ISLA214P12

High Performance 14-Bit, 125MSPS ADC

OVERVIEW

The ISLA214P12 is a high performance 14-bit 125MSPS analog-to-digital converter offering very high dynamic range and low power consumption. It is part of a pin-compatible family of 12- to 16-bit A/Ds with maximum sample rates ranging from 125 to 500MSPS. This allows a design using the ISLA214P12 to accommodate any of the other pin-compatible A/Ds with minimal changes.

The ISLA214P12 is very flexible and can be designed into a wide variety of systems. A Serial Peripheral Interface (SPI) port allows access to its extensive configurability and provides digital control over various analog parameters such as input gain and offset. Digital output data is presented in selectable LVDS or CMOS formats and can be configured as full-width, Single Data Rate (SDR) or half-width, Double Data Rate (DDR). Operating from a 1.8V supply, performance is specified across the full industrial temperature range (-40°C to +85°C).

KEY FEATURES

    • Multi-ADC Support
      SPI programmable fine gain and offset control
      Multiple ADC synchronization
      Optimized output timing
    • Clock duty cycle stabilizer
    • Nap and Sleep modes
    • Programmable built-in test patterns
    • SDR/DDR LVDS-compatible or LVCMOS outputs
    • Data output clock

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISLA214P12
Basic Information
Production Status
Mass Production
# of Devices/ Channels
1
Resolution Bits
14
Max Conversion Rate MSPS
125
SNR (dbFS)
74.9
SFDR (dB)
88
Power Consumption (mW)
310
Input BW
700 MHz
Input VIN (Range) (VPP, differential)
2
Output Interface
LVDS/LVCMOS
Integral NonLinearity LSB
2.5
Differential NonLinearity LSB
0.25
Analog Supply Voltage V
1.8
Digital Supply Voltage V
1.8
Qualification Level
Standard
Temperature Range
-40 to +85

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