SPT7938 查看數據表（PDF） - Cadeka Microcircuits LLC.
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SPT7938 Datasheet PDF : 10 Pages
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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.
PARAMETERS
TEST
CONDITIONS
TEST
LEVEL
SPT7938
MIN
TYP
MAX
Dynamic Performance
Harmonic Distortion
ƒIN=3.58 MHz
ƒIN=3.58 MHz
Signal-to-Noise and Distortion
(SINAD)
ƒIN=3.58 MHz
ƒIN=3.58 MHz
Spurious Free Dynamic Range
ƒIN=3.58 MHz
Differential Phase
Differential Gain
TA = +25 °C
TA = TMIN to TMAX
TA = +25 °C
TA = TMIN to TMAX
I
–62.5
IV
–62.0
I
60.2
IV
57.5
V
V
V
–71
–71
62
62
73
0.25
0.5
Clock Input
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current Low
Maximum Input Current High
Input Capacitance
Input Duty Cycle
VI
2.0
VI
VI
–10
VI
–10
V
V
45
0.8
+10
+10
5
50
55
Output Enable
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current Low
Maximum Input Current High
VI
3.5
VI
1.5
VI
–10
+10
VI
–10
+10
Digital Outputs
Logic 1 Voltage
Logic 0 Voltage
CLK to Output Delay Time (tD)
Output Enable to Data Output Delay
IOH = 0.5 mA
IOL = 1.6 mA
20 pF load
VDD–0.5
IV
IV
0.42
15
10
Power Supply Requirements
Voltages OVDD
VDD
Currents IDD
Power Dissipation
Power Supply Rejection Ratio
IV
3.0
IV
4.75
VI
VI
5.0
5.0
5.25
34
40
170
200
60
UNITS
dB
dB
dB
dB
dB
Degree
%
V
V
µA
µA
pF
%
V
V
µA
µA
V
V
ns
ns
V
V
mA
mW
dB
TEST LEVEL CODES
TEST LEVEL
All electrical characteristics are subject to the
I
following conditions:
II
All parameters having min/max specifications
are guaranteed. The Test Level column indi-
cates the specific device testing actually per-
III
formed during production and Quality Assur-
IV
ance inspection. Any blank section in the data
column indicates that the specification is not
tested at the specified condition.
V
VI
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.
SPT7938
3
5/24/00
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