MAX2055
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MAX2055

Digitally Controlled, Variable-Gain, Differential ADC Driver/Amplifier

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Industry's First Low-Distortion, IF Differential ADC Driver with Digitally Selectable Gain

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Models 2
1ku List Price Starting From $7.92
Features
  • 30MHz to 300MHz Frequency Range
  • Single-Ended-to-Differential Conversion
  • -3dB to +20dB Variable Gain
  • 40dBm Output IP3 (at All Gain States and 70MHz)
  • 2nd Harmonic -76dBc
  • 3rd Harmonic -69dBc
  • Noise Figure: 5.8dB at Maximum Gain
  • Digitally Controlled Gain with 1dB Resolution and ±0.2dB Accuracy
  • Adjustable Bias Current
Additional Details
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The MAX2055 high-performance, digitally controlled, variable-gain, differential analog-to-digital converter (ADC) driver/amplifier (DVGA) is designed for use from 30MHz to 300MHz in base-station receivers.

The device integrates a digitally controlled attenuator and a high-linearity single-ended-to-differential output amplifier, which can either eliminate an external transformer, or can improve the even-order distortion performance of a transformer-coupled circuit, thus relaxing the requirements of the anti-alias filter preceding an ADC. Targeted for ADC driver applications to adjust gain either dynamically or as a one-time channel gain setting, the MAX2055 is ideal for applications requiring high performance. The attenuator provides 23dB of attenuation range with ±0.2dB accuracy.

The MAX2055 is available in a thermally enhanced 20-pin TSSOP-EP package and operates over the -40°C to +85°C temperature range.

Applications

  • Automated Test Equipment (ATE)
  • Broadband Systems
  • Cell Phone Base Stations
  • High-Performance ADC Drivers
  • PHS/PAS Infrastructure
  • Receiver Gain Control
  • Terrestrial Links
Part Models 2
1ku List Price Starting From $7.92

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX2055EUP+D
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MAX2055EUP+TD
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Software & Part Ecosystem

Evaluation Kits 1

MAX2055EVKIT

Evaluation Kit for the MAX2055

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MAX2055EVKIT

Evaluation Kit for the MAX2055

Evaluation Kit for the MAX2055

Features and Benefits

  • Fully Assembled and Tested
  • 30MHz to 300MHz Frequency Range
  • -3dB to +20dB Variable Gain
  • Output IP3: 40dBm (All Gain Settings at 70MHz)
  • -76dBc 2nd Harmonic
  • -69dBc 3rd Harmonic
  • Noise Figure: 5.8dB at Maximum Gain
  • Digitally Controlled Gain with 1dB Resolution and ±0.2dB Accuracy
  • Adjustable Bias Currents

Product Detail

The MAX2055 evaluation kit (EV kit) simplifies the evaluation of the MAX2055 high-linearity, digitally controlled, variable-gain analog-to-digital converter (ADC) driver/amplifier (DVGA). The EV kit is fully assembled and tested at the factory. Standard 50Ω SMA connectors are included on the EV kit for the input and output to allow quick and easy evaluation on the test bench.

This data sheet provides a list of equipment required to evaluate the device, a straightforward test procedure to verify functionality, a circuit schematic for the kit, a bill of materials (BOM) for the kit, and artwork for each layer of the PC board.

Applications

  • Automated Test Equipment (ATE)
  • Broadband Systems
  • Cell Phone Base Stations
  • High-Performance ADC Drivers
  • PHS/PAS Infrastructure
  • Receiver Gain Control
  • Terrestrial Links

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