SPT7850SCT(1998) Просмотр технического описания (PDF) - Signal Processing Technologies
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SPT7850SCT Datasheet PDF : 12 Pages
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ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25 °C
Supply Voltages
AVDD ......................................................................... +6 V
DVDD ........................................................................ +6 V
Input Voltages
Analog Input .................................. -0.5 V to AVDD +0.5 V
VREF ............................................................................ 0 to AVDD
CLK Input .................................................................. VDD
AVDD - DVDD ..................................................... ±100 mV
AGND - DGND .................................................. ±100 mV
Output
Digital Outputs ....................................................... 10 mA
Temperature
Operating Temperature ................................... 0 to 70 °C
Junction Temperature ........................................... 175 °C
Lead Temperature, (soldering 10 seconds) .......... 300 °C
Storage Temperature ................................ -65 to +150 °C
Note: 1. Operation at any Absolute Maximum Rating is not implied. See Electrical Specifications for proper nominal
applied conditions in typical applications.
ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, AVDD=DVDD=+5.0 V, VIN=0 to 4 V, fS=20 MSPS, fCLK=40 MHz, VRHS= 4.0 V, VRLS=0.0 V, unless otherwise specified.
PARAMETERS
Resolution
DC Accuracy
Integral Nonlinearity
Differential Nonlinearity
No Missing Codes
Analog Input
Input Voltage Range
Input Resistance
Input Capacitance
Input Bandwidth
Offset
Gain Error
Reference Input
Resistance
Bandwidth
Voltage Range
VRLS
VRHS
VRHS - VRLS
∆(VRHF - VRHS)
∆(VRLS - VRLF)
Reference Settling Time
VRHS
VRLS
Conversion Characteristics
Maximum Conversion Rate
Minimum Conversion Rate
Pipeline Delay (Latency)
Aperture Delay Time
Aperture Jitter Time
Dynamic Performance
Effective Number of Bits
fIN=3.58 MHz
fIN=10.3 MHz
TEST
CONDITIONS
(Small Signal)
TEST
LEVEL
VI
VI
VI
VI
IV
V
V
V
V
VI
V
IV
IV
V
V
V
V
V
VI
IV
IV
V
V
SPT7850
MIN
TYP
10
±1.0
±0.5
Guaranteed
VRLS
50
5.0
100
±2.0
±2.0
400
500
100
150
0
-
3.0
-
1.0
4.0
90
75
15
20
20
2
5
30
VI
8.8
VI
8.5
MAX
UNITS
Bits
LSB
LSB
VRHS
V
kΩ
pF
MHz
LSB
LSB
600
2.0
AVDD
5.0
Ω
MHz
V
V
V
mV
mV
Clock Cycles
Clock Cycles
MHz
MHz
12
Clock Cycles
ns
ps
Bits
Bits
SPT
2
SPT7850
2/10/98
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