ADS42LB49IRGCT
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Texas Instruments ADS42LB49IRGCT

Manufacturer No:
ADS42LB49IRGCT
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC ADC 12BIT PIPELINED 64VQFN
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The Texas Instruments ADS42LB49IRGCT is a high-performance, dual-channel analog-to-digital converter (ADC) designed for applications requiring high speed and precision. This 14-bit ADC operates at a maximum clock rate of 250 MSPS, making it suitable for a wide range of high-frequency signal processing tasks. The device features a buffered analog input, which provides uniform input impedance across a wide frequency range, and supports DDR and QDR LVDS output interfaces. The ADS42LB49IRGCT is part of the ADS42LBx9 family, known for its high linearity, low power consumption, and excellent spurious-free dynamic range (SFDR).

Key Specifications

ParameterValue
Number of Channels2 (Dual-Channel)
Resolution14-bit (also available in 16-bit configuration)
Maximum Clock Rate250 MSPS
Analog Input TypeDifferential
Data InterfaceLVDS - Parallel (DDR or QDR)
Input Full-Scale Range2 V PP and 2.5 V PP (SPI-Programmable)
Package Type64-Pin VQFN (9-mm × 9-mm)
Operating Temperature Range-40°C to 85°C
Power Dissipation per Channel820 mW
Aperture Jitter85 fs
Channel Isolation100 dB
SNR at fIN = 170 MHz, 2 V PP73.2 dBFS
SNR at fIN = 170 MHz, 2.5 V PP74.9 dBFS
SFDR at fIN = 170 MHz, 2 V PP87 dBc (HD2 and HD3), 100 dBc (Non HD2 and HD3)
SFDR at fIN = 170 MHz, 2.5 V PP85 dBc (HD2 and HD3), 97 dBc (Non HD2 and HD3)

Key Features

  • Dual-channel operation with 14-bit and 16-bit resolution options
  • Maximum clock rate of 250 MSPS
  • Buffered analog input with high impedance input
  • Flexible input clock buffer with divide-by-1, -2, and -4 options
  • DDR or QDR LVDS output interface
  • Internal dither for improved noise performance
  • High channel isolation of 100 dB
  • Low power consumption of 820 mW per channel
  • Compact 64-Pin VQFN package (9-mm × 9-mm)

Applications

The ADS42LB49IRGCT is suitable for a variety of high-speed data acquisition and signal processing applications, including:

  • Medical Imaging and Diagnostic Equipment
  • Radar and Electronic Warfare Systems
  • High-Speed Data Acquisition Systems
  • Test and Measurement Equipment
  • Wireless Communication Systems

Q & A

  1. What is the maximum clock rate of the ADS42LB49IRGCT?
    The maximum clock rate of the ADS42LB49IRGCT is 250 MSPS.
  2. What are the available resolutions for the ADS42LB49IRGCT?
    The ADS42LB49IRGCT is available in both 14-bit and 16-bit resolutions.
  3. What type of analog input does the ADS42LB49IRGCT support?
    The ADS42LB49IRGCT supports differential analog inputs.
  4. What are the supported output interfaces for the ADS42LB49IRGCT?
    The ADS42LB49IRGCT supports DDR and QDR LVDS output interfaces.
  5. What is the power dissipation per channel for the ADS42LB49IRGCT?
    The power dissipation per channel for the ADS42LB49IRGCT is 820 mW.
  6. What is the operating temperature range for the ADS42LB49IRGCT?
    The operating temperature range for the ADS42LB49IRGCT is -40°C to 85°C.
  7. What is the channel isolation of the ADS42LB49IRGCT?
    The channel isolation of the ADS42LB49IRGCT is 100 dB.
  8. What are the typical SNR and SFDR values for the ADS42LB49IRGCT at 170 MHz input frequency?
    At 170 MHz input frequency, the typical SNR is 73.2 dBFS for 2 V PP and 74.9 dBFS for 2.5 V PP. The SFDR is 87 dBc (HD2 and HD3) and 100 dBc (Non HD2 and HD3) for 2 V PP, and 85 dBc (HD2 and HD3) and 97 dBc (Non HD2 and HD3) for 2.5 V PP.
  9. What is the package type and size of the ADS42LB49IRGCT?
    The ADS42LB49IRGCT comes in a 64-Pin VQFN package with dimensions of 9-mm × 9-mm.
  10. What are some common applications for the ADS42LB49IRGCT?
    The ADS42LB49IRGCT is commonly used in medical imaging, radar and electronic warfare systems, high-speed data acquisition systems, test and measurement equipment, and wireless communication systems.

Product Attributes

Number of Bits:12
Sampling Rate (Per Second):250M
Number of Inputs:2
Input Type:Differential
Data Interface:LVDS - Parallel
Configuration:S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:2
Architecture:Pipelined
Reference Type:Internal
Voltage - Supply, Analog:1.7V ~ 1.9V
Voltage - Supply, Digital:1.7V ~ 1.9V
Features:Simultaneous Sampling
Operating Temperature:-40°C ~ 85°C
Package / Case:64-VFQFN Exposed Pad
Supplier Device Package:64-VQFN (9x9)
Mounting Type:Surface Mount
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Similar Products

Part Number ADS42LB49IRGCT ADS42LB69IRGCT ADS42B49IRGCT ADS42JB49IRGCT ADS42LB49IRGCR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Number of Bits 12 16 14 14 -
Sampling Rate (Per Second) 250M 250M 250M 250M -
Number of Inputs 2 2 2 2 -
Input Type Differential Differential Differential Differential -
Data Interface LVDS - Parallel LVDS - Parallel LVDS - Parallel, Parallel JESD204B -
Configuration S/H-ADC S/H-ADC S/H-ADC S/H-ADC -
Ratio - S/H:ADC 1:1 1:1 1:1 1:1 -
Number of A/D Converters 2 2 2 2 -
Architecture Pipelined Pipelined Pipelined Pipelined -
Reference Type Internal Internal Internal Internal -
Voltage - Supply, Analog 1.7V ~ 1.9V 1.7V ~ 1.9V 1.8V ~ 2V 1.7V ~ 1.9V -
Voltage - Supply, Digital 1.7V ~ 1.9V 1.7V ~ 1.9V 1.7V ~ 2V 1.7V ~ 1.9V -
Features Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -
Package / Case 64-VFQFN Exposed Pad 64-VFQFN Exposed Pad 64-VFQFN Exposed Pad 64-VFQFN Exposed Pad 64-VFQFN Exposed Pad
Supplier Device Package 64-VQFN (9x9) 64-VQFN (9x9) 64-VQFN (9x9) 64-VQFN (9x9) 64-VQFN (9x9)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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