ADS5474 (ACTIVE)

14-Bit, 400-MSPS Analog-to-Digital Converter (ADC)

 

Description

The ADS5474 device is a 14-bit, 400-MSPS analog-to-digital converter (ADC) that operates from both a 5-V supply and 3.3-V supply while providing LVDS-compatible digital outputs. This ADC is one of a family of 12-, 13-, and 14-bit ADCs that operate from 210 MSPS to 500 MSPS. The ADS5474 device has an input buffer that 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 with a 1.4-GHz input bandwidth for the conversion of wide-bandwidth signals that exceed 400 MHz of input frequency at 400 MSPS, the ADS5474 device has outstanding low-noise performance and spurious-free dynamic range over a large input frequency range.

The ADS5474 device is available in an TQFP-80 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).

Features

  • 400-MSPS Sample Rate
  • 14-Bit Resolution, 11.2-Bits ENOB
  • 1.4-GHz Input Bandwidth
  • 80-dBc SFDR at 230 MHz and 400 MSPS
  • 69.8-dBFS SNR at 230 MHz and 400 MSPS
  • 2.2-VPP Differential Input Voltage
  • LVDS-Compatible Outputs
  • 2.5-W Total Power Dissipation
  • 50-mW Power-Down Mode
  • Offset Binary Output Format
  • Output Data Transitions on the Rising and Falling Edges of a Half-Rate Output Clock
  • On-Chip Analog Buffer, Track-and-Hold, and Reference Circuit
  • HTQFP-80 PowerPAD™ Package
    (14-mm × 14-mm Footprint)
  • Industrial Temperature Range:
    –40°C to +85°C
  • Pin-Similar, -Compatible With 12-, 13-, and 14-Bit Family: ADS5463, ADS5440, ADS5444

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Parametrics Compare all products in High Speed ADCs (>10MSPS)

 
Resolution (Bits)
Sample Rate (Max) (MSPS)
# Input Channels
SNR (dB)
ENOB (Bits)
SFDR (dB)
Power Consumption (Typ) (mW)
Input Range (Vp-p)
Interface
Operating Temperature Range (C)
Analog Input BW (MHz)
Input Buffer
Package Group
Package Size: mm2:W x L (PKG)
Rating
SINAD (dB)
Architecture
DNL (Typ) (+/-LSB)
INL (Typ) (+/-LSB)
Reference Mode
ADS5474 ADS5440 ADS5444 ADS5463 ADS54RF63
14    13    13    12    12   
400    210    250    500    550   
1    1    1    1    1   
70.2    69    69    65.3    62.6   
11.2    11.4    11.1    10.5    9.9   
86    80    77    82    76   
2500    2250    2250    2250    2250   
2.2    2.2    2.2    2.2    2.2   
Parallel LVDS    Parallel LVDS    Parallel LVDS    Parallel LVDS    Parallel LVDS   
-40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85   
1440    500    500    2000    2300   
Yes    Yes    Yes    Yes    Yes   
HTQFP    HTQFP    HTQFP    HTQFP    HTQFP   
80HTQFP: 196 mm2: 14 x 14(HTQFP)    80HTQFP: 196 mm2: 14 x 14(HTQFP)    80HTQFP: 196 mm2: 14 x 14(HTQFP)    80HTQFP: 196 mm2: 14 x 14(HTQFP)    80HTQFP: 196 mm2: 14 x 14(HTQFP)   
Catalog    Catalog    Catalog    Catalog    Catalog   
68.9    68    67.6    64.1    61.3   
Pipeline    Pipeline    Pipeline    Pipeline    Pipeline   
0.7    0.4    0.4    0.25    0.5   
1    0.9    0.9    0.8    0.7   
Ext
Int   
Int    Int    Ext
Int   
Ext
Int   

Other qualified versions of ADS5474

Version Part Number Definition
Space ADS5474-SP Radiation tolerant, ceramic packaging and qualified for use in Space-based application

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