Texas Instruments ADS4449 Handleiding

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ADS4449 Quad-Channel, 14-Bit, 250-MSPS, Low-Power ADC

1 Features

•Quad Channel

•14-Bit Resolution

•Maximum Sampling Data Rate: 250 MSPS

•Power Dissipation:

–365 mW per Channel

•Spectral Performance at 170-MHz IF (typ):

–SNR: 69 dBFS

–SFDR: 86 dBc

•DDR LVDS Digital Output Interface

•Internal Dither

•Package: 144-Terminal NFBGA (10.00 mm ×

10.00 mm)

2 Applications

•Multi-Carrier GSM Cellular Infrastructure Base

Stations

•RADAR and Smart Antenna Arrays

•Multi-Carrier Multi-Mode Cellular Infrastructure

Base Stations

•Active Antenna Arrays for Wireless Infrastructures

•Communications Test Equipment

3 Description

The ADS4449 is a high-linearity, quad-channel, 14-bit,

250-MSPS, analog-to-digital converter (ADC).

Designed for low power consumption and high

spurious-free dynamic range (SFDR), the device has

low-noise performance and outstanding SFDR over a

large input frequency range.

Device Information

PART NUMBERPACKAGE

(1)

BODY SIZE (NOM)

ADS4449NFBGA (144)10.00 mm × 10.00 mm

(1)For all available packages, see the orderable addendum at

the end of the data sheet.

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Frequency (MHz)

Amplitude (dB)

G005

f= 170 MHz

IN

SFDR = 89 dBc

SNR = 69 dBFS

SINAD = 68.9 dBFS

THD = 85 dBc

Spectrum for 170-MHz Input Frequency

www.ti.com

ADS4449

SBAS603B – APRIL 2013 – REVISED NOVEMBER 2020

Copyright ©2020 Texas Instruments Incorporated

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ADS4449

SBAS603B – APRIL 2013 – REVISED NOVEMBER 2020

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Product specificaties