
to handling this device. The protective foam
should be discharged to the destination
socket before devices are removed.
SPECIFICATIONS
(Typical @ 25°C with VCC = +15V, VEE = 0V, VLOGIC = +5V unless otherwise noted)
PARAMETER
MIN. TYP. MAX.
UNIT
CONDITIONS
RESOLUTION
All models
12
Bits
ANALOG INPUTS
Input Ranges
Bipolar
Unipolar
Input Impedance
10 Volt Input
20 Volt Input
±5, ±10
V
0 to +10, 0 to +20
V
3.75
6.25
KΩ
15
25
KΩ
DIGITAL INPUTS
Logic Inputs CE, CS R/C, AO, 12/8
Logic 1
+2.4
+5.5
V
Logic 0
–0.3
+0.8
V
Current
±0.1
±50
µA
0V to +5.5V Input
Capacitance
5
pF
12/8 Control Input
Hardwire to VLOGIC or DIGITAL COMMON (SP574A only)
DIGITAL OUTPUTS
Logic Outputs DB11–DB0, STS
Logic 1
+2.4
Logic 0
+0.4
Leakage (High Z State)
±40
Capacitance
5
Parallel Data Output Codes
Unipolar
Positive true binary
Bipolar
Positive true offset binary
V
ISOURCE ≤ 500µA
V
ISINK ≤ 1.6mA
µA
Data bits only
pF
REFERENCE
Internal
Output Current
10.00 ±0.1
2
V
mA
Note 1
CONVERSION TIME
HS574A
12–Bit Conversion
13
8–Bit Conversion
10
SP674A
12–Bit Conversion
9
8–Bit Conversion
6
25
µs
19
µs
15
µs
11.25
µs
4
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