EL2445 INTERSIL [Intersil Corporation], EL2445 Datasheet

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EL2445

Manufacturer Part Number
EL2445
Description
Dual/Quad Low-Power 100MHz Gain-of-2 Stable Op Amp
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet

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Dual/Quad Low-Power 100MHz Gain-of-2
Stable Op Amp
cost monolithic operational amplifiers built on Elantec's
proprietary complementary bipolar process. The EL2245
and EL2445 are gain-of-2 stable and feature a 275V/µs slew
rate and 100MHz bandwidth at gain-of-2 while requiring only
5.2mA of supply current per amplifier.
The power supply operating range of the EL2245 and
EL2445 is from ±18V down to as little as ±2V. For single-
supply operation, the EL2245 and EL2445 operate from 36V
down to as little as 2.5V. The excellent power supply
operating range of the EL2245 and EL2445 makes them an
obvious choice for applications on a single +5V or +3V
supply.
The EL2245 and EL2445 also feature an extremely wide
output voltage swing of ±13.6V with V
R
R
single-supply operation at +5V, output voltage swing is an
excellent 0.3V to 3.8V with R
At a gain of +2, the EL2245 and EL2445 have a -3dB
bandwidth of 100MHz with a phase margin of 50°. Because
of their conventional voltage-feedback topology, the EL2245
and EL2445 allow the use of reactive or non-linear elements
in their feedback network. This versatility combined with low
cost and 75mA of output-current drive make the EL2245 and
EL2445 an ideal choice for price-sensitive applications
requiring low power and high speed.
L
L
= 1kΩ. At ±5V, output voltage swing is a wide ±3.8V with
= 500Ω and ±3.2V with R
The EL2245 and EL2445 are dual and
quad versions of the popular EL2045.
They are high speed, low power, low
®
L
L
1
= 150Ω. Furthermore, for
= 500Ω.
Data Sheet
S
= ±15V and
Copyright © Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• 100MHz gain-bandwidth
• Gain-of-2 stable
• Low supply current (per amplifier) - 5.2mA at V
• Wide supply range - 2.5V to 36V
• High slew rate - 275V/µs
• Fast-settling - 80ns to 0.1% for a 10V step
• Low differential gain - 0.02% at A
• Low differential phase - 0.07° at A
• Wide output voltage swing - ±13.6V with V
Applications
• Video amplifiers
• Single-supply amplifiers
• Active filters/integrators
• High speed signal processing
• ADC/DAC buffers
• Pulse/RF amplifiers
• Pin diode receivers
• Log amplifiers
Ordering Information
EL2245CN
EL2245CS
EL2245CS-T7
EL2245CS-T13
EL2445CN
EL2445CS
EL2445CS-T7
EL2445CS-T13
PART NUMBER
R
L
= 1kΩ
March 27, 2002
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
14-Pin SO (0.150")
14-Pin SO (0.150")
14-Pin SO (0.150")
14-Pin PDIP
PACKAGE
8-Pin PDIP
8-Pin SO
8-Pin SO
8-Pin SO
EL2245, EL2445
V
V
= +2, R
= +2, R
TAPE &
REEL
13”
13”
7”
7”
-
-
-
-
L
S
L
= 150Ω
= ±15V,
= 150Ω
S
FN7060
PKG. NO.
MDP0031
MDP0027
MDP0027
MDP0027
MDP0031
MDP0027
MDP0027
MDP0027
= ±15V

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EL2445 Summary of contents

Page 1

... The power supply operating range of the EL2245 and EL2445 is from ±18V down to as little as ±2V. For single- supply operation, the EL2245 and EL2445 operate from 36V down to as little as 2.5V. The excellent power supply ...

Page 2

... Pinouts EL2245 (8-PIN SO, PDIP) TOP VIEW OUT 1 IN1 IN1 EL2245, EL2445 V+ 8 OUT2 7 IN2- 6 IN2+ 5 EL2445 [14-PIN SO (0.150”), PDIP] TOP VIEW OUT1 OUT4 1 14 IN1 IN4 IN1 IN4 IN2 IN3 IN2- 9 IN3- 6 OUT2 ...

Page 3

... Power Supply Rejection Ratio CMRR Common-mode Rejection Ratio CMIR Common-mode Input Range V Output Voltage Swing OUT I Output Short Circuit Current SC 3 EL2245, EL2445 Power Dissipation (P Operating Temperature Range (T S Operating Junction Temperature (T Storage Temperature ( ±15V 1kΩ, unless otherwise specified. ...

Page 4

... For V = ±15V 20V . For V S OUT Vpeak). 3. Video performance measured ±15V levels across a back-terminated 75Ω load. For other values EL2245, EL2445 = ±15V 1kΩ, unless otherwise specified. (Continued CONDITION V = ±15V, no load ±5V, no load S Differential Common-mode ...

Page 5

... Frequency Response Open-Loop Gain and Phase vs Frequency CMRR, PSRR and Closed- Loop Output Resistance vs Frequency Supply Current vs Supply Voltage 5 EL2245, EL2445 Inverting Frequency Frequency Response for Response Various Load Resistances Output Voltage Swing vs Frequency Equivalent Input Noise 2nd and 3rd Harmonic ...

Page 6

... Typical Performance Curves Gain-Bandwidth Product vs Supply Voltage Bias and Offset Current vs Input Common-Mode Voltage Offset Voltage vs Temperature Gain-Bandwidth Product vs Temperature 6 EL2245, EL2445 (Continued) Open-Loop Gain vs Supply Voltage Open-Loop Gain vs Load Resistance Bias and Output Current vs Temperature Open-Loop Gain PSRR and CMRR vs Temperature ...

Page 7

... Typical Performance Curves Short-Circuit Current vs Temperature Differential Gain and Phase vs DC Input Offset at 3.58MHz Differential Gain and Phase vs Number of 150Ω Loads at 4.43MHz 7 EL2245, EL2445 (Continued) Small-Signal Step Response Differential Gain and Phase vs DC Input Offset at 4.43MHz Channel Separation vs Frequency Large-Signal ...

Page 8

... PDIP8 0.8 θ =100°C/W JA 0.6 0.4 0 Ambient Temperature (°C) Simplified Schematic (Per Amplifier) 8 EL2245, EL2445 (Continued) Overshoot vs Load Capacitance 100 1k 10k 50 Package Power Dissipation vs Ambient Temperature JEDEC JESD51-3 Low Effective Thermal Conductivity (Single Layer) Test Board 1 ...

Page 9

... Power Dissipation With the wide power supply range and large output drive capability of the EL2245 and EL2445 possible to exceed the 150°C maximum junction temperatures under certain load and power-supply conditions therefore important to calculate the maximum junction temperature (T ...

Page 10

... EL2445 have been designed so that this “extra” bandwidth in low-gain applications does not come at the expense of stability. As seen in the typical performance curves, the EL2245 and EL2445 in a gain of +2 only exhibit 1.0dB of peaking with a 1kΩ load. Video Performance An industry-standard method of measuring the video ...

Page 11

... EL2245 and EL2445 Macromodel * Connections: +input * | -input * | | +Vsupply * | | | -Vsupply * | | | | output * | | | | | .subckt M2245 Input stage * 1mA 400 400 rc1 4 30 850 rc2 4 39 850 qpa ediff 1.0 rdiff 33 0 1Meg * * Compensation Section ...

Page 12

... EL2245 and EL2445 Macromodel All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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