參數(shù)資料
型號(hào)： HFA1245
廠商： Intersil Corporation
英文描述： Dual, 420MHz, Low Power, Video, Current Feedback Operational Amplifier with Disable(雙路、420MHz低功耗、電流反饋視頻運(yùn)算放大器)
中文描述： 雙通道，420MHz，低功耗，視頻，具有禁用電流反饋運(yùn)算放大器（雙路，420MHz低功耗，電流反饋視頻運(yùn)算放大器）
文件頁數(shù)： 4/14頁
文件大?。?/td> 248K
代理商： HFA1245
4
Slew Rate (V
OUT
= 5V
P-P
, A
V
= +2)
+SR
B
25
-
1400
-
V/
μ
s
V/
μ
s
V/
μ
s
V/
μ
s
-SR (Note 7)
B
25
-
800
-
Slew Rate
(V
OUT
= 5V
P-P
, A
V
= -1, R
F
= 475
)
+SR
B
25
-
2200
-
-SR (Note 7)
B
25
-
1200
-
Settling Time (V
OUT
= +2V to 0V step,
Note 6)
To 0.1%
B
25
-
15
-
ns
To 0.05%
B
25
-
20
-
ns
To 0.02%
B
25
-
40
-
ns
Overdrive Recovery Time
V
IN
=
±
2V
B
25
-
8.5
-
ns
VIDEO CHARACTERISTICS
A
V
= +2, R
F
= 750
,
Unless Otherwise Specified
Differential Gain (f = 3.58MHz)
R
L
= 150
R
L
= 75
R
L
= 150
R
L
= 75
B
25
-
0.02
-
%
B
25
-
0.03
-
%
Differential Phase (f = 3.58MHz)
B
25
-
0.03
-
Degrees
B
25
-
0.05
-
Degrees
DISABLE CHARACTERISTICS
Disabled Supply Current
V
DISABLE
= 0V
Low
A
Full
-
3
4
mA/Op Amp
DISABLE Input Logic Voltage
A
Full
-
-
0.8
V
High
A
25, 85
2.0
-
-
V
A
-40
2.4
-
-
V
DISABLE Input Logic Low Current
V
DISABLE
= 0V
V
DISABLE
= 5V
V
OUT
=
±
1V,
V
DISABLE
= 2.4V to 0.4V
V
OUT
=
±
1V,
V
DISABLE
= 0.4V to 2.4V
V
DISABLE
= 0V
V
DISABLE
= 0V,
V
IN
= +2V, V
OUT
=
±
3V
At 5MHz
A
Full
-
100
200
μ
A
μ
A
DISABLE Input Logic High Current
A
Full
-
1
15
Output Disable Time (Note 6)
B
25
-
30
-
ns
Output Enable Time (Note 6)
B
25
-
150
-
ns
Disabled Output Capacitance
B
25
-
4.5
-
pF
Disabled Output Leakage (Note 6)
A
Full
-
2
10
μ
A
All Hostile Off Isolation (V
DISABLE
= 0V,
V
IN
= 1V
P-P
, A
V
= +2, Note 6)
B
25
-
65
-
dB
At 10MHz
B
25
-
60
-
dB
POWER SUPPLY CHARACTERISTICS
Power Supply Range
C
25
±
4.5
-
±
5.5
V
Power Supply Current (Note 6)
A
25
5.6
5.8
6.1
mA/Op Amp
A
Full
5.4
5.9
6.3
mA/Op Amp
NOTES:
3. Test Level: A. Production Tested; B. Typical or Guaranteed Limit Based on Characterization; C. Design Typical for Information Only.
4. The typical use for these amplifiers is in multiplexed configurations, where one amplifier (hostile channel) is enabled, and the passive channel
is disabled. The crosstalk data specified is tested in this manner, with the input signal applied to the hostile channel, while monitoring the output
of the passive channel. Crosstalk performance with both the hostile and passive channels enabled is typically -63dB at 5MHz, and -58dB at
10MHz.
5. Undershoot dominates for output signal swings below GND (e.g., 0.5V
P-P
), yielding a higher overshoot limit compared to the
V
OUT
= 0V to 0.5V condition. See the “Application Information“ section for details.
6. See Typical Performance Curves for more information.
7. Slew rates are asymmetrical if the output swings below GND (e.g., a bipolar signal). Positive unipolar output signals have symmetric positive
and negative slew rates comparable to the +SR specification. See the “Application Information” section, and the pulse response graphs for
details.
Electrical Specifications
V
SUPPLY
=
±
5V, A
V
= +1, R
F
= 560
, R
S
= 650
, R
L
= 100
, Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
(NOTE 3)
TEST
LEVEL
TEMP.
(
o
C)
MIN
TYP
MAX
UNITS
HFA1245
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HFA1245_04 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual, 420MHz, Low Power, Video, Current Feedback Operational Amplifier with Disable
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