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參數(shù)資料
| 型號(hào)： | SPT7722SIT |
| 廠商： | SIGNAL PROCESSING TECHNOLOGIES |
| 元件分類： | ADC |
| 英文描述： | 8-bit, 250 MSPS A/D Converter with Demuxed Outputs |
| 中文描述： | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP44 |
| 封裝： | TQFP-44 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 217K |
| 代理商： | SPT7722SIT |
DATA SHEET
SPT7722
4
Rev. 1.0.2 December 2002
Electrical Specifications
(T
A
= T
Min
to T
Max
, AV
CC
= +5V, OV
DD
= +5V,
clk
= 250MHz, 50% duty cycle,
IN
= 70MHz, dual channel mode; unless otherwise noted)
Parameter
Conditions
Test
Level
Min.
Typ.
Max.
Unit
Clock and Reset Inputs
Diff Signal Amplitude (V
DIFF
)
Diff High Input Voltage (V
IHD
)
Diff Low Input Voltage (V
ILD
)
Diff Common Mode Input (V
CMD
)
SE High Input Voltage (V
IH
)
SE Low Input Voltage (V
IL
)
Input Current High (I
IH
)
Input Current Low (I
IL
)
Power Down & Mode Control Inputs (Single-Ended)
High Input Voltage
Low Input Voltage
Max Input Current Low
Max Input Current High <4.0V
Digital Outputs
Logic “1” Voltage
Logic “0” Voltage
T
R
/T
F
Data
(Diff & Single-Ended)
IV
IV
IV
IV
IV
IV
VI
VI
400
1.4
0
1.2
1.8
0
–100
–100
mV
pp
V
V
V
V
V
μ
A
μ
A
AV
CC
3.9
4.1
1.2
+100
+100
V
ID
= 1.5V
V
ID
= 1.5V
43
43
IV
IV
VI
VI
2.0
0
–100
–100
AV
CC
1.0
+100
+100
V
V
μ
A
μ
A
0.5
50
I
OH
= -0.5mA
I
OL
= +1.6mA
10pF load
OV
DD
= 3V
OV
DD
= 5V
10pF load
OV
DD
= 3V
OV
DD
= 5V
VI
VI
OV
DD
-0.2
V
V
0.2
V
V
3.3/3.0
2.3/1.9
ns
ns
T
R
/T
F
DCLK
V
V
1.2/1.0
0.7/0.6
ns
ns
NOTE:
All electrical characteristics are subject to the following condition:
All parameters having min/max specifications are guaranteed. The Test Level column indicates the specific devices 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 CODES:
Level
Test Procedure
I
100% production tested at the specified temperature.
II
100% production tested at T
A
= +25°C and sample tested at the specified temperatures.
II
QA sample tested only at the specified temperatures.
IV
Parameter is guaranteed (but not tested) by design and characterization data.
V
Parameter is a typical value for information purposes only.
VI
100% production tested at T
A
= +25°C. Parameter is guaranteed over specific temperature range.
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