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HFA1245 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. HFA1245
Description  Dual, 420MHz, Low Power, Video, Current Feedback Operational Amplifier with Disable
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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HFA1245 Datasheet(HTML) 3 Page - Intersil Corporation

 
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3
Inverting Input Resistance
B
25
-
56
-
Input Capacitance
B
25
-
2.0
-
pF
Input Voltage Common Mode Range
(Implied by VIO CMRR, +RIN, and -IBIAS CMS
Tests)
A
25, 85
±1.8
±2.4
-
V
A
-40
±1.2
±1.7
-
V
Input Noise Voltage Density (Note 6)
f = 100kHz
B
25
-
3.5
-
nV/
√Hz
Non-Inverting Input Noise Current Density
(Note 6)
f = 100kHz
B
25
-
2.5
-
pA/
√Hz
Inverting Input Noise Current Density
(Note 6)
f = 100kHz
B
25
-
30
-
pA/
√Hz
TRANSFER CHARACTERISTICS
Open Loop Transimpedance Gain (Note 6)
B
25
-
500
-
k
AC CHARACTERISTICS
-3dB Bandwidth (VOUT = 0.2VP-P, Note 6)
AV = +1, +RS = 650Ω
B
25
-
260
-
MHz
AV = +2, RF = 750Ω
B
25
-
420
-
MHz
AV = -1, RF = 475Ω
B
25
-
280
-
MHz
Full Power Bandwidth
(VOUT = 5VP-P at AV = +2/-1,
4VP-P at AV = +1, Note 6)
AV = +1, +RS = 650Ω
B
25
-
150
-
MHz
AV = +2, RF = 750Ω
B
25
-
115
-
MHz
AV = -1, RF = 475Ω
B
25
-
160
-
MHz
Gain Flatness (AV = +2, RF = 750Ω,
VOUT = 0.2VP-P, Note 6)
To 25MHz
B
25
-
±0.04
-
dB
To 50MHz
B
25
-
±0.11
-
dB
Minimum Stable Gain
A
Full
-
1
-
V/V
Crosstalk (AV = +2, RF = 750Ω,
VOUT = 1VP-P, Notes 4, 6)
5MHz
B
25
-
-83
-
dB
10MHz
B
25
-
-77
-
dB
OUTPUT CHARACTERISTICS AV = +2, RF = 750Ω, Unless Otherwise Specified
Output Voltage Swing (Note 6)
AV = -1, RL = 100Ω
A25
±3
±3.4
-
V
A
Full
±2.8
±3-
V
Output Current (Note 6)
AV = -1, RL = 50Ω
A
25, 85
50
60
-
mA
A
-40
28
42
-
mA
Output Short Circuit Current
B
25
-
90
-
mA
Closed Loop Output Resistance (Note 6)
DC
B
25
-
0.07
-
Second Harmonic Distortion
(VOUT = 2VP-P)
10MHz
B
25
-
-50
-
dBc
20MHz
B
25
-
-45
-
dBc
Third Harmonic Distortion
(VOUT = 2VP-P)
10MHz
B
25
-
-57
-
dBc
20MHz
B
25
-
-50
-
dBc
3rd Order Intercept (Note 6)
20MHz
B
25
-
23
-
dBm
Reverse Isolation (S12, Note 6)
65MHz
B
25
-
60
-
dB
TRANSIENT CHARACTERISTICS AV = +2, RF = 750Ω, Unless Otherwise Specified
Rise and Fall Times (VOUT = 0.5VP-P)
Rise Time
B
25
-
0.9
-
ns
Fall Time
B
25
-
1.5
-
ns
Overshoot
(VOUT = 0.5VP-P, VIN tRISE = 1ns, Note 5)
+OS
B
25
-
5
-
%
-OS
B
25
-
10
-
%
Slew Rate (VOUT = 4VP-P, AV = +1,
RF = 560Ω, +RS = 650Ω)
+SR
B
25
-
1150
-
V/
µs
-SR (Note 7)
B
25
-
800
-
V/
µs
Electrical Specifications
VSUPPLY = ±5V, AV = +1, RF = 560Ω, RS = 650Ω, RL = 100Ω, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
(NOTE 3)
TEST
LEVEL
TEMP.
(oC)
MIN
TYP
MAX
UNITS
HFA1245


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