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ADS4449EVM 数据手册 - TI（德州仪器）
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TI（德州仪器）
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ADS4449EVM数据手册
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−120
−100
−80
−60
−40
−20
0
0 25 50 75 100 125
Frequency (MHz)
Amplitude (dB)
G005
f = 170 MHz
IN
SFDR = 89 dBc
SNR = 69 dBFS
SINAD = 68.9 dBFS
THD = 85 dBc
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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.
ADS4449
SBAS603A –APRIL 2013–REVISED JANUARY 2016
ADS4449 Quad-Channel, 14-Bit, 250-MSPS, Low-Power ADC
1
1 Features
1
• 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
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
ADS4449 NFBGA (144)
10.00 mm × 10.00
mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Spectrum for 170-MHz Input Frequency
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