National Semiconductor MNLMH6628-X-RH REV 0A0 Data Sheet
Summary
Discover the LMH6628, a high-performance, dual ultra low-noise operational amplifier designed for demanding analog and RF applications. This circuit offers a massive dynamic range, 300MHz bandwidth, and extremely low harmonic distortion (-65/-74dBc), making it ideal for matched I/Q channels and active filtering. The comprehensive manual provides detailed electrical specifications (including guaranteed performance data under MIL-STD-883 testing), operating parameters, package options, and advanced applications—perfect for system designers building high-speed detectors, differential line drivers, or anti-aliasing filters that require unparalleled signal integrity.
Page 1 Text Content
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MICROCIRCUIT DATA SHEET Original Creation Date: 04/29/03
MNLMH6628-X-RH REV 0A0
Last Update Date: 05/13/03
Last Major Revision Date:
DUAL WIDEBAND, LOW-NOISE, VOLTAGE FEEDBACK OP AMP, GUARANTEED TO 300k rd(Si) TESTED TO MIL-STD-883, METHOD 1019 General Description The National LMH6628 is a high speed dual op amp that offers a traditional voltage feedback topology featuring unity-gain stability and slew-enhanced circuitry. The LMH6628's low noise and very low harmonic distortion combine to form a very wide dynamic range op amp that operates from a single (5 to 12V) or dual (+5V) power supply. Each of the LMH6628's closely matched channels provides a 300MHz unity gain bandwidth and low input voltage noise density (2n V/Sq Rt Hz). Low 2nd/3rd harmonic distortion (-65/-74d Bc at 10MHz) makes the LMH6628 a perfect wide dynamic-range amplifier for matched I/Q channels. With its fast and accurate settling (12ns to 0.1%), the LMH6628 is also an excellent choice for wide dynamic range, anti-aliasing filters to buffer the inputs of hi resolution analog-to-digital converters. Combining the LMH6628's two tightly matched amplifiers in a single package reduces cost and board space for many composite amplifier applications such as active filters, differential line drivers/receivers, fast peak detectors and instrumentation amplifiers. The LMH6628 is fabricated using National's VIP 10 (TM) comlimentary bipolar process.
Industry Part Number NS Part Numbers LMH6628 LMH6628J-QML
LMH6628J-QMLV LMH6628JFQML Prime Die LMH6628JFQMLV LMH6628WG-QML LMH6628WG-QMLV
LMH6628A
LMH6628WGFQML LMH6628WGFQMLV
Controlling Document SEE FEATURES SECTION
Processing Subgrp Description Temp ( C)o MIL-STD-883, Method 5004 Static tests at +25
Static tests at +125 Static tests at -55 Quality Conformance Inspection Dynamic tests at +25 Dynamic tests at +125 Dynamic tests at -55
MIL-STD-883, Method 5005
Functional tests at +25
8A Functional tests at +125 8B Functional tests at -55
Switching tests at +25 Switching tests at +125 Switching tests at -55
Page Summary Contents For National Semiconductor MNLMH6628-X-RH REV 0A0 Data Sheet
Manual Details
| Brand | National |
|---|---|
| Pages | 12 |
| File Size | 180.51 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the core frequency and noise performance of this op amp?
It has a 300MHz unity gain bandwidth and low input voltage noise density (2.0nV/SqRtHz).
What power supply range can I use for the LMH6628?
It supports a wide supply voltage range of +2.5V to +6V, or dual (+5V) power.
What is the recommended operating environment temperature range?
The ambient operating temperature range is -55°C to +125°C.
Does the device operate safely when short-circuited?
Yes, the output is short circuit protected to ground, although current should not exceed 160mA for maximum reliability.