Low-Power ADC. ADS4449 Datasheet

ADS4449 ADC. Datasheet pdf. Equivalent

ADS4449 Datasheet
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Part ADS4449
Description Low-Power ADC
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ADS4449
SBAS603A – APRIL 2013 – REVISED JANUARY 2016
ADS4449 Quad-Channel, 14-Bit, 250-MSPS, Low-Power ADC
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)
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.
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
Spectrum for 170-MHz Input Frequency
0
fIN = 170 MHz
−20 SFDR = 89 dBc
SINAD = 68.9 dBFS
−40 SNR = 69 dBFS
THD = 85 dBc
−60
−80
−100
−120
0
25 50 75 100 125
Frequency (MHz)
G005
1
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.



Texas Instruments ADS4449
ADS4449
SBAS603A – APRIL 2013 – REVISED JANUARY 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 7
6.6 Digital Characteristics ............................................... 9
6.7 Timing Requirements .............................................. 10
6.8 Timing Characteristics For Figure 1........................ 10
6.9 Typical Characteristics ............................................ 12
6.10 Typical Characteristics: Contour ........................... 18
7 Parameter Measurement Information ................ 19
7.1 LVDS Output Timing ............................................... 19
8 Detailed Description ............................................ 21
8.1 Overview ................................................................. 21
8.2 Functional Block Diagram ....................................... 21
8.3 Feature Description................................................. 22
8.4 Device Functional Modes........................................ 23
8.5 Programming .......................................................... 26
8.6 Register Maps ........................................................ 28
9 Application and Implementation ........................ 41
9.1 Application Information............................................ 41
9.2 Typical Application .................................................. 41
10 Power Supply Recommendations ..................... 48
11 Layout................................................................... 48
11.1 Layout Guidelines ................................................. 48
11.2 Layout Example ................................................... 48
12 Device and Documentation Support ................. 49
12.1 Device Nomenclature............................................ 49
12.2 Documentation Support ........................................ 50
12.3 Community Resources.......................................... 50
12.4 Trademarks ........................................................... 50
12.5 Electrostatic Discharge Caution ............................ 50
12.6 Glossary ................................................................ 50
13 Mechanical, Packaging, and Orderable
Information ........................................................... 50
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (April 2013) to Revision A
Page
• Added Internal Dither Features bullet .................................................................................................................................... 1
• Added ESD Ratings table, Feature Description section, Device Functional Modes section, Application and
Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation
Support section, and Mechanical, Packaging, and Orderable Information section................................................................ 1
• Deleted Package and Ordering Information because the data is repeated in the Package Option Addendum ................... 1
• Deleted SNRB from the configuration registers block in the functional block diagram ......................................................... 1
• Changed Clock Inputs, Input clock sample rate parameter minimum specification in Recommended Operating
Conditions table ...................................................................................................................................................................... 5
• Changed Table 2 ................................................................................................................................................................. 22
2 Submit Documentation Feedback
Product Folder Links: ADS4449
Copyright © 2013–2016, Texas Instruments Incorporated



Texas Instruments ADS4449
www.ti.com
5 Pin Configuration and Functions
ZCR Package
144-Pin NFBGA
Top View
1234567
ADS4449
SBAS603A – APRIL 2013 – REVISED JANUARY 2016
8 9 10 11 12
A AVDD
AVDD
CINM
CINP
AVDD
VCM
VCM
AVDD
BINM
BINP
AVDD
AVDD
B DINP
AVSS
AVDD
AVDD
AVSS AVDD33 AVDD33 AVSS
AVDD
AVDD
AVSS
AINM
C DINM
AVSS
AVSS
AVSS
AVSS CLKINM CLKINP AVSS
AVSS
AVSS
AVSS
AINP
D AVDD
AVDD
VCM
AVSS
AVSS
AVSS
AVSS
AVSS
AVSS
VCM
AVDD
AVDD
E AVDD33 AVDD33
NC
DRVSS DRVSS DRVSS DRVSS DRVSS DRVSS
PDN AVDD33 AVDD33
F DCD13M DCD13P DRVDD DRVSS DRVSS DRVSS DRVSS DRVSS DRVSS DRVDD DAB13P DAB13M
G DCD12M DCD12P
NC
NC
NC
RESET
SCLK
SDATA
SEN
SDOUT DAB12P DAB12M
H DCD11M DCD11P DCD6P DCD6M DRVDD DRVDD DRVDD DRVDD DAB6M DAB6P DAB11P DAB11M
J DCD10M DCD10P DCD5P DCD5M DCD2P DRVDD DRVDD DAB2M DAB5M DAB5P DAB10P DAB10M
K DCD9M DCD9P DCD4P DCD4M DCD2M DRVDD DRVDD DAB2P DAB4M DAB4P DAB9P DAB9M
L DCD8M DCD8P DCD3P DCD3M DCD1P DCD1M DAB1M DAB1P DAB3M DAB3P DAB8P DAB8M
M DCD7M
DCD7P CLKOUT CLKOUT DCD0P/ DCD0M/ DAB0M/ DAB0P/ CLKOUT CLKOUT DAB7P
CDP
CDM OVRCDP OVRCDM OVRABM OVRABP ABM
ABP
DAB7M
Copyright © 2013–2016, Texas Instruments Incorporated
Product Folder Links: ADS4449
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