ADS5474 14-Bit, 400-MSPS Analog-to-Digital Converter (ADC) | TI.com

ADS5474 (ACTIVE)

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

14-Bit, 400-MSPS Analog-to-Digital Converter (ADC) - ADS5474
 

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)

 
Sample Rate (Max) (MSPS)
Features
Resolution (Bits)
Number of 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
Architecture
DNL (Typ) (+/-LSB)
INL (Typ) (+/-LSB)
Reference Mode
ADS5474 ADS5440 ADS5444 ADS5463 ADS54RF63
400     210     250     500     550    
High Performance     High Performance     High Performance     Low Power     High Performance    
14     13     13     12     12    
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 | 80     HTQFP | 80     HTQFP | 80     HTQFP | 80     HTQFP | 80    
80HTQFP: 196 mm2: 14 x 14 (HTQFP | 80)     80HTQFP: 196 mm2: 14 x 14 (HTQFP | 80)     80HTQFP: 196 mm2: 14 x 14 (HTQFP | 80)     80HTQFP: 196 mm2: 14 x 14 (HTQFP | 80)     80HTQFP: 196 mm2: 14 x 14 (HTQFP | 80)    
Catalog     Catalog     Catalog     Catalog     Catalog    
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    

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