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PDF HA5022 Data sheet ( Hoja de datos )
| Número de pieza | HA5022 | |
| Descripción | Dual/ 125MHz/ Video Current Feedback Amplifier with Disable | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Data Sheet
HA5022
May 1999 File Number 3392.6
Dual, 125MHz, Video Current Feedback
Amplifier with Disable
The HA5022 is a dual version of the popular Intersil HA5020.
It features wide bandwidth and high slew rate, and is
optimized for video applications and gains between 1 and
10. It is a current feedback amplifier and thus yields less
bandwidth degradation at high closed loop gains than
voltage feedback amplifiers.
The low differential gain and phase, 0.1dB gain flatness, and
ability to drive two back terminated 75Ω cables, make this
amplifier ideal for demanding video applications.
The HA5022 also features a disable function that
significantly reduces supply current while forcing the output
to a true high impedance state. This functionality allows 2:1
video multiplexers to be implemented with a single IC.
The current feedback design allows the user to take
advantage of the amplifier’s bandwidth dependency on the
feedback resistor. By reducing RF, the bandwidth can be
increased to compensate for decreases at higher closed
loop gains or heavy output loads.
Ordering Information
PART NUMBER
HA5022IP
HA5022IB
TEMP.
RANGE (oC)
PACKAGE
-40 to 85 16 Ld PDIP
-40 to 85 16 Ld SOIC
PKG.
NO.
E16.3
M16.15
HA5022EVAL
High Speed Op Amp DIP Evaluation Board
Features
• Dual Version of HA-5020
• Individual Output Enable/Disable
• Input Offset Voltage . . . . . . . . . . . . . . . . . . . . . . . . 800µV
• Wide Unity Gain Bandwidth . . . . . . . . . . . . . . . . . 125MHz
• Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475V/µs
• Differential Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.03%
• Differential Phase . . . . . . . . . . . . . . . . . . . . 0.03 Degrees
• Supply Current (per Amplifier) . . . . . . . . . . . . . . . . 7.5mA
• ESD Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4000V
• Guaranteed Specifications at ±5V Supplies
Applications
• Video Multiplexers; Video Switching and Routing
• Video Gain Block
• Video Distribution Amplifier/RGB Amplifier
• Flash A/D Driver
• Current to Voltage Converter
• Medical Imaging
• Radar and Imaging Systems
Pinout
HA5022
(PDIP, SOIC)
TOP VIEW
-IN1 1
+IN1 2
DIS1 3
V- 4
DIS2 5
+IN2 6
-IN2 7
NC 8
-
+
+-
16 OUT1
15 NC
14 NC
13 V+
12 NC
11 NC
10 OUT2
9 NC
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
1 page  
Test Circuits and Waveforms
HA5022
+-
DUT
HP4195
NETWORK
ANALYZER
50Ω
50Ω
FIGURE 1. TEST CIRCUIT FOR TRANSIMPEDANCE MEASUREMENTS
(NOTE 17)
VIN
100Ω
DUT
+-
50Ω
RF, 1kΩ
VOUT
RL
100Ω
(NOTE 17)
VIN
100Ω
DUT
+-
50Ω
RI
681Ω
RF, 681Ω
RL
400Ω
VOUT
FIGURE 2. SMALL SIGNAL PULSE RESPONSE CIRCUIT
FIGURE 3. LARGE SIGNAL PULSE RESPONSE CIRCUIT
NOTE:
17. A series input resistor of ≥100Ω is recommended to limit input currents in case input signals are present before the HA5022 is powered up.
Vertical Scale: VIN = 100mV/Div., VOUT = 100mV/Div.
Horizontal Scale: 20ns/Div.
FIGURE 4. SMALL SIGNAL RESPONSE
Vertical Scale: VIN = 1V/Div., VOUT = 1V/Div.
Horizontal Scale: 50ns/Div.
FIGURE 5. LARGE SIGNAL RESPONSE
5
5 Page 
HA5022
Typical Performance Curves VSUPPLY = ±5V, AV = +1, RF = 1kΩ, RL = 400Ω, TA = 25oC, Unless Otherwise Specified (Continued)
80 16
VOUT = 0.2VP-P
CL = 10pF
VOUT = 0.1VP-P
CL = 10pF
AV = +10
VSUPPLY = ±5V, AV = +2
60
12
40
20
0
200
350 500 650
FEEDBACK RESISTOR (Ω)
800
950
FIGURE 17. BANDWIDTH vs FEEDBACK RESISTANCE
0.10
0.08
0.06
0.04
FREQUENCY = 3.58MHz
RL = 75Ω
RL = 150Ω
0.02
0.00
3
RL = 1kΩ
5 7 9 11 13 15
SUPPLY VOLTAGE (±V)
FIGURE 19. DIFFERENTIAL GAIN vs SUPPLY VOLTAGE
-40
VOUT = 2.0VP-P
CL = 30pF
-50
-60
-70 HD2
-80
HD2
3RD ORDER IMD
HD3
-90
0.3
HD3
1
FREQUENCY (MHz)
FIGURE 21. DISTORTION vs FREQUENCY
10
6 VSUPPLY = ±15V, AV = +2
VSUPPLY = ±5V, AV = +1
VSUPPLY = ±15V, AV = +1
0
0 200 400 600 800
LOAD RESISTANCE (Ω)
FIGURE 18. SMALL SIGNAL OVERSHOOT vs LOAD
RESISTANCE
0.08
FREQUENCY = 3.58MHz
1000
0.06
0.04
RL = 150Ω
RL = 75Ω
0.02
RL = 1kΩ
0.00
3
5 7 9 11
SUPPLY VOLTAGE (±V)
13 15
FIGURE 20. DIFFERENTIAL PHASE vs SUPPLY VOLTAGE
AV = +1
0
-10
-20
-30
-40
-50 CMRR
-60
-70
-80
NEGATIVE PSRR
POSITIVE PSRR
0.001
0.01
0.1
1
FREQUENCY (MHz)
10
FIGURE 22. REJECTION RATIOS vs FREQUENCY
30
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet HA5022.PDF ] | |
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