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SPT7938 Datasheet(PDF) 3 Page - Cadeka Microcircuits LLC.

No. de pieza SPT7938
Descripción Electrónicos  12-BIT, 40 MSPS, 170 mW A/D CONVERTER
PDF  10 Pages
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Fabricante Electrónico  CADEKA [Cadeka Microcircuits LLC.]
Página de inicio  http://www.cadeka.com
Logo CADEKA - Cadeka Microcircuits LLC.

SPT7938 Datasheet(HTML) 3 Page - Cadeka Microcircuits LLC.

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SPT7938
TEST LEVEL CODES
All electrical characteristics are subject to the
following conditions:
All parameters having min/max specifications
are guaranteed. The Test Level column indi-
cates the specific device testing actually per-
formed during production and Quality Assur-
ance inspection. Any blank section in the data
column indicates that the specification is not
tested at the specified condition.
TEST PROCEDURE
100% production tested at the specified temperature.
100% production tested at TA = +25 °C, and sample
tested at the specified temperatures.
QA sample tested only at the specified temperatures.
Parameter is guaranteed (but not tested) by design and
characterization data.
Parameter is a typical value for information purposes
only.
100% production tested at TA = +25 °C. Parameter is
guaranteed over specified temperature range.
TEST LEVEL
I
II
III
IV
V
VI
ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, VDD=+5.0 V, ƒS=40 MSPS, VIN=0 to 4 V, VRHS=4.0 V, VRLS=0.0 V, unless otherwise specified.
TEST
TEST
SPT7938
PARAMETERS
CONDITIONS
LEVEL
MIN
TYP
MAX
UNITS
Dynamic Performance
Harmonic Distortion
ƒIN=3.58 MHz
TA = +25 °C
I
–62.5
–71
dB
ƒIN=3.58 MHz
TA = TMIN to TMAX
IV
–62.0
–71
dB
Signal-to-Noise and Distortion
(SINAD)
ƒIN=3.58 MHz
TA = +25 °C
I
60.2
62
dB
ƒIN=3.58 MHz
TA = TMIN to TMAX
IV
57.5
62
dB
Spurious Free Dynamic Range
ƒIN=3.58 MHz
V
73
dB
Differential Phase
V
0.25
Degree
Differential Gain
V
0.5
%
Clock Input
Logic 1 Voltage
VI
2.0
V
Logic 0 Voltage
VI
0.8
V
Maximum Input Current Low
VI
–10
+10
µA
Maximum Input Current High
VI
–10
+10
µA
Input Capacitance
V
5
pF
Input Duty Cycle
V
45
50
55
%
Output Enable
Logic 1 Voltage
VI
3.5
V
Logic 0 Voltage
VI
1.5
V
Maximum Input Current Low
VI
–10
+10
µA
Maximum Input Current High
VI
–10
+10
µA
Digital Outputs
Logic 1 Voltage
IOH = 0.5 mA
VDD–0.5
V
Logic 0 Voltage
IOL = 1.6 mA
0.42
V
CLK to Output Delay Time (tD)IV
15
ns
Output Enable to Data Output Delay
20 pF load
IV
10
ns
Power Supply Requirements
Voltages OVDD
IV
3.0
5.0
V
VDD
IV
4.75
5.0
5.25
V
Currents IDD
VI
34
40
mA
Power Dissipation
VI
170
200
mW
Power Supply Rejection Ratio
60
dB



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