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Giải thích chi tiết về linh kiện  14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
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ADS4149IRGZT bảng dữ liệu(HTML) 1 Page - Texas Instruments

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ADS4126, ADS4129
ADS4146, ADS4149
www.ti.com
SBAS483D – NOVEMBER 2009 – REVISED APRIL 2010
14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
Check for Samples: ADS4126, ADS4129, ADS4146, ADS4149
1
FEATURES
DC Offset Correction
23
Maximum Sample Rate: 250MSPS
Supports Low Input Clock Amplitude Down To
200mVPP
Ultralow Power with 1.8V Single Supply:
Package: QFN-48 (7mm × 7mm)
200mW Total Power at 160MSPS
265mW Total Power at 250MSPS
DESCRIPTION
High Dynamic Performance:
The
ADS414x/2x
are
a
family
of
14-bit/12-bit
SNR: 70.6dBFS at 170MHz
analog-to-digital converters (ADCs) with sampling
SFDR: 84dBc at 170MHz
rates up to 250MSPS. These devices use innovative
design
techniques
to
achieve
high
dynamic
Dynamic Power Scaling with Sample Rate
performance, while consuming extremely low power
Output Interface
at 1.8V supply. The devices are well-suited for
Double Data Rate (DDR) LVDS with
multi-carrier,
wide
bandwidth
communications
Programmable Swing and Strength
applications.
Standard Swing: 350mV
The ADS414x/2x have fine gain options that can be
Low Swing: 200mV
used
to
improve
SFDR
performance
at
lower
full-scale input ranges, especially at high input
Default Strength: 100
Ω Termination
frequencies. They include a dc offset correction loop
2x Strength: 50
Ω Termination
that can be used to cancel the ADC offset. At lower
1.8V Parallel CMOS Interface Also
sampling rates, the ADC automatically operates at
Supported
scaled down power with no loss in performance.
Programmable Gain up to 6dB for SNR/SFDR
The ADS414x/2x are available in a compact QFN-48
Trade-Off
pacakge
and
are
specified
over
the
industrial
temperature range (–40°C to +85°C).
ADS412x/ADS414x Family Comparison
WITH ANALOG INPUT BUFFERS
FAMILY
250MSPS
160MSPS
250MSPS
200MSPS
ADS414x
ADS4149
ADS4146
ADS41B49
14-Bit Family
ADS412x
ADS4129
ADS4126
ADS41B29
12-Bit Family
11-Bit
ADS58B18
9-Bit
ADS58B19
1
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.
2
PowerPAD is a trademark of Texas Instruments Incorporated.
3
All other trademarks are the property of their respective owners.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright © 2009–2010, Texas Instruments Incorporated
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.


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Texas Instruments
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Mô tả tương tự - ADS4149IRGZT

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