SPT7840 查看數據表（PDF） - Signal Processing Technologies
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SPT7840 Datasheet PDF : 12 Pages
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ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, AVDD=DVDD=+5.0 V, VIN=0 to 4 V, fCLK=20 MHz, fS=10 MSPS, VRHS=4.0 V, VRLS=0.0 V, unless otherwise specified.
PARAMETERS
TEST
CONDITIONS
TEST
LEVEL
SPT7840
MIN
TYP
MAX UNITS
Dynamic Performance
Signal-to-Noise Ratio
(without Harmonics)
fIN=1 MHz
fIN=5 MHz
Harmonic Distortion
fIN=1 MHz
fIN=5 MHz
Signal-to-Noise and Distortion
(SINAD)
fIN=1 MHz
fIN=5 MHz
Spurious Free Dynamic Range
Differential Phase
Differential Gain
Intermodulation Distortion
VI
53
58
VI
52
57
VI
59
63
VI
56
59
VI
52
57
VI
51
56
V
63
V
TBD
V
TBD
V
TBD
dB
dB
dB
dB
dB
dB
dB
Degree
%
dB
Digital Inputs
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current Low
Maximum Input Current High
Input Capacitance
VI
2.0
VI
VI
-10
VI
-10
V
5
Digital Outputs
Logic 1 Voltage
(IOH=0.5 mA)
VI
3.5
Logic 0 Voltage
(IOL=1.6 mA)
VI
tRISE
15 pF load
V
10
tFALL
15 pF load
V
10
Output Enable to Data Output Delay 20 pF load, TA = +25 °C
V
10
50 pF load over temp.
V
22
V
0.8 V
+10 µA
+10 µA
pF
V
0.4 V
ns
ns
ns
ns
Power Supply Requirements
Voltages OVDD
DVDD
AVDD
Currents AIDD
DIDD
Power Dissipation
fIN=1 MHz
IV
3.0
IV
4.75
5.0
IV
4.75
5.0
VI
9
VI
11
VI
100
5.0 V
5.25 V
5.25 V
12 mA
12 mA
120 mW
TEST LEVEL CODES
All electrical characteristics are subject to the
following conditions: All parameters having min/
max specifications are guaranteed. The Test
Level column indicates the specific device test-
ing actually performed during production and
Quality Assurance inspection. Any blank sec-
tion in the data column indicates that the speci-
fication is not tested at the specified condition.
TEST LEVEL
I
II
III
IV
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.
SPT
3
SPT7840
2/10/98
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