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EL2244CN Schematic ( PDF Datasheet ) - Elantec Semiconductor

Teilenummer EL2244CN
Beschreibung Dual/Quad Low-Power 120MHz Unity-Gain Stable Op Amp
Hersteller Elantec Semiconductor
Logo Elantec Semiconductor Logo 




Gesamt 16 Seiten
EL2244CN Datasheet, Funktion
EL2244C, EL2444C
Dual/Quad Low-Power 120MHz Unity-Gain Stable Op Amp
Features
• 120MHz gain-bandwidth product
• Unity-gain stable
• Low supply current (per amplifier)
- 5.2mA at VS = ±15V
• Wide supply range - ±2V to ±18V
dual-supply, 2.5V to 36V single-
supply
• High slew rate - 325V/µs
• Fast settling - 80ns to 0.1% for a
10V step
• Low differential gain - 0.04% at
AV = +2, RL = 150¾
• Low differential phase - 0.15° at
AV = +2, RL = 150
• Stable w/ unlimited capacitive load
• Wide output voltage swing -
±13.6V with VS = ±15V, RL =
1000Ω, 3.8V/0.3V with VS = +5V,
RL = 500
• Low cost, enhanced replacement
for the AD827
andLT1229/LT1230
Applications
• Video amplifier
• Single-supply amplifier
• Active filters/integrators
• High-speed sample-and-hold
• High-speed signal processing
• ADC/DAC buffer
• Pulse/RF amplifier
• Pin diode receiver
• Log amplifier
• Photo multiplier amplifier
• Difference amplifier
Ordering Information
Part No.
EL2244CN
EL2244CS
EL2444CN
EL2444CS
EL2444CM
Temp. Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Package
8-Pin P-DIP
8-Lead SO
14-Pin P-DIP
14-Lead SO
16-Lead SOL
Outline #
MDP0031
MDP0027
MDP0031
MDP0027
MDP0027
General Description
The EL2244C/EL2444C are dual and quad versions of the popular
EL2044C. They are high speed, low power, low cost monolithic oper-
ational amplifiers built on Elantec's proprietary complementary
bipolar process. The EL2244C/EL2444C are unity-gain stable and
feature a 325V/µs slew rate and 120MHz gain-bandwidth product
while requiring only 5.2mA of supply current per amplifier.
The power supply operating range of the EL2244C/EL2444C is from
±18V down to as little as ±2V. For single-supply operation, the
EL2244C/EL2444C operate from 36V down to as little as 2.5V. The
excellent power supply operating range of the EL2244C/EL2444C
makes them an obvious choice for applications on a single +5V or
+3V supply.
The EL2244C/EL2444C also feature an extremely wide output volt-
age swing of ±13.6V with VS = ±15V and RL = 1000. At ±5V,
output voltage swing is a wide ±3.8V with RL = 500and ±3.2V with
RL = 150. Furthermore, for single-supply operation at +5V, output
voltage swing is an excellent 0.3V to 3.8V with RL = 500.
At a gain of +1, the EL2244C/EL2444C have a -3dB bandwidth of
120MHz with a phase margin of 50°. They can drive unlimited load
capacitance, andwww.DataSheet.net/ because of their conventional voltage-feedback
topology, the EL2244C/EL2444C allow the use of reactive or non-lin-
ear elements in their feedback network. This versatility combined with
low cost and 75mA of output-current drive make the
EL2244C/EL2444C an ideal choice for price-sensitive applications
requiring low power and high speed.
Connection Diagrams
EL2244CN/CS
Dual
EL2444CN/CS
Quad
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
© 2001 Elantec Semiconductor, Inc.
Datasheet pdf - http://www.DataSheet4U.co.kr/






EL2244CN Datasheet, Funktion
EL2244C, EL2444C
Dual/Quad Low-Power 120MHz Unity-Gain Stable Op Amp
Gain-Bandwidth Product
vs Supply Voltage
Open-Loop Gain
vs Supply Voltage
Slew-Rate vs
Supply Voltage
Bias and Offset Current
vs Input Common-Mode Voltage
Open-Loop Gain
vs Load Resistance
Voltage Swing
vs Load Resistance
Offset Voltage
vs Temperature
www.DataSheet.net/
Bias and Offset
Current vs Temperature
Supply Current
vs Temperature
Gain-Bandwidth Product
vs Temperature
Open-Loop Gain, PSRR
and CMRR vs Temperature
Slew Rate vs
Temperature
6
Datasheet pdf - http://www.DataSheet4U.co.kr/

6 Page









EL2244CN pdf, datenblatt
EL2244C, EL2444C
Dual/Quad Low-Power 120MHz Unity-Gain Stable Op Amp
good AC performance, parasitic capacitances should be
kept to a minimum at both inputs and at the output.
Resistor values should be kept under 5 kbecause of
the RC time constants associated with the parasitic
capacitance. Metal-film and carbon resistors are both
acceptable, use of wire-wound resistors is not recom-
mended because of their parasitic inductance. Similarly,
capacitors should be low-inductance for best
performance.
The EL2244C/EL2444C Macromodel
This macromodel has been developed to assist the user
in simulating the EL2244C/EL2444C with surrounding
circuitry. It has been developed for the PSPICE simula-
tor (copywritten by the Microsim Corporation), and may
need to be rearranged for other simulators. It approxi-
mates DC, AC, and transient response for resistive
loads, but does not accurately model capacitive loading.
This model is slightly more complicated than the models
used for low-frequency op-amps, but it is much more
accurate for AC analysis.
The model does not simulate these characteristics
accurately:
noise
settling-time
CMRR
PSRR
non-linearities
temperature effects
manufacturing variations
www.DataSheet.net/
12
Datasheet pdf - http://www.DataSheet4U.co.kr/

12 Page





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