ADS7891
ADS7891 Description
2.7V-5.25V Digital, 5V Analog, 14 bit, 3 MSPS, Parallel ADC W/Ref
ADS7891 Vendor
Texas Instruments
ADS7891 Categories
ADS7891 Features
  • 3 MHz Sample Rate, 14-Bit Resolution
  • Zero Latency
  • Unipolar, Pseudo Differential Input, Range:
    • 0 V to 2.5 V
  • High Speed Parallel Interface
  • 78 dB SNR and 88.5 dB THD at 3 MSPS
  • Power Dissipation 85 mW at 3 MSPS
  • Nap Mode (10 mW Power Dissipation)
  • Power Down (10 µW)
  • Internal Reference
  • Internal Reference Buffer
  • 8-/14-Bit Bus Transfer
  • 48-Pin TQFP Package
  • APPLICATIONS
    • Optical Networking (DWDM, MEMS Based Switching)
    • Spectrum Analyzers
    • High Speed Data Acquisition Systems
    • High Speed Close-Loop Systems
    • Telecommunication
    • Ultra-Sound Detection
ADS7891 Datasheet and Application Notes
ParameterValue
Resolution (Bits)14
Sample Rate (max)3MSPS
Search Sample Rate (Max) (SPS)3000000
ArchitectureSAR
Power Consumption (Typ) (mW)85
BipolarNo
SINAD (dB)77
SNR (dB)77.5
SFDR (dB)88
DNL (Max) (+/-LSB)+1.5/-1
INL (Max) (+/-LSB)1.5
INL (+/- %) (Max)0.009
No Missing Codes (Bits)14
Analog Voltage AV/DD (Min) (V)4.75
Analog Voltage AV/DD (Max) (V)5.25
Logic Voltage DV/DD (Min) (V)2.7
Logic Voltage DV/DD (Max) (V)5.25
Input TypeVoltage
Analog Input BW (MHz)50
Input Configuration RangeVref
No. of Supplies2
Pin/Package48TQFP
Approx. 1KU Price (US$)10.5
Products related to ADS7891
ADS7891IPFBT   ADS7891IPFBR   

ChipCatalog.com - Your Source of Information About Electronic Components