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PDF HA5025 Data sheet ( Hoja de datos )
| Número de pieza | HA5025 | |
| Descripción | Quad/ 125MHz Video Current Feedback Amplifier | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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HA5025
September 1998
File Number 3591.4
Quad, 125MHz Video
Current Feedback Amplifier
The HA5025 is a wide bandwidth high slew rate quad
amplifier 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 current feedback design allows the user to take
advantage of the amplifier’s bandwidth dependency on the
feedback resistor.
The performance of the HA5025 is very similar to the
popular Intersil HA-5020.
Pinout
HA5025
(PDIP, SOIC)
TOP VIEW
OUT1 1
-IN1 2
+IN1 3
V+ 4
+IN2 5
-IN2 6
OUT2 7
-+
-+
14 OUT4
13 -IN4
+- 12 +IN4
11 V-
+- 10 +IN3
9 -IN3
8 OUT3
Features
• Wide Unity Gain Bandwidth . . . . . . . . . . . . . . . . . 125MHz
• Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475V/µs
• Input Offset Voltage . . . . . . . . . . . . . . . . . . . . . . . . 800µV
• 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 Gain Block
• Video Distribution Amplifier/RGB Amplifier
• Flash A/D Driver
• Current to Voltage Converter
• Medical Imaging
• Radar and Imaging Systems
• Video Switching and Routing
Ordering Information
PART NUMBER
HA5025IP
HA5025IB
HA5025EVAL
TEMP.
RANGE (oC)
PACKAGE
PKG.
NO.
-40 to 85 14 Ld PDIP
E14.3
-40 to 85 14 Ld SOIC
M14.15
High Speed Op Amp DIP Evaluation Board
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 (Continued)
HA5025
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
Schematic Diagram (One Amplifier of Four)
V+
R2 R5
800 2.5K
QP1
QN5
R1
60K
QN1
R3
6K
QP2
QN6
QP4
R10
820 QP8
QP5
R11
1K
QN8
QP6
R12
280
+IN
QP9
R15
400
QP11
R19
400
QP14
QP10
R17 R18
280 280
R24
140
QN12
QP12
R20
140
C1
1.4pF
QP15
R29
R27 9.5
200 QP19
R31
5
QP16
QP20
R28
20
-IN
QN13
QP13
C2
1.4pF
QP17
QN17
R25
20
QN2
D1 QN4
QN3
R4 R33
800 800
V-
QP7
QN7
R13
1K
R9
820 QN9
QN10
R14
280
QN14
QN11
R16
400
QN15
R21
140
R22 R25
280 140
QN16
R23
400
QN18
R26
200
QN19
QN21
R32
5
R30
7
OUT
5
5 Page 
HA5025
Typical Performance Curves VSUPPLY = ±5V, AV = +1, RF = 1kΩ, RL = 400Ω, TA = 25oC, Unless Otherwise Specified (Continued)
40 4.0
30 +5V
+10V
+15V
20 3.8
10
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
DISABLE INPUT VOLTAGE (V)
FIGURE 32. SUPPLY CURRENT vs DISABLE INPUT VOLTAGE
30
VS = ±15V
20
VS = ±10V
10
VS = ±4.5V
0
0.01
0.10
1.00
LOAD RESISTANCE (kΩ)
10.00
FIGURE 34. OUTPUT SWING vs LOAD RESISTANCE
1.5
1.0
0.5
0.0
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (oC)
FIGURE 36. INPUT BIAS CURRENT CHANGE BETWEEN
CHANNELS vs TEMPERATURE
3.6
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (oC)
FIGURE 33. OUTPUT SWING vs TEMPERATURE
1.2
1.1
1.0
0.9
0.8
-60 -40 -20
0 20 40 60 80 100 120 140
TEMPERATURE (oC)
FIGURE 35. INPUT OFFSET VOLTAGE CHANGE BETWEEN
CHANNELS vs TEMPERATURE
-30
AV = +1
VOUT = 2VP-P
-40
-50
-60
-70
-80
0.1
1
FREQUENCY (MHz)
10
30
FIGURE 37. CHANNEL SEPARATION vs FREQUENCY
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HA5025.PDF ] | |
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