參數(shù)資料
型號(hào)： SPT7850SIS
廠商： SIGNAL PROCESSING TECHNOLOGIES
元件分類： ADC
英文描述： 10-BIT, 20 MSPS, 140 mW A/D CONVERTER
中文描述： 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28
封裝： SOIC-28
文件頁(yè)數(shù)： 3/13頁(yè)
文件大?。?/td> 97K
代理商： SPT7850SIS
3
6/15/01
SPT7850
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.
LEVEL
TEST PROCEDURE
I
100% production tested at the specified temperature.
100% production tested at T
A
= +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 characteri-
zation data.
Parameter is a typical value for information purposes only.
100% production tested at T
A
= +25
°
C. Parameter is guaranteed
over specified temperature range.
II
III
IV
V
VI
ELECTRICAL SPECIFICATIONS
T
A
=T
MIN
to T
MAX
, AV
DD
=DV
DD
=OV
DD
=+5.0 V, V
IN
=0 to 4 V,
CLK
=40 MHz,
S
=20 MSPS, V
RHS
=4.0 V, V
RLS
=0.0 V, unless otherwise specified.
TEST
CONDITIONS
TEST
LEVEL
SPT7850
TYP
PARAMETERS
MIN
MAX
UNITS
Dynamic Performance
Total Harmonic Distortion (THD)
IN
= 3.58 MHz
IN
= 10.3 MHz
Signal-to-Noise and Distortion
(SINAD)
IN
= 3.58 MHz
IN
= 10.3 MHz
Spurious Free Dynamic Range
VI
VI
56
53
59
56
dB
dB
VI
VI
V
52
50
55
53
63
dB
dB
dB
IN
= 1 MHz
Digital Inputs
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current Low
Maximum Input Current High
Input Capacitance
VI
VI
VI
VI
V
2.0
V
V
μA
μA
pF
0.8
+10
+10
–
10
–
10
5
Digital Outputs
Logic 1 Voltage
Logic 0 Voltage
t
RISE
t
FALL
Output Enable to Data Output Delay 20 pF load, T
A
= +25
°
C
I
OH
= 0.5 mA
I
OL
= 1.6 mA
15 pF load
15 pF load
VI
VI
V
V
V
V
3.5
V
V
ns
ns
ns
ns
0.4
10
10
10
22
50 pF load over temp.
Power Supply Requirements
Voltages
OV
DD
DV
DD
AV
DD
AI
DD
DI
DD
IV
IV
IV
VI
VI
VI
3.0
4.75
4.75
5.25
5.25
5.25
12
21
165
V
V
V
mA
mA
mW
5.0
5.0
10
18
140
Currents
Power Dissipation
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