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ADS5474 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
封装:
HTQFP-80
描述:
14位， 400 MSPS模拟数字转换器 14-Bit, 400-MSPS Analog-to-Digital Converter
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ADS5474数据手册
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Reference
Timing
CLK
OVR
D[13:0]
CLK
6
DRY
VREF
VIN
VIN
TH1
5 5
S
DAC2ADC2
ADC3
S
DAC1
ADC1
DigitalErrorCorrection
+
–
+
–
DRY
OVR
A1 TH2 A2
A3TH3
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ADS5474
SLAS525C –JULY 2007–REVISED JANUARY 2016
ADS5474 14-Bit, 400-MSPS Analog-to-Digital Converter
1 Features 3 Description
The ADS5474 device is a 14-bit, 400-MSPS analog-
1
• 400-MSPS Sample Rate
to-digital converter (ADC) that operates from both a
• 14-Bit Resolution, 11.2-Bits ENOB
5-V supply and 3.3-V supply while providing LVDS-
• 1.4-GHz Input Bandwidth
compatible digital outputs. This ADC is one of a
family of 12-, 13-, and 14-bit ADCs that operate from
• 80-dBc SFDR at 230 MHz and 400 MSPS
210 MSPS to 500 MSPS. The ADS5474 device has
• 69.8-dBFS SNR at 230 MHz and 400 MSPS
an input buffer that isolates the internal switching of
• 2.2-V
PP
Differential Input Voltage
the onboard track and hold (T&H) from disturbing the
signal source while providing a high-impedance input.
• LVDS-Compatible Outputs
An internal reference generator is also provided to
• 2.5-W Total Power Dissipation
simplify the system design.
• 50-mW Power Down Mode
Designed with a 1.4-GHz input bandwidth for the
• Offset Binary Output Format
conversion of wide-bandwidth signals that exceed
• Output Data Transitions on the Rising and Falling
400 MHz of input frequency at 400 MSPS, the
Edges of a Half-Rate Output Clock
ADS5474 device has outstanding low-noise
performance and spurious-free dynamic range over a
• On-Chip Analog Buffer, Track-and-Hold, and
large input frequency range.
Reference Circuit
• HTQFP-80 PowerPAD™ Package
The ADS5474 device is available in an TQFP-80
(14 mm × 14 mm footprint)
PowerPAD package. The device is built on Texas
Instruments complementary bipolar process (BiCom3)
• Industrial Temperature Range:
and is specified over the full industrial temperature
–40°C to +85°C
range (–40°C to +85°C).
• Pin-Similar/Compatible with 12-, 13-, and 14-Bit
Family: ADS5463 and ADS5440/ADS5444
Device Information
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
2 Applications
ADS5474 HTQFP (80) 12.00 mm x 12.00 mm
• Test and Measurement Instrumentation
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
• Software-Defined Radio
• Data Acquisition
• Power Amplifier Linearization
• Communication Instrumentation
• Radar
Block Diagram
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.
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