LM7372ILD National Semiconductor, LM7372ILD Datasheet

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LM7372ILD

Manufacturer Part Number
LM7372ILD
Description
High Speed/ High Output Current/ Dual Operational Amplifier
Manufacturer
National Semiconductor
Datasheet

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© 2002 National Semiconductor Corporation
LM7372
High Speed, High Output Current, Dual Operational
Amplifier
General Description
The LM7372 is a high speed dual voltage feedback amplifier
that has the slewing characteristic of current feedback am-
plifiers; yet it can be used in all traditional voltage feedback
amplifier configurations.
The LM7372 is stable for gains as low as +2 or −1. It
provides a very high slew rate at 3000V/µs and a wide gain
bandwidth product of 120MHz, while consuming only
6.5mA/per amplifier of supply current. It is ideal for video and
high speed signal processing applications such as xDSL and
pulse amplifiers. With 150mA output current, the LM7372
can be used for video distribution, as a transformer driver or
as a laser diode driver.
Operation on
swings
signal-to-noise ratio. The LM7372 offers high SFDR and low
THD, ideal for ADC/DAC systems. In addition, the LM7372 is
specified for
The LM7372 is built on National’s Advance VIP
cally integrated PNP) complementary bipolar process.
Typical Application
and
±
±
5V operation for portable applications.
provides
15V power supplies allows for large signal
greater
FIGURE 1. Single Supply Application (SOIC-16)
dynamic
DS200049
range
III (Verti-
and
Features
n −80dBc highest harmonic distortion
n Very high slew rate: 3000V/µs
n Wide gain bandwidth product: 120MHz
n −3dB frequency
n Low supply current: 13mA (both amplifiers)
n High open loop gain: 85dB
n High output current: 150mA
n Differential gain and phase: 0.01%, 0.02˚
Applications
n HDSL and ADSL Drivers
n Multimedia broadcast systems
n Professional video cameras
n CATV/Fiber optics signal processing
n Pulse amplifiers and peak detectors
n HDTV amplifiers
@
A
V
= +2: 200MHz
20004903
@
1MHz, 2V
February 2002
www.national.com
PP

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LM7372ILD Summary of contents

Page 1

... The LM7372 is built on National’s Advance VIP cally integrated PNP) complementary bipolar process. Typical Application FIGURE 1. Single Supply Application (SOIC-16) © 2002 National Semiconductor Corporation Features n −80dBc highest harmonic distortion n Very high slew rate: 3000V/µs n Wide gain bandwidth product: 120MHz n − ...

Page 2

... V ) Ordering Information Symbol Temperature Range −40˚C to +85˚C LM7372IMA 16-Pin SOIC LM7372IMAX LM7372ILD 8-Pin LLP LM7372ILDX LM7372MR 8-Pin PSOP LM7372MRX www.national.com 8-Contact LLP 20004902 20004929 − or left Package Markiing Transport Media LM7372IMA LM7372IMA 2 ...

Page 3

... Absolute Maximum Ratings 3) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance Human Body Model Machine Model + − Suppy Voltage (V −V ) ± Differential Input Voltage (V = 15V) S Output Short Circuit to Ground (Note 3) Storage Temp ...

Page 4

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T extremes. Symbol Parameter I Supply Current (both Amps) S ± 15V AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T extremes. Symbol Parameter SR Slew ...

Page 5

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T extremes. Symbol Parameter PSRR Power Supply Rejection Ratio V Input Common-Mode Voltage Range CM A Large Signal Voltage Gain (Note Output Swing O I ...

Page 6

AC Electrical Characteristics Note 4: The maximum power dissipation is a function – All numbers apply for packages soldered directly into a PC board. The value for (JMAX 4sq. in ...

Page 7

Typical Performance Characteristics Harmonic Distortion vs. Output Level Harmonic Distortion vs. Output Level Harmonic Distortion vs. Load Resistance (Continued) Harmonic Distortion vs. Output Level 20004908 Harmonic Distortion vs. Output Level 20004910 Harmonic Distortion vs. Load Resistance 20004912 7 20004909 20004911 ...

Page 8

Typical Performance Characteristics Harmonic Distortion vs. Load Resistance Frequency Response Frequency Response www.national.com (Continued) Harmonic Distortion vs. Load Resistance 20004914 Frequency Response 20004916 Small Signal Pulse Response 20004918 8 20004915 20004917 20004920 ...

Page 9

Typical Performance Characteristics Large Signal Pulse Response Harmonic Distortion vs. Frequency Output Voltage vs. Output Current (Continued) Thermal Performance of 8ld-LLP 20004921 Input Bias Current (µA) vs. Temperature 20004927 20004924 9 20004922 20004923 www.national.com ...

Page 10

Simplified Schematic Diagram Application Notes The LM7372 is a high speed dual operational amplifier with a very high slew rate and very low distortion, yet like many other op amps used in conventional voltage feedback amplifier applications. Also, ...

Page 11

Application Notes (Continued) For each amplifier then, with an effective load each sine wave source, integration over the half cycle with a supply voltage V and a load voltage V S power dissipation ...

Page 12

Application Notes (Continued) tance of these packages below 100˚C/W by these methods and several manufacturers, including National, offer pack- age modifications to enhance the thermal characteristics. Improved removal of internal heat can be achieved by di- rectly connecting bond wires ...

Page 13

... FIGURE 3. Split Supply Application (LLP) Device LM7372MA LM7372ILD LM7372MR These free evaluation boards are shipped automatically when a device sample request is placed with National Semi- conductor. The DAP (die attach paddle) on the LLP-8, and the PSOP should be tied to V respective Evaluation Board documentation ...

Page 14

Physical Dimensions unless otherwise noted www.national.com inches (millimeters) 16-Pin SOIC NS Package Number M16A 8-Pin LLP NS Package Number LDC08A 14 ...

Page 15

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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