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LMH6882SQ/NOPB

2.4 GHz Dual Programmable Differential Amplifier with Gain Control

Manufacturer:

Texas Instruments
Mfr.Part #:

LMH6882SQ/NOPB
Datasheet:

LMH6882SQ/NOPB Datasheet (PDF)
Series:

LMH6882
Number of Channels:

2 Channel
GBP - Gain Bandwidth Product:

2.4 GHz
SR - Slew Rate:

6 kV/us
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LMH6882SQ/NOPB General Description

The LMH6882 is a high-speed, high-performance programmable differential amplifier. With a bandwidth of 2.4 GHz and high linearity of 42 dBm OIP3, the LMH6882 is suitable for a wide variety of signal conditioning applications.

The LMH6882 programmable differential amplifier combines the best of both fully differential amplifiers and variable-gain amplifiers. The device offers superior noise and distortion performance over the entire gain range without external resistors, enabling the use of just one device and one design for multiple applications requiring different gain settings.

The LMH6882 is an easy-to-use amplifier that can replace both fully differential, fixed-gain amplifiers as well as variable-gain amplifiers. The LMH6882 requires no external gain-setting components and supports gain settings from 6 dB to 26 dB with small, accurate 0.25-dB gain steps. As shown in the adjacent voltage gain chart the gain steps are very accurate over the entire gain range. With an input impedance of 100 Ω, the LMH6882 is easy to drive from a variety of sources such as mixers or filters. The LMH6882 also supports 50-Ω single-ended signal sources and supports DC- and AC-coupled applications.

Parallel gain control allows the LMH6882 to be soldered down in a fixed-gain so that no control circuit is required. If dynamic gain control is desired, the LMH6882 can be changed with SPI™ serial commands or with the parallel pins.

The LMH6882 is fabricated in TIs CBiCMOS8 proprietary complementary silicon germanium process and is available in a space-saving, thermally enhanced 36-pin WQFN package. The same amplifier is offered in a single package as the LMH6881.

Key Features

Small Signal Bandwidth: 2400 MHz
OIP3 @ 100 MHz: 42 dBm
HD3 @ 100 MHz: –100 dBc
Noise Figure: 9.7 dB
Voltage Gain: 26 dB to 6 dB
Voltage Gain Step Size: 0.25 dB
Input Impedance: 100 Ω
Parallel and Serial Gain Control
Power Down Capability

Specifications

Product Category	Differential Amplifiers	Series	LMH6882
Number of Channels	2 Channel	GBP - Gain Bandwidth Product	2.4 GHz
SR - Slew Rate	6 kV/us	CMRR - Common Mode Rejection Ratio	- 40 dB
Supply Voltage - Max	5.25 V	Supply Voltage - Min	4.75 V
Operating Supply Current	200 mA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Mounting Style	SMD/SMT
Amplifier Type	VGA	Gain V/V	2 V/V
Moisture Sensitive	Yes	Product	Differential Amplifiers
Product Type	Differential Amplifiers	Factory Pack Quantity	1000
Subcategory	Amplifier ICs	Unit Weight	0.003122 oz