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參數(shù)資料
| 型號： | SP674BS |
| 元件分類： | 串行ADC |
| 英文描述： | 12-Bit Sampling A/D Converters |
| 中文描述： | 12位采樣的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 204K |
| 代理商： | SP674BS |
4
ABSOLUTE MAXIMUM RATINGS
V
CC
to Digital Common .................................................. 0 to +16.5V
V
to Digital Common ................................................... 0 to +7V
Analog Common to Digital Common .........................................
±
1V
Control Inputs to Digital Common ................. –0.5V to V
LOGIC
+0.5V
(CE, CS, A
, 12/8, R/C)
Analog Inputs to Analog Common ......................................
±
16.5V
(REF IN, BIP OFF, 10V
)
20V
to Analog Common........................................................
±
24V
REF OUT ...............................................Indefinite short to common
Momentary short to V
CC
Power Dissipation ............................................................. 1000mW
Lead Temperature, Soldering ................................... 300C, 10Sec
Θ
J/C ...................................................................................45C/W
MTBF–25C Ground Base ................................2.915 million hours
MTBF–125C 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 V
CC
= +15V, V
EE
= 0V, V
LOGIC
= +5V unless otherwise noted)
PARAMETER
RESOLUTION
All models
ANALOG INPUTS
Input Ranges
Bipolar
Unipolar
Input Impedance
10 Volt Input
20 Volt Input
DIGITAL INPUTS
Logic Inputs CE, CS R/C, A
O
, 12/8
Logic 1
Logic 0
Current
Capacitance
12/8 Control Input
DIGITAL OUTPUTS
Logic Outputs DB
11
–DB
0
, STS
Logic 1
Logic 0
Leakage (High Z State)
Capacitance
Parallel Data Output Codes
Unipolar
Bipolar
REFERENCE
Internal
Output Current
CONVERSION TIME
HS574A
12–Bit Conversion
8–Bit Conversion
SP674A
12–Bit Conversion
8–Bit Conversion
MIN.
TYP.
MAX.
UNIT
CONDITIONS
12
Bits
±
5,
±
10
V
V
0 to +10, 0 to +20
3.75
15
6.25
25
K
K
+2.4
–0.3
+5.5
+0.8
±
50
V
V
±
0.1
5
μ
A
pF
0V to +5.5V Input
Hardwire to V
LOGIC
or DIGITAL COMMON (SP574A only)
+2.4
V
V
I
SOURCE
≤
500
μ
A
I
1.6mA
Data bits only
+0.4
±
40
μ
A
pF
5
Positive true binary
Positive true offset binary
10.00
±
0.1
V
2
mA
Note 1
13
10
25
19
μ
s
μ
s
9
6
15
μ
s
μ
s
11.25
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