ADS5481
ADS5482, ADS5483
www.ti.com ...................................................................................................................................................................................................... SLAS565–JUNE 2008
16-Bit, 80/105/135-MSPS Analog-to-Digital Converters
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FEATURES
APPLICATIONS
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Wireless Infrastructure (Multi-Carrier GSM,
WCDMA, LTE)
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80/105/135-MSPS Sample Rates
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16-Bit Resolution
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Test and Measurement Instrumentation
Software-Defined Radio
Data Acquisition
Power Amplifier Linearization
Communication Instrumentation
Radar
SFDR = 95 dBc at 70 MHz and 135 MSPS
SNR = 78.6 dBFS at 70 MHz and 135 MSPS
Efficient DDR LVDS-Compatible Outputs
Internal Dither Available
Total Power Dissipation: 2.2 W
Powerdown Mode: 70 mW
Medical Imaging
On-Chip High Impedance Analog Buffer
QFN-64 PowerPAD™ Package
(9 mm × 9 mm footprint)
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Industrial Temperature Range:
–40°C to +85°C
DESCRIPTION
The ADS5481/ADS5482/ADS5483 (ADS548x) is a 16-bit family of analog-to-digital converters (ADCs) that
operate from both a 5-V supply and 3.3-V supply while providing LVDS-compatible digital outputs. The ADS548x
integrated analog input buffer isolates the internal switching of the onboard track and hold (T&H) from disturbing
the signal source while providing a high-impedance input. An internal reference generator is also provided to
simplify the system design.
Designed for highest total ENOB, the ADS548x family has outstanding low noise performance and spurious-free
dynamic range.
The ADS548x is available in an QFN-64 PowerPAD package. The device is built on Texas Instruments
complementary bipolar process (BiCom3) and is specified over the full industrial temperature range (–40°C to
+85°C).
SFDR
vs
INPUT FREQUENCY
SNR
vs
INPUT FREQUENCY
100
95
90
85
80
82
81
80
79
78
77
76
75
ADS5481
ADS5482
ADS5482
ADS5481
ADS5483
ADS5483
0
20
40
60
80
100
120
140
0
20
40
60
80
100
120
140
f − Input Frequency − MHz
I
f − Input Frequency − MHz
I
G068
G069
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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PowerPAD is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated