# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Home > National > National Semiconductor LM6142 LM6144 17 MHz Rail-to-Rail Input-Output Operational Amplifiers Data Sheet Owner's Manual

National Semiconductor LM6142 LM6144 17 MHz Rail-to-Rail Input-Output Operational Amplifiers Data Sheet Owner's Manual

Summary

Discover the LM6142/LM6144 operational amplifiers, engineered for demanding portable and battery-operated systems. These high-performance op-amps provide superb rail-to-rail input and output swing across a wide 1.8V to 24V supply range. Optimized low power consumption (650µA) and maintaining a broad 17MHz bandwidth, they are perfect for instrumentation, depth sounders, barcode scanners, and wireless communication applications. The manual provides comprehensive details on electrical parameters, connection diagrams, and precise operating specifications.

📄 Preview 📖 Table of Contents Contents ‹ PAGE OF 16 ›
‹ National Semiconductor LM6142 LM6144 17 MHz Rail-to-Rail Input-Output Operational Amplifiers Data Sheet Owner's Manual - Page 1 ›

Page 1 Text Content

November

LM 6142/LM 6144,17 ail-to-R ail Input-O utput perational A plifiers

LM6142/LM6144 MHz Rail-to-Rail Input-Output Operational Amplifiers General Description Features Using patent pending new circuit topologies, the LM6142/ At VS 5V. Typ unless noted. LM6144 provides new levels of performance in applications Rail-to-rail input CMVR −0.25V to 5.25V where low voltage supplies or power limitations previously

Rail-to-rail output swing 0.005V to 4.995V

made compromise necessary. Operating on supplies of 1.8V

Wide gain-bandwidth: 17MHz at 50k Hz (typ)

to over 24V, the LM6142/LM6144 is an excellent choice for

Slew rate:

battery operated systems, portable instrumentation and oth-

Small signal, 5V/µs

Large signal, 30V/µs

The greater than rail-to-rail input voltage range eliminates

Low supply current 650µA/Amplifier

concern over exceeding the common-mode voltage range.

Wide supply range 1.8V to 24V

The rail-to-rail output swing provides the maximum possible

CMRR 107d B

dynamic range at the output. This is particularly important

Gain 108d B with RL 10k

when operating on low supply voltages.

PSRR 87d B

High gain-bandwidth with 650µA/Amplifier supply current opens new battery powered applications where previous

higher power consumption reduced battery life to unaccept- Applications

able levels. The ability to drive large capacitive loads without Battery operated instrumentation oscillating functionally removes this common problem.

Depth sounders/fish finders Barcode scanners Wireless communications Rail-to-rail in-out instrumentation amps

Connection Diagrams

8-Pin CDIP 8-Pin DIP/SO

View View

14-Pin DIP/SO

National Semiconductor Corporation DS012057 www.national.com

Page Summary Contents For National Semiconductor LM6142 LM6144 17 MHz Rail-to-Rail Input-Output Operational Amplifiers Data Sheet Owner's Manual

Page 1 November LM 6142/LM 6144,17 ail-to-R ail Input-O utput perational A plifiers LM6142/LM6144 MHz Rail-to-Rail Input-Output Operational Amplifiers General Description Features Using patent pending new ci...
Page 2 Absolute Maximum Ratings (Note 1) Operating Ratings (Note 1) If Military/Aerospace specified devices are required, LM /L Supply Voltage 1.8V V+ 24V please contact the National Semiconductor Sales Offi...
Page 3 5.0V DC Electrical Characteristics (Note 8) (Continued) LM 6142/LM Unless otherwise specified, all limits guaranteed for TA 25˚C, V+ 5.0V, V− 0V, VCM VO V+/2 and RL MΩ to V+/2. Boldface limits apply a...
Page 4 2.7V DC Electrical Characteristics (Note 8) Unless Otherwise Specified, All Limits Guaranteed for TA 25˚C, V+ 2.7V, V− 0V, VCM VO V+/2 and RL MΩ to LM /L V+/2. Boldface limits apply at the temperature...
Page 5 24V Electrical Characteristics (Note 8) LM 6142/LM Unless Otherwise Specified, All Limits Guaranteed for TA 25˚C, V+ 24V, V− 0V, VCM VO V+/2 and RL MΩ to V+/2. Boldface limits apply at the temperature...
Page 6 Typical Performance Characteristics TA 25˚C, RL kΩ Unless Otherwise Specified LM /L Supply Current vs. Supply Voltage Offset Voltage vs. Supply Voltage Bias Current vs. Supply Voltage Offset Voltage v...
Page 7 Typical Performance Characteristics TA 25˚C, RL kΩ Unless Otherwise LM 6142/LM Specified (Continued) Bias Current vs. VCM Bias Current vs. VCM Bias Current vs. VCM Open-Loop Transfer Function Open-Loo...
Page 8 Typical Performance Characteristics TA 25˚C, RL kΩ Unless Otherwise Specified (Continued) LM /L Output Voltage vs. Source Current Output Voltage vs. Source Current Output Voltage vs. Source Current Ou...
Page 9 Typical Performance Characteristics TA 25˚C, RL kΩ Unless Otherwise LM 6142/LM Specified (Continued) Gain and Phase vs. Load Gain and Phase vs. Load Distortion Noise vs. Frequency GBW vs. Supply Open ...
Page 10 Typical Performance Characteristics TA 25˚C, RL kΩ Unless Otherwise Specified (Continued) LM /L Open Loop Gain vs. Load, 24V Supply Unity Gain Frequency vs. VS CMRR vs. Frequency Crosstalk vs. Frequen...
Page 11 Typical Performance Characteristics TA 25˚C, RL kΩ Unless Otherwise LM 6142/LM Specified (Continued) Noise Current vs. Frequency NF vs. RSource LM6142/LM6144 Application Ideas The LM6142 brings new le...
Page 12 LM6142/LM6144 Application Ideas (Continued) LM /L FIGURE 4. FIGURE 2. These features allow the LM6142 to drive capacitive loads as large as 1000p F at unity gain and not oscillate. The scope photos (F...
Page 13 Typical Applications (Continued) The gain is set by the ratio of R2/R1 and R3 should equal R1 LM 6142/LM and R4 equal R2. Making R4 slightly smaller than R2 and lowers the input impedance. Any mismatc...
Page 14 Physical Dimensions inches (millimeters) unless otherwise noted LM /L 8-Pin Cerdip Dual-In-Line Package NS Package Number J08A 8-Pin Small Outline Package NS Package Number M08A www.national.com
Page 15 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LM 6142/LM 14-Pin Small Outline Package NS Package Number M14A 8-Pin Molded Dual-In-Line Package NS Package Number N08E www....
Page 16 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LM /L ,1 ai l-t o- ai l I np ut -O ut pu pe ra tio na l A pl ifi er 14-Pin Molded Dual-In-Line Package NS Package Number N14...

Manual Details

Brand National
Pages 16
File Size 865.26 KB
Published June 17, 2026
8 views

Enter the captcha to get the download link:

captcha

Frequently Asked Questions

What is the usable voltage range for this amplifier?

It operates on a wide supply range from 1.8V to 24V.

Can the amplifier be used in battery-powered applications?

Yes, it features a low supply current of 650µA/Amplifier and provides rail-to-rail output swing for maximizing battery life.

What is this device suitable for connecting outputs to? (Compatibility)

It is excellent for driving large capacitive loads without concern over the common-mode voltage range. Potential applications include depth sounders and barcode scanners.

How does its performance when voltage dips or increases? (Performance/Spec)

The device boasts a high Common Mode Rejection Ratio (CMRR) of 107dB, which is particularly important for maintaining signal quality on low supply voltages.

Related Manuals