SPT7852 Просмотр технического описания (PDF) - Signal Processing Technologies
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SPT7852 Datasheet PDF : 11 Pages
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ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, AVDD = DVDD = +5.0 V, VIN =0 to 4 V, ƒS =20 MSPS, ƒCLK =40 MHz, VRHS = 4.0 V, VRLS =0.0 V, unless otherwise specified.
PARAMETERS
TEST
CONDITIONS
TEST
LEVEL
MIN
TYP
MAX UNITS
Dynamic Performance
Signal-to-Noise Ratio
(without Harmonics)
ƒIN=3.58 MHz
VI
ƒIN=10 MHz
VI
Harmonic Distortion
ƒIN=3.58 MHz
VI
ƒIN=10 MHz
VI
Signal-to-Noise and Distortion
(SINAD)
ƒIN=3.58 MHz
VI
ƒIN=10 MHz
VI
Channel-to-Channel Crosstalk
ƒIN=3.58 MHz
IV
Channel-to-Channel Gain Matching Full Scale
IV
Spurious Free Dynamic Range
ƒIN=3.58 MHz @ –3 dB FS
V
Differential Phase
V
Differential Gain
V
53
57
52
56
56
59
52
54
52
55
49
52
70
0.04
66
0.2
0.3
Digital Inputs
Logic "1" Voltage
Logic "0" Voltage
Maximum Input Current Low
Maximum Input Current High
Input Capacitance
VIL=0 V
VIH=5 V
VI
2.0
VI
VI
–10
VI
–10
V
5
Digital Outputs
Logic "1" Voltage
Logic "0" Voltage
tRISE/tFALL
Output Enable to Data Output Delay
IOH=0.5 mA
IOS=1.6 mA
15 pF Load
20 pF Load, TA=+25 °C
50 pF Load Over Temp.
VI
OVDD–0.5
VI
V
10
V
10
V
22
Power Supply Requirements
Voltages DVDD
AVDD
OVDD
Currents AIDD
DIDD
Power Dissipation
IV
4.75
5.0
IV
4.75
5.0
IV
2.7
5.0
Total for Both Converter
VI
15
Channels
VI
17
VI
160
dB
dB
dB
dB
dB
dB
dB
dB
dB
Degree
%
V
0.8 V
+10 µA
+10 µA
pF
V
0.4 V
ns
ns
ns
5.25 V
5.25 V
5.25 V
18 mA
20 mA
190 mW
TEST LEVEL CODES
All electrical characteristics are subject to the follow-
ing conditions:
All parameters having min/max specifications are
guaranteed. The Test Level column indicates the
specific device testing actually performed during
production and Quality Assurance inspection. Any
blank section in the data column indicates that the
specification 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 char-
acterization data.
Parameter is a typical value for information purposes only.
100% production tested at TA = +25 °C. Parameter is guaran-
teed over specified temperature range.
SPT
3
SPT7852
1/12/00
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