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LT1993-2 Datasheet

LT1993-2 Datasheet

800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V)
Part No.: LT1993-2
Page: 22 Pages
Size: 2099 KB
Manufacturer: Linear Technology
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Views: 4
Update Time: 2023-11-14 14:27:44
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LT1993-2 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT1993CUD-2#PBF Tube 121 LBJG 1 16 -40°C ~ 85°C 16-LEAD (3mm × 3mm) PLASTIC QFN  
LT1993CUD-2#TRPBF Reel 2500 LBJG 1 16 -40°C ~ 85°C 16-LEAD (3mm × 3mm) PLASTIC QFN  
LT1993CUD-2#TRMPBF Reel 500 LBJG 1 16 -40°C ~ 85°C 16-LEAD (3mm × 3mm) PLASTIC QFN  
LT1993IUD-2#PBF Tube 121 LBJG 1 16 -40°C ~ 85°C 16-LEAD (3mm × 3mm) PLASTIC QFN  
LT1993IUD-2#TRPBF Reel 2500 LBJG 1 16 -40°C ~ 85°C 16-LEAD (3mm × 3mm) PLASTIC QFN  
LT1993IUD-2#TRMPBF Reel 500 LBJG 1 16 -40°C ~ 85°C 16-LEAD (3mm × 3mm) PLASTIC QFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT1993-2 Datasheet(PDF)

LT1993-2 Datasheet(Picture)

LT1993-2 Features

  • 800MHz −3dB Bandwidth
  • Fixed Gain of 2V/V (6dB)
  • Low Distortion:
    • 38dBm OIP3, –70dBc HD3 (70MHz, 2VP-P)
    • 51dBm OIP3, –94dBc HD3 (10MHz, 2VP-P)
  • Low Noise: 12.3dB NF, en = 3.8nV/√Hz (70MHz)
  • Differential Inputs and Outputs
  • Additional Filtered Outputs
  • Adjustable Output Common Mode Voltage
  • DC- or AC-Coupled Operation
  • Minimal Support Circuitry Required
  • Small 0.75mm Tall 16-Lead 3 × 3 QFN Package

LT1993-2 Applications

  • Differential ADC Driver for:
    • Imaging
    • Communications
  • Differential Driver/Receiver
  • Single Ended to Differential Conversion
  • Differential to Single Ended Conversion
  • Level Shifting
  • IF Sampling Receivers
  • SAW Filter Interfacing/Buffering

LT1993-2 Description

The LT1993-2 is a low distortion, low noise Differential Amplifier/ADC driver for use in applications from DC to 800MHz. The LT1993-2 has been designed for ease of use, with minimal support circuitry required. Exceptionally low input-referred noise and low distortion products (with either single-ended or differential inputs) make the LT1993-2 an excellent solution for driving high speed 12-bit and 14-bit ADCs. In addition to the normal unfi ltered outputs (+OUT and –OUT), the LT1993-2 has a built-in 175MHz differential low pass filter and an additional pair of filtered outputs (+OUTFILTERED, –OUTFILTERED) to reduce external filtering components when driving high speed ADCs. The output common mode voltage is easily set via the VOCM pin, eliminating either an output transformer or AC-coupling capacitors in many applications.

The LT1993-2 is designed to meet the demanding requirements of communications transceiver applications. It can be used as a differential ADC driver, a general-purpose differential gain block, or in any other application requiring differential drive. The LT1993-2 can be used in data acquisition systems required to function at frequencies down to DC.

The LT1993-2 operates on a 5V supply and consumes 100mA. It comes in a compact 16-lead 3 × 3 QFN package and operates over a –40°C to 85°C temperature range.

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