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SPT7920 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. SPT7920
Description  12-BIT, 10 MSPS, TTL, A/D CONVERTER
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Maker  ETC1 [List of Unclassifed Manufacturers]
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SPT7920 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

 
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SPT
2
3/10/97
SPT7920
ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, VCC=+5.0 V, VEE=-5.2 V, DVCC=+5.0 V, VIN=±2.0 V, VSB=-2.0 V, VST=+2.0 V, fCLK=10 MHz, 50% clock duty cycle,
unless otherwise specified.
TEST
TEST
SPT7920
PARAMETERS
CONDITIONS
LEVEL
MIN
TYP
MAX
UNITS
Resolution
12
Bits
DC Accuracy
TA=+25 °C
Integral Nonlinearity
± Full Scale
V
±2.0
LSB
Differential Nonlinearity
100 kHz Sample Rate
V
±0.8
LSB
No Missing Codes
VI
Guaranteed
Analog Input
Input Voltage Range
fCLK=1 MHz
VI
±2.0
V
Input Bias Current
TA=+25
°C
I
30
60
µA
Input Resistance
VIN=0 V, TA=+25 °C
I
100
300
k
Input Capacitance
V
5
pF
Input Bandwidth
3 dB Small Signal
V
120
MHz
+FS Error
V
±5.0
LSB
-FS Error
V
±5.0
LSB
Reference Input
fCLK=1 MHz
Reference Ladder Resistance
VI
500
800
Reference Ladder Tempco
V
0.8
Ω/°C
Timing Characteristics
Maximum Conversion Rate
VI
10
MHz
Overvoltage Recovery Time
V
20
ns
Pipeline Delay (Latency)
IV
1
Clock Cycle
Output Delay
TA=+25
°C
V
14
18
ns
Aperture Delay Time
TA=+25 °CV
1
ns
Aperture Jitter Time
TA=+25 °C
V
5
ps-RMS
Dynamic Performance
Effective Number of Bits
fIN=500 kHz
10.2
Bits
fIN=1.0 MHz
10.0
Bits
fIN=3.58 MHz
9.5
Bits
Signal-to-Noise Ratio
(without Harmonics)
fIN=500 kHz
TA=+25
°C
I
64
67
dB
TA=TMIN to TMAX
IV
58
61
dB
fIN=1 MHz
TA=+25 °C
I
64
66
dB
TA=TMIN to TMAX
IV
58
60
dB
fIN=3.58 MHz
TA=+25 °C
I
62
64
dB
TA=TMIN to TMAX
IV
58
60
dB
ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25
°C
Supply Voltages
VCC ...........................................................................+6 V
VEE ........................................................................... -6 V
Input Voltages
Analog Input ............................................... VFB≤VIN≤VFT
VFT, VFB. ................................................... +3.0 V, -3.0 V
Reference Ladder Current ..................................... 12 mA
CLK IN ...................................................................... VCC
Output
Digital Outputs .............................................. 0 to -30 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.


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