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ADS4145IRGZR Arkusz danych(PDF) 1 Page - Texas Instruments

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Numer części ADS4145IRGZR
Szczegółowy opis  14-/12-Bit, 65/125MSPS, Ultralow-Power ADC
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

ADS4145IRGZR Arkusz danych(HTML) 1 Page - Texas Instruments

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ADS4122, ADS4125
ADS4142, ADS4145
www.ti.com
SBAS520A
– FEBRUARY 2011 – REVISED MARCH 2011
14-/12-Bit, 65/125MSPS, Ultralow-Power ADC
Check for Samples: ADS4122, ADS4125, ADS4142, ADS4145
1
FEATURES
DESCRIPTION
The ADS412x/4x are lower sampling speed variants
23
Ultralow Power with 1.8V Single Supply:
of the ADS41xx family of analog-to-digital converters
– 103mW Total Power at 65MSPS
(ADCs).
These
devices
use
innovative
design
– 153mW Total Power at 125MSPS
techniques to achieve high dynamic performance,
while consuming extremely low power at 1.8V supply.
High Dynamic Performance:
The devices are well-suited for multi-carrier, wide
– SNR: 72.2dBFS at 170MHz
bandwidth communications applications.
– SFDR: 81dBc at 170MHz
The ADS412x/4x have fine gain options that can be
Dynamic Power Scaling with Sample Rate
used
to
improve
SFDR
performance
at
lower
Output Interface:
full-scale input ranges, especially at high input
frequencies. They include a dc offset correction loop
– Double Data Rate (DDR) LVDS with
that can be used to cancel the ADC offset. At lower
Programmable Swing and Strength
sampling rates, the ADC automatically operates at
– Standard Swing: 350mV
scaled down power with no loss in performance.
– Low Swing: 200mV
The ADS412x/4x are available in a compact QFN-48
– Default Strength: 100Ω Termination
pacakge
and
are
specified
over
the
industrial
– 2x Strength: 50Ω Termination
temperature range (
–40°C to +85°C).
– 1.8V Parallel CMOS Interface Also
Supported
Programmable Gain up to 6dB for SNR/SFDR
Trade-Off
DC Offset Correction
Supports Low Input Clock Amplitude Down To
200mVPP
Package: QFN-48 (7mm
× 7mm)
ADS412x/ADS414x Family Comparison
WITH ANALOG INPUT BUFFERS
FAMILY
65MSPS
125MSPS
160MSPS
250MSPS
200MSPS
250MSPS
ADS412x
ADS4122
ADS4125
ADS4126
ADS4129
ADS41B29
12-Bit Family
ADS414x
ADS4142
ADS4145
ADS4146
ADS4149
ADS41B49
14-Bit Family
9-Bit
ADS58B19
11-Bit
ADS58B18
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.
PRODUCTION DATA information is current as of publication date.
Copyright
© 2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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