LM7131ACM5 National Semiconductor, LM7131ACM5 Datasheet

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LM7131ACM5

Manufacturer Part Number
LM7131ACM5
Description
Tiny High Speed Single Supply Operational Amplifier
Manufacturer
National Semiconductor
Datasheet

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© 1999 National Semiconductor Corporation
LM7131
Tiny High Speed Single Supply Operational Amplifier
General Description
The LM7131 is a high speed bipolar operational amplifier
available in a tiny SOT23-5 package. This makes the
LM7131 ideal for space and weight critical designs. Single
supply voltages of 3V and 5V provides good video perfor-
mance, wide bandwidth, low distortion, and high PSRR and
CMRR. This makes the amplifier an excellent choice for
desktop and portable video and computing applications. The
amplifier is supplied in surface mount 8-pin and tiny
SOT23-5 packages.
Tiny amplifiers are so small they can be placed anywhere on
a board close to the signal source or next to an A-to-D input.
Good high speed performance at low voltage makes the
LM7131 a preferred part for battery powered designs.
Features
n Tiny SOT23-5 package saves space-typical circuit
Connection Diagrams
layouts take half the space of SO-8 designs.
8-Pin SO-8
8-Pin SO-8
8-Pin SO-8
8-Pin SO-8
5-Pin SOT 23-5
5-Pin SOT 23-5
5-Pin SOT 23-5
5-Pin SOT 23-5
Package
8-Pin SO-8
Top View
LM7131ACM
LM7131BCM
LM7131ACMX
LM7131BCMX
LM7131ACM5
LM7131BCM5
LM7131ACM5X
LM7131BCM5X
Information
Ordering
DS012313
DS012313-1
M08A
M08A
M08A
M08A
MA05A
MA05A
MA05A
MA05A
NSC Drawing
Number
n Guaranteed specs at 3V, 5V, and
n Typical supply current 7.0 mA at 5V, 6.5 mA at 3V
n 4V output swing with +5V single supply
n Typical total harmonic distortion of 0.1% at 4 MHz
n 70 MHz Gain-Bandwidth Product
n 90 MHz −3 dB bandwidth at 3V and 5V, Gain = +1
n Designed to drive popular video A/D converters
n 40 mA output can drive 50
n Differential gain and phase 0.25% and 0.75˚ at A
Applications
n Driving video A/D converters
n Video output for portable computers and PDAs
n Desktop teleconferencing
n High fidelity digital audio
n Video cards
LM7131ACM
LM7131BCM
LM7131ACM
LM7131BCM
A02A
A02B
A02A
A02B
Package
Marking
rails
rails
2.5k units tape and reel
2.5k units tape and reel
1k units on tape and reel
1k units on tape and reel
3k units tape and reel
3k units tape and reel
5-Pin SOT23-5
Top View
Supplied as
loads
±
5V supplies
September 1999
DS012313-2
www.national.com
V
= +2

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LM7131ACM5 Summary of contents

Page 1

... LM7131ACMX 8-Pin SO-8 LM7131BCMX 5-Pin SOT 23-5 LM7131ACM5 5-Pin SOT 23-5 LM7131BCM5 5-Pin SOT 23-5 LM7131ACM5X 5-Pin SOT 23-5 LM7131BCM5X © 1999 National Semiconductor Corporation DS012313 n Guaranteed specs at 3V, 5V, and n Typical supply current 7 5V, 6 output swing with +5V single supply n Typical total harmonic distortion of 0. MHz n 70 MHz Gain-Bandwidth Product n 90 MHz − ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Differential Input Voltage Voltage at Input/Output Pin (V + − Supply Voltage (V – Current at Input Pin Current at Output Pin (Note 3) Current at Power Supply Pin ...

Page 3

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T face limits apply at the temperature extremes. Symbol Parameter V Output Swing V O Low terminated Output Short Circuit Sourcing Current Sinking, V ...

Page 4

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T face limits apply at the temperature extremes. Symbol Parameter Rejection Ratio − PSRR Negative Power Supply Rejection Ratio V Input Common-Mode CM Voltage Range A Voltage Gain VOL ...

Page 5

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T face limits apply at the temperature extremes. Symbol Parameter Bandwidth e Input-Referred n Voltage Noise i Input-Referred n Current Noise ± Electrical Characteristics Unless otherwise specified, ...

Page 6

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T limits apply at the temperature extremes. Symbol Parameter T.H.D. Total Harmonic Distortion Differential Gain Differential Phase SR Slew Rate SR Slew Rate GBW Gain-Bandwidth Product Closed-Loop −3 ...

Page 7

Typical Performance Characteristics LM7131 Input Current vs Input Voltage @ 3V DS012313-30 LM7131 Voltage Noise vs @ Frequency 3V DS012313-33 LM7131 PSRR vs Frequency @ 5V DS012313-36 (Continued) LM7131 Input Current vs Input Voltage @ 5V DS012313-31 LM7131 Voltage Noise ...

Page 8

Typical Performance Characteristics LM7131 Driving RG- +3V V DS012313-39 LM7131 Cable Driver = + +5V V DS012313-42 LM7131 Driving 75' RG- +5V V DS012313-45 LM7131 Driving Flash = +1 ...

Page 9

Typical Performance Characteristics LM7131 Driving Flash = +5 A/D Load A @ +5V V With 2 pF Feedback Capacitor LM7131 Bode Plot @ 3V, 5V and 10V LM7131 Single Supply Bode Plot @ 3V, 5V and 10V Application Information GENERAL ...

Page 10

... Additional space savings parts are available in tiny packages from National Semiconductor, including low power amplifi- ers, precision voltage references, and voltage regulators. www.national.com Notes on Performance Curves and ...

Page 11

Notes on Performance Curves and Datasheet Limits Numbers in parentheses are measured fixture capacitances w/o DUT and load. Numbers in parentheses are measured fixture capacitances w/o DUT and load. Numbers in parentheses are measured fixture capacitances w/o DUT and load. ...

Page 12

Notes on Performance Curves and Datasheet Limits Numbers in parentheses are measured fixture capacitances w/o DUT and load. Numbers in parentheses are measured fixture capacitances w/o DUT and load. DRIVING TYPE 1175 FLASH A/D LOADS The circuits in Figures 6, ...

Page 13

Notes on Performance Curves and Datasheet Limits Numbers in parentheses are measured fixture capacitances w/o DUT and load. Numbers in parentheses are measured fixture capacitances w/o DUT and load. (Continued) = −1 FIGURE 6. Flash A ...

Page 14

Notes on Performance Curves and Datasheet Limits Numbers in parentheses are measured fixture capacitances w/o DUT and load. Numbers in parentheses are measured fixture capacitances w/o DUT and load. www.national.com (Continued FIGURE 8. Flash A ...

Page 15

Notes on Performance Curves and Datasheet Limits Numbers in parentheses are measured fixture capacitances w/o DUT and load. FIGURE 10. Flash A/D A Numbers in parentheses are measured fixture capacitances w/o DUT and load. Using the LM7131 LIMITS AND PRECAUTIONS ...

Page 16

Using the LM7131 (Continued) Gain of +2 FIGURE 12. Output Short Circuits The LM7131 has output short circuit protection, however not designed to withstand continuous short circuits, very fast high energy transient voltage or current spikes, or shorts ...

Page 17

Using the LM7131 (Continued) Feedback Resistor Values and Feedback Compensation Using large values of feedback resistances (roughly 2k) with low gains (such gains of 2) will result in degraded pulse re- sponse and ringing. The large resistance will form a ...

Page 18

Using the LM7131 (Continued) CCD Amplifiers The LM7131 has enough gain bandwidth to amplify low level signals from a CCD or similar image sensor and drive a flash analog-to-digital converter with one amplifier stage. Signals from CCDs, which are used ...

Page 19

... It is also useful as a driver for capacitive loads, such as sample and hold circuits, and audio analog to digital converters. If fast amplifiers with rail-to-rail output ranges are needed, please see the National Semiconductor LM6142 datasheet DS012313-23 www ...

Page 20

... DC offset in the output. This offset may be canceled by a resistor between the positive input and ground. Spice Macromodel A SPICE macromodel of the LM7131 and many other Na- tional Semiconductor op amps is available at no charge from your National Semiconductor representative. FIGURE 15. D/A Ouput Amplifier 20 DS012313-24 ...

Page 21

SOT-23-5 Tape and Reel Specification TAPE FORMAT # Cavaties Tape Section Leader (Start End) Carrier Trailer (Hub End) TAPE DIMENSIONS 8 mm 0.130 0.124 0.130 (3.3) (3.15) (3.3) Tape Size DIM A DIM Ao DIM B Cavity Status 0 (min) ...

Page 22

SOT-23-5 Tape and Reel Specification REEL DIMENSIONS 8 mm 7.00 0.059 330.00 1.50 Tape Size A B www.national.com (Continued) 0.512 0.795 2.165 0.331 +0.059/−0.000 13.00 20.20 55.00 8.4 + 1.50/−0. DS012313-26 0.567 W1 + 0.078/−0.039 ...

Page 23

... Physical Dimensions inches (millimeters) unless otherwise noted Order Package Number LM7131ACM5, LM7131ACM5X, LM7131BCM5 or LM7131BCM5X LIFE SUPPORT POLICY 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 ...

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