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LTC1749IFW#PBF

Linear Technology LTC1749IFW#PBF

Part Number:
LTC1749IFW#PBF
Manufacturer:
Linear Technology
Ventron No:
3016223-LTC1749IFW#PBF
Description:
IC ADC 12BIT 80MSPS SMPL 48TSSOP
ECAD Model:
Datasheet:
LTC1749IFW#PBF

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Overview
Description
The LTC1749 is an 80Msps, 12-bit analog-to-digital converter (ADC) designed for digitizing wide dynamic range signals up to frequencies of 500MHz. It features a highly linear sample-and-hold circuit with a bandwidth of 500MHz and ultralow jitter of 0.15pSRMS, allowing for undersampling of IF frequencies with minimal degradation in SNR. The input range of the ADC can be optimized with the on-chip PGA sample-and-hold circuit and flexible reference circuitry. The digital interface is compatible with 5V, 3V, 2V, and LVDS logic systems. The LTC1749 is packaged in a 48-pin TSSOP package with a flow-through pinout.

Features
Sample Rate: 80Msps
PGA Front End (2.25Vp.p or 1.35Vp.p Input Range)
71.8dB SNR and 87dB SFDR (PGA=0)
70.2dB SNR and 87dB SFDR (PGA = 1)
500MHz Full Power Bandwidth S/H
No Missing Codes
Single 5V Supply
Power Dissipation: 1.45W
Two Pin Selectable Reference Values
Data Ready Output
Clock
Pin Compatible 14-Bit 80Msps Device (LTC1750)

Applications
Direct IF Sampling
Telecommunications
Receivers
Cellular Base Stations
Spectrum Analysis
Communications Test Equipment
Undersampling
Specifications
Linear Technology LTC1749IFW#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology LTC1749IFW#PBF.
  • Factory Lead Time
    16 Weeks
  • Mounting Type
    Surface Mount
  • Package / Case
    48-TFSOP (0.240, 6.10mm Width)
  • Surface Mount
    YES
  • Operating Temperature
    -40°C~85°C
  • Packaging
    Tube
  • Published
    2004
  • JESD-609 Code
    e3
  • Feature
    PGA
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    48
  • Terminal Finish
    Matte Tin (Sn)
  • Subcategory
    Analog to Digital Converters
  • Technology
    CMOS
  • Terminal Position
    DUAL
  • Terminal Form
    GULL WING
  • Peak Reflow Temperature (Cel)
    250
  • Number of Functions
    1
  • Supply Voltage
    5V
  • Terminal Pitch
    0.5mm
  • Time@Peak Reflow Temperature-Max (s)
    40
  • Base Part Number
    LTC1749
  • Pin Count
    48
  • JESD-30 Code
    R-PDSO-G48
  • Qualification Status
    Not Qualified
  • Power Supplies
    5V
  • Configuration
    S/H-ADC
  • Number of Bits
    12
  • Input Type
    Differential
  • Architecture
    Pipelined
  • Number of Inputs
    1
  • Converter Type
    ADC, PROPRIETARY METHOD
  • Reference Type
    External, Internal
  • Data Interface
    Parallel
  • Sampling Rate
    80 MHz
  • Voltage - Supply, Analog
    5V
  • Number of Analog In Channels
    1
  • Sampling Rate (Per Second)
    80M
  • Output Bit Code
    OFFSET BINARY, 2'S COMPLEMENT BINARY
  • Linearity Error-Max (EL)
    0.0244%
  • Sample and Hold / Track and Hold
    SAMPLE
  • Ratio - S/H:ADC
    1:1
  • RoHS Status
    ROHS3 Compliant
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS
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