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ADS4246IRGC25 bảng dữ liệu(PDF) 1 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC
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ADS4246IRGC25 bảng dữ liệu(HTML) 1 Page - Texas Instruments

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ADS4222, ADS4225, ADS4226
ADS4242, ADS4245, ADS4246
www.ti.com
SBAS533C
– MARCH 2011 – REVISED JUNE 2011
Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC
Check for Samples: ADS4222, ADS4225, ADS4226, ADS4242, ADS4245, ADS4246
1
FEATURES
APPLICATIONS
23
Ultralow Power with Single 1.8V Supply,
Wireless Communications Infrastructure
CMOS Output:
Software Defined Radio
– 183mW total power at 65MSPS
Power Amplifier Linearization
– 277mW total power at 125MSPS
– 332mW total power at 160MSPS
DESCRIPTION
High Dynamic Performance:
The ADS424x/422x are low-speed variants of the
ADS42xx
ultralow-power
family
of
dual-channel,
– 88dBc SFDR at 170MHz
14-bit/12-bit
analog-to-digital
converters
(ADCs).
– 71.4dBFS SNR at 170MHz
Innovative design techniques are used to achieve
Crosstalk:
> 90dB at 185MHz
high-dynamic
performance,
while
consuming
Programmable Gain up to 6dB for
extremely low power with 1.8V supply. This topology
SNR/SFDR Trade-off
makes the ADS424x/422x well-suited for multi-carrier,
DC Offset Correction
wide-bandwidth communications applications.
Output Interface Options:
The ADS424x/422x have gain options that can be
– 1.8V parallel CMOS interface
used
to
improve
SFDR
performance
at
lower
full-scale input ranges. These devices include a dc
– Double data rate (DDR) LVDS with
offset correction loop that can be used to cancel the
programmable swing:
ADC offset. Both DDR (double data rate) LVDS and
– Standard swing: 350mV
parallel CMOS digital output interfaces are available
– Low swing: 200mV
in a compact QFN-64 PowerPAD
™ package.
Supports Low Input Clock Amplitude
The devices include internal references while the
Down to 200mVPP
traditional reference pins and associated decoupling
Package: QFN-64 (9mm
× 9mm)
capacitors have been eliminated. All devices are
specified
over
the
industrial
temperature
range
(
–40°C to +85°C).
ADS424x/422x FAMILY COMPARISON(1)
250MSPS
160MSPS
125MSPS
65MSPS
ADS424x
ADS4249
ADS4246
ADS4245
ADS4242
14-bit family
ADS422x
ADS4229
ADS4226
ADS4225
ADS4222
12-bit family
(1)
See for details on migrating from the ADS62P49 family.
PERFORMANCE SUMMARY
ADS4246
ADS4245
ADS4242
ADS4226
ADS4225
ADS4222
SFDR (dBc), fIN = 20MHz
86
88
91
86
88
91
SFDR (dBc), fIN = 170MHz
82
88
85
82
88
85
SNR (dBFS), fIN = 20MHz
72.8
73.4
73.6
70.5
70.8
70.9
SNR (dBFS), fIN = 170MHz
70.4
71.4
71.2
69.5
69.9
69.9
Total power (mW/channel)
166
138
91
166
138
91
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.


Số phần tương tự - ADS4246IRGC25

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Texas Instruments
ADS4246IRGC25 TI-ADS4246IRGC25 Datasheet
3Mb / 104P
[Old version datasheet]   Programmable Gain up to 6dB for SNR/SFDR Trade-off
ADS4246IRGC25 TI1-ADS4246IRGC25 Datasheet
3Mb / 97P
[Old version datasheet]   Dual-Channel, 12-/14-Bit, 65/125/160MSPS Ultralow-Power ADC
MARCH2011
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Mô tả tương tự - ADS4246IRGC25

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Texas Instruments
ADS4222 TI1-ADS4222_14 Datasheet
4Mb / 105P
[Old version datasheet]   Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC
ADS4222 TI1-ADS4222_15 Datasheet
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[Old version datasheet]   Dual-Channel, 14-/12-Bit, 160/125/65 MSPS Ultralow-Power ADC
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2Mb / 83P
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ADS4126_1004 TI-ADS4126_1004 Datasheet
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[Old version datasheet]   Dual-Channel, 12-/14-Bit, 65/125/160MSPS Ultralow-Power ADC
MARCH2011
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