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LMH6643MA

In Stock: 6,952

Low Power and High Frequency

Manufacturers: Texas Instruments
Mfr.Part#:
LMH6643MA
Package/Case:
SOIC (D)-8
Lifecycle:
NRND
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LMH6643MA Information

Description

The LMH6643MA is a high-performance operational amplifier designed for demanding applications requiring low distortion, fast rise time, and wide bandwidth. Key features include:
High input impedance: ideal for driving long signal chains.
Low output capacitance: reduces settling time and minimizes loading effects.
Fast rise time: crucial for high-speed digital systems.
Wide operating temperature range: ensures reliable performance in a variety of environments. This op amp finds applications in areas like video distribution, medical imaging, radar systems, communication equipment, and test and measurement instruments.

Features

The LMH6643MA features high-speed amplification suitable for various applications. Key highlights include:

High Input Impedance

: 500 MΩ (typical), minimizing signal loss.

Low Output Capacitance

: 12 pF (typical), ensuring fast settling times.

Fast Rise Time

: 250 ns (minimum), suitable for high-frequency signals.

Thermal Performance and Low Power Consumption

: designed for efficient heat dissipation across a wide temperature range.

These features make the LMH6643MA an ideal choice for applications demanding speed, bandwidth, and low distortion levels.

Package

The LMH6643MA has a Package type of SOIC-8, which means it comes in an 8-pin Small Outline Integrated Circuit (SOIC) package.

Pinout

The LMH6643MA is an operational amplifier with a dual-channel, low-power design. It features 130MHz bandwidth, 75mA rail-to-rail output current, and an SOIC-8 package. In terms of pin count, the LMH6643MA has 8 pins (since it's an SOIC-8 package). However, to specify pin functions without listing them all would exceed the word limit. The manufacturer's data sheet provides detailed information on pin assignments and functions.

Manufacturer

The LMH6643MA is manufactured by Texas Instruments (TI). TI is a global semiconductor company, known for innovation in digital technology. With a focus on efficiency and high-performance solutions, Texas Instruments is well-suited to produce the LMH6643MA.

Applications

The LMH6643MA is a high-speed operational amplifier ideal for applications like video distribution, medical imaging, radar, and communication equipment. It's also suitable for test gear, precision instruments, aerospace defense.

Equivalent

The equivalent products for LMH6643MA include other high-speed, low-power operational amplifiers from Texas Instruments like LMH6621 or LMH664
These amps share similar features and performance characteristics.

Specifications

Architecture	Voltage FB	Number of channels	2
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	2.7	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	12.8
GBW (typ) (MHz)	57	BW at Acl (MHz)	130
Acl, min spec gain (V/V)	1	Slew rate (typ) (V/µs)	135
Vn at flatband (typ) (nV√Hz)	17	Vn at 1 kHz (typ) (nV√Hz)	17
Iq per channel (typ) (mA)	2.7	Vos (offset voltage at 25°C) (max) (mV)	5
Rail-to-rail	In to V-, Out	Rating	Catalog
Operating temperature range (°C)	-40 to 85	CMRR (typ) (dB)	95
Input bias current (max) (pA)	2600000	Offset drift (typ) (µV/°C)	5
Iout (typ) (mA)	115	2nd harmonic (dBc)	80
3rd harmonic (dBc)	65	Frequency of harmonic distortion measurement (MHz)	1
Package/Case	SOIC (D)-8

LMH6643MA FAQs

1.Q: What are some related parts to this dual-channel Op Amp?

A: Related Texas Instruments alternatives:

2.Q: Does this Op Amp meet automotive or industrial certification standards?

A: No, it is rated for industrial temperature range (-40°C to +85°C) but does not meet automotive (AEC-Q100) or PPAP standards.

3.Q: What are the recommended operating conditions for this Op Amp?

A: Recommended conditions:

4.Q: What is the thermal resistance (θJA) of the 8-SOIC package?

A: The thermal resistance (θJA) is typically ~160°C/W for the 8-SOIC package under standard mounting conditions.

5.Q: What are the absolute maximum ratings for this Op Amp?

A: Absolute maximum ratings:

6.Q: What are the typical applications for this high-speed Op Amp?

A: Typical applications include:

7.Q: What is the pinout configuration of this 8-SOIC Op Amp?

A: The 8-SOIC package has a standard dual Op Amp pinout:

8.Q: What are the key features of the Texas Instruments dual-channel operational amplifier (Op Amp) with 130MHz bandwidth and rail-to-rail output?

A: Key features include:

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