LMH2832IRHAT Amplifiers & Comparators by Texas Instruments

VAR GAIN AMP DUAL 39DB 1.1GHZ VQFN40

Status: Unknown
Series: LMH2832 Series
RoHS: Unknown
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The LMH2832 is a high-linearity, dual-channel, digital variable-gain amplifier (DVGA) for high-speed signal chain and data-acquisition systems. The LMH2832 is optimized to provide high bandwidth, low distortion, and low noise, thus making the device ideally suited as a dual, 14-bit, analog-to-digital converter (ADC) driver. The device consists of one fixed-gain block and one variable attenuator consisting of a total gain of 30 dB with a maximum attenuation of 39 dB. The gain range is from 30 dB to –9 dB in 1-dB gain steps with a gain accuracy of ±0.2 dB. The input impedance can be easily matched to 50-Ω or 75-Ω systems using a 1:3-Ω or 1:2-Ω ratio balun, respectively. The LMH2832 is designed to drive general-purpose ADCs and also meets the requirements for both data over cable service interface specification (DOCSIS) 3.0 32 quadrature amplitude modulation (QAM) carriers and DOCSIS 3.1 wideband orthogonal frequency-division multiplexing (OFDM) systems. With excellent NF (6.5 dB) and linearity, the LMH2832 is designed to perform to within DOCSIS specifications. The quiescent current in the power-down state is less than 5 mA per channel with the typical current consumption during operation at 105 mA per channel.

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Specifications

No. of Channels 2Channels
No. of Amplifiers 2 Amplifier
Bandwidth 1.1GHz
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Supply Voltage Range 4.75V to 5.25V
Amplifier Case Style VQFN
No. of Pins 40Pins
Product Range LMH2832 Series
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)

Alternative Descriptions

Fully-Differential, Dual, 1.1 GHz Digital Variable Gain Amplifier | Texas Instruments


Frequently Asked Questions

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What category does LMH2832IRHAT fall under?

The LMH2832IRHAT is listed under Semiconductors - ICs > Amplifiers & Comparators > Programmable Gain Amplifiers.

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You can view similar parts to LMH2832IRHAT when available in the Programmable Gain Amplifiers range under the specifications section at the bottom of the details page.

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Is the LMH2832IRHAT RoHS compliant?

This part has not been flagged as RoHS Compliant.

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