LTC6401CUD-14#PBF

Description：IC ADC DRIVER 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:0cf8a51adcbc Category: Special Purpose Amplifiers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC ADC DRIVER 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Type：ADC Driver
Applications：Data Acquisition
Mounting Type：Surface Mount
Package / Case：16-WFQFN Exposed Pad
Supplier Device Package：16-QFN (3x3)
Grade：-
Qualification：-

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LTC6401CUD-14#PBF

Overview

The Analog Devices LTC6401CUD-14#PBF is a high-speed differential amplifier designed for processing signals from DC to 140MHz. It features a fixed gain of 5V/V (14dB) and a 2GHz -3dB bandwidth. The device operates on a single supply voltage ranging from 2.85V to 3.5V with a typical supply current of 45mA. It includes an adjustable output common mode voltage control pin, allowing direct interfacing with ADCs without external transformers or AC-coupling capacitors. The component is housed in a compact 16-lead 3mm x 3mm QFN package.

Feature Summary

Provides low noise and low distortion performance suitable for driving 12-, 14-, and 16-bit ADCs.
Features internally fixed gain of 14dB with differential inputs and outputs.
Includes an adjustable output common mode voltage control pin independent of the inputs.
Supports both DC-coupled and AC-coupled operation modes.

Applications

Differential ADC Driver
IF Sampling Receivers
Single Ended to Differential Conversion

Procurement Notes

Verify the specific temperature grade suffix 'C' indicates a commercial operating range of 0°C to 70°C, distinct from the industrial '-I' variant which covers -40°C to 85°C. Confirm the '#PBF' designation corresponds to lead-free packaging in a tube format as specified in the ordering information. Ensure compatibility with the required 16-lead QFN footprint during procurement planning.

Selection Notes

Select this part when a fixed 14dB gain is required for broadband signal conditioning up to 140MHz. The internal feedback network sets a 200Ω differential input impedance. Consider the 1.1nV/√Hz internal op amp noise density for low-noise requirements. Verify that the 2.85V to 3.5V supply range aligns with the system power architecture.

Part Context

This component belongs to the LTC6401 family of high-speed differential amplifiers. It is pin-compatible with other variants in the series such as the LTC6401-8, LTC6401-20, and LTC6401-26, which offer different fixed gains. The LTC6400 family offers similar functionality with lower distortion but higher supply current consumption.