Test and measurement equipment solutions
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Test and Measurement Equipment Solutions. Test and Measurement Solutions. Introduction Q2 SOQ for test and measurement solutions from Intersil Purpose Introduce Intersil solutions for test and measurement equipment Objectives Overview of several sub-blocks of test and measurement

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Test and measurement equipment solutions

Test and Measurement Equipment Solutions


Test and measurement solutions

Test and Measurement Solutions

  • Introduction

    • Q2 SOQ for test and measurement solutions from Intersil

  • Purpose

    • Introduce Intersil solutions for test and measurement equipment

  • Objectives

    • Overview of several sub-blocks of test and measurement

    • Present Intersil feature products with select application circuits

  • Content

    • 19 Pages

  • Learning time

    • 30-40 minutes


Instrumentation

Instrumentation

Instrumentation Basics

  • Primarily digitizing systems

  • High degree of similarity in signal chains

  • Each application may have one or two unique or critical differentiators.

    Signal Chain

  • Amplifier + Filter + ADC, followed by an FPGA

  • DCPs used to trim and calibrate channel gain, offset.

  • Typically, signal chain components are chosen such that the ADC is the performance limit for resolution/dynamic range & linearity.

  • Input signals can be AC or DC coupled – may impact amplifier choice.

    FDA

  • Typically require lower noise and better linearity than ADC

  • Can be used to perform single-ended to differential conversion

  • General Receiver Chain application – Differential I/O gain block

    ADC

  • Sample rate sets the analysis bandwidth.

  • Resolution (SNR/ENOB) sets the dynamic range.

  • Linearity (SFDR) is important when large and small-scale signals present simultaneously.

    Power

  • Multi output voltage solutions for powering FPGAs

  • LDOs for low noise, low EMI

  • Products Highlighted:

    • High speed data converters

    • Fully-differential amps (FDAs)

    • Digital potentiometers (DCPs)

    • Precision amps

    • Precision voltage references

    • Current sense amps

    • Low dropout regulators (LDOs)

    • Synchronous buck regulators

    • Voltage supervisors


Data acquisition

Data Acquisition

Data Acquisition Basics

  • General purpose digitizing systems – broad set of end uses

  • High segmentation - numerous sample-rate, resolution, channel-count combinations

  • Performance of signal chain – linearity and dynamic range -- is usually critical.

  • Size and power can often be differentiators.

    Signal Chain Selection

  • Best-in-class linearity and dynamic range (ISL55210/1, ISLA112P50, ISLA214P50)

  • Multi-channel support (ISL224x4, ISLA112P50, ISLA214P50, ISLA216P25, ISLA224P25)

  • Max (sample rate, resolution) usually a strong selling point (ISLA216P25, ISLA214P50)

  • Pin-compatibility across sample-rate/resolution allows design re-use and speeds time-to-market (ISLA214P50, ISLA216P25)

  • Temperature stability for accurate signal conditioning (gain/phase/offset/filter cutoff) (ISLA224x4)

Power

  • Multi output voltage solutions for powering Processors or FPGA

    • ISL9440B Triple output controller and single LDO controller generates the rails for a FPGA.

    • ISL80101 LDO family can reduce EMI in noise sensitive areas.


Usb scope

USB Scope

USB Scope Basics

  • Wall powered – see data acquisition

  • USB powered – power consumption limited by USB power budget

  • Power – Highest performance, maximum functionality that fit within power budget

  • Good DNL required for time-domain display

  • Good noise and linearity for frequency-domain display

    Signal Chain Selection

  • Ultra-low power & high performance (ISL55210/1, ISLA110P50, ISLA118P50)

  • Multi-channel support (ISL22xx4, ISLA110P50, ISLA118P50)

  • Digital Gain – Use higher resolution ADC to enable software gain (ISLA112P50)

  • Temperature stability for accurate signal conditioning (gain/phase/offset/filter cutoff) (ISLA224x4)

    Power

  • Efficiency and size are the main focus.

    • ISL9440B, ISL9104, ISL8033 are some of the products that can power the FPGA and also work well to generate the power to the amplifiers in the system.

  • Current-limit protection for USB port (ISL80101A)


Spectrum analyzer

Spectrum Analyzer

Spectrum Analyzer basics

  • Primarily frequency domain analysis

  • Performance of signal chain – linearity and noise -- is usually critical.

  • Power consumption not an issue unless it is handheld.

    Signal Chain Selection

  • Best-in-class linearity and noise performance (ISL55210/1, ISLA216P25, ISLA214P50, ISLA214P25)

  • Maximum analysis bandwidth & high dynamic range (ISLA214P50, ISLA216P25)

  • High accuracy signal conditioning (gain/phase/offset/filter cutoff) (ISLA223x4)

  • Power

    • Multi output voltage solutions for powering Processors or FPGA

      • ISL9440B Triple output controller and single LDO controller generates the rails for a FPGA.

      • ISL80101LDO family can reduce EMI in noise sensitive areas.


  • Digital multimeter

    Digital Multimeter

    Digital Multimeter basics

    • Analog Front-End - Signal conditioning subsystem which amplifies or attenuates the analog signal (AC volts, DC volts, current, or resistance).

    • Control and Data Processing - Executes measuring processes and controls interface with memory and peripheral devices.

    • Memory/Peripheral Devices - Measurement results are stored in EEPROM or FLASH memory as a data log that can be uploaded to a PC via USB interface.

    • Power Management and Conversion - converts the input battery power to run various functional blocks.

      Signal Chain Selection

    • Best in Class – High Impedance (JFET) Amplifier (ISL28110/210)

    • Low Side Current Sense – (ISL28108/208, ISl28118/218)

    • Micro-Power Voltage References (Precision ISL21007/09/60, Low Cost ISL21070/80)

      Power

    • Efficiency and size are the main focus. (ISL9305H, ISL9003A)


    Featured products

    Featured Products


    Isla214p50 isla216p25 industry s fastest 14 16 bit adcs

    ISLA214P50 & ISLA216P25: Industry’s Fastest 14/16-Bit ADCs

    • ISLA214P50 & ISLA216P25

      • Highest Sample Rate available for 14 & 16-bit ADCs

        • Maximizes analysis bandwidth enabling faster spectral sweeps and simplified tuning requirements

      • Best-in-Class SNR & Power

        • Maximizes dynamic range at high sample rates

        • Minimizes power consumption and heat generation, simplifying thermal and power system design, and enabling smaller, more compact systems

      • Packed with Multi-Channel Support Features

        • Simplifies design of interleaved and multi-channel systems, reducing cost and time to market

      • Pin-compatibility

        • Allows both ADCs to use the same PCB, enabling design-reuse for increased product versatility and reduced costs


    Isla11xp50 industry s best low power 500msps adcs

    ISLA11xP50: Industry’s Best Low-Power 500MSPS ADCs

    • ISLA112P50, ISLA110P50, ISLA118P50

      • Highest Dynamic Range available for 8, 10 & 12-bit, 500MSPS ADCs

        • Maximizes sensitivity of data acquisition and USB scopes

      • Best-in-Class SNR / Power Combination

        • Maximizes dynamic range within limited power budget

          • High resolution enables additional processing functionality (digital gain, high fidelity ffts)

        • Maximizes number of channels supportable at required resolution (usually 8 to 10-Bits)

      • Packed with Multi-Channel Support Features

        • Simplifies design of interleaved and multi-channel systems, reducing cost and time to market.

      • Pin-compatibility

        • Allows both ADCs to use the same PCB, enabling design-reuse for increased product versatility and reduced costs


    Isl55210 wideband low power ultra high dynamic range differential amplifier

    ISL55210: Wideband, Low-Power, Ultra-High Dynamic Range Differential Amplifier

    • Key Performance Specs:

      • 4.0 GHz Gain Bandwidth Product

      • Ultra-fast Slew Rate (5600 V/us)

      • Ultra-low distortion (-109dBc at 100MHz)

      • Lowest Input Noise (0.85nV/√Hz)

      • Exceptionally low power (115mW)

    • Benefits for Instrumentation

      • 4.0GHz GBWP can accommodate high frequencies of interest

      • Fast slew rate does not distort the signal

      • Minimal performance degradation of ADCs up to 16-bit resolution

    • Fixed Gain ISL55211 also


    Isl223x3 4x4 single dual and quad 256 tap dcp

    ISL223x3/4x4: Single, Dual, and Quad 256-Tap DCP

    • Part Number Decoder

      • ISL223X3– I2C Interface

      • ISL224X4– SPI Serial Interface

      • X=1,2,4 (Single, Dual, Quad respectively)

    • Key Specifications

      • Non Volatile, 256-Tap DCP

      • Terminal Voltage Range = -5.5V to 5.5V

      • Temp Coefficient = +50 ppm/oC (end to end)+4 ppm/oC (ratiometric)

      • Operating Temp = -40oC to 125oC

    • Features

      • Total Resistance = 10kΩ, 50kΩ, 100kΩ

      • SPI Parts Have Daisy Chain Capability

    • Package

      • Single: MSOP-10

      • Dual: TSSOP-14 & 16 LD QFN

      • Quad: TSSOP-20 & 20 LD QFN

    Current Sensing with Digital Gain & Offset Control

    N DCPs in a Chain


    Isl28x33 micropower op amp

    ISL28x33: MicroPower Op Amp

    • ISL28133/233/433 - MicroPower Chopper Stabilized RRIO Op Amp

    • Features:

      • Very low offset voltage and low offset voltage drift for accuracy

      • Rail-to-Rail Input/Output for both high side and low side current sense application


    Isl60002 industry s lowest power vref

    ISL60002: Industry’s Lowest Power Vref

    • FGA™ voltage references are extremely low power and fabricated on Intersil’s proprietary Floating Gate Analog technology.

      • Nano Power: 700nA max*

      • Low Noise: 30µVpp (0.1Hz to 10Hz)

      • Voltage Outputs: 1.024V, 1.2V, 1.25V, 1.8V, 2.048V, 2.5V, 2.6V, 3V, 3.3V

      • Iout: 7mA (Source) / 20mA (Sink)*

      • Operating Voltage: 2.7V* to 5.5V

      • Wide Operating Temperature: -40°C to +105°C*

      • Industry Standard Package: 3 lead SOT23


    Isl28005 6 micropower current sense amplifier

    -Parallel Input Stages enable Very High Accuracy across entire Vcm Range.

    -Hysteretic Comparator controls operation

    -Gain Error driven by Amplifier offset error matching and Rs Kelvin errors

    ISL28005/6: MicroPower Current Sense Amplifier

    • ISL28005/6 – MicroPower High/Low Side Current Sense Amplifier

    Very High Accuracy Across Vcm Range

    Excellent for low ohmic measurements!


    Isl80101a ldo with adjustable current limit for usb port protection

    ISL80101A: LDO with adjustable current limit for USB port protection

    The current limit threshold of ISL80101A adjusted through a resister (Rset)

    • ISL80101A Key Features

      • Designed for accurate current limiting (+/- 10% typ)

      • Soft-start limits the inrush current during start-up

      • Input Voltage Range: 2.2V to 6V

      • Tight ±1.8% VOUT accuracy over -40ºC<TJ<125ºC

      • Very fast load transient response, excellent AC accuracy

      • Less than 1µA shutdown current (typ)

      • PGOOD, Enable, Short-Circuit & Reverse Current Protection, & Over-Temperature Shutdown Capability

      • Space saving 10-Ld 3x3 DFN package

    Can also be used to protect Fire Wire and other ports.


    Isl9305 dual high fsw buck dual ldo

    ISL9305: Dual High Fsw Buck + Dual LDO

    • Features

      • 3MHz Fsw on bucks reduces size & BOM cost.

      • I2C Interface control:

        • Output Voltage selection on all 4 channels

          • Voltage stepping in 50mV steps for buck regulators

          • 100mV steps for LDOs

        • Power Up/Down sequencing on all 4 channels

        • DCDCs In/Out Phase mode

        • PFM Ultrasonic Mode Selection

        • Programmable Slew rate control

      • QFN Versions Released

      • CSP Versions to Release 05/11

    • Description

      • Dual High Fsw Buck + Dual Low VIN LDO

      • 3MHz fixed switching frequency

      • Dual 800mA or 1.5A(H version) output current for the buck regulators

      • 300mA output current for the LDOs

    • Applications

      • Ideal for handheld Instrumentation as it provides system power in one chip


    Isl8016 high efficiency 6a int fet buck regulator

    ISL8016: High Efficiency 6A Int. FET Buck Regulator

    The big selling point for this part is the high efficiency over

    the full current range and size of the solution.

    This is best in class!

    • Description

      • Input Supply Voltage Range

        • 2.7V to 5.5V

      • Output Voltage Range

        • 0.8V to Vin

      • 6A Guaranteed O/P Current

      • Package – 20 Ld. 3x4 QFN

    • Features

      • Programmable Current Limit

      • Selectable Forced PWM and PFM Mode (Power Save Mode)

      • Output Current Sharing Capability (multiple ICs)

      • Adj. Fsw – 500kHz to 4Mhz & Fixed 1MHz default

      • Synchronization to External Clock – Up to 4MHz

      • +/-10% Voltage Margining

      • EN and PGOOD

      • Internal Current Mode Compensation (for default Fsw)

      • SYNC IN and SYNC OUT

      • Adj. Soft-Start

      • Start-up in Pre-biased Load


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