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Microchip MD2131K7-G | Demoboard MD2131DB2 Demo Board Rev 2
High Speed Ultrasound Beamforming Source Driver
Overview
| Topology | Other Topology |
| IC revision | 1 |
Description
The MD2131DB2 demoboard is to used to generate the ultrasound transmit beamforming waveform with the Gaussian profile, and the adjustable frequency, amplitude and phase angle. The MD2131DB2 circuit uses two depletion-mode MOSFETs in the push-pull mode to drive the center tapped, coupled, RF power inductor. The two depletion-mode MOSFETs are packaged in a single 5x5mm DFN package. The sources of the MOSFETs are directly driven by the MD2131’s two outputs, whose maximum peak sinking current is up to 3.0A. These current source outputs are controlled by the MD2131’s internal angular vector switch matrix and the inphase and quadrature PWM input signals.
Features
- High resolution transmitting waveform
- Up to 3.0A push-pull source-driving current
- 230VP-P maximum output, uses two DN2625 FETs
- Angle vector beamforming I-Q switcher matrix
- 8-bit apodization DAC and 7.5° angular resolution
- Flexible frequency-resolution trade-off
- Programmable aperture windowing
- 250MHz maximum sampling rate
- 25MHz ultrasound maximum frequency
- PWM modulation push-pull current source
- Focusing phase adjustment & chirp waveform
- Fast SPI interface
- 2.5V CMOS logic interface
- +5.0V single power supply
- Low second order harmonic distortions
Typical applications
- High resolution NDT and Sonar phase arrays
- Medical ultrasound imaging transmit beamforming
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Qmin. | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Operating Temperature | Q(%) | L(µH) | IRP,40K(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Version | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | Ø D(mm) | Pins | Type | Mount | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0805 | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | PackagingTape and Reel | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0805 | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | PackagingTape and Reel | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]150 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0805 | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | PackagingTape and Reel | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | Size6033 | – | – | – | – | Length5.9 mm | Width6.2 mm | Height3.3 mm | – | – | Operating Temperature -40 °C up to +125 °C | – | Inductance3.3 µH | Performance Rated Current3.15 A | Saturation Current3 A | DC Resistance67 mΩ | Self Resonant Frequency60 MHz | VersionRobust | – | – | – | – | – | Pins2 | – | MountSMT | – | – | ||||
 | WCAP-ASLL Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLL Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance10 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size4.0 x 5.5 | – | Dissipation Factor16 % | Insulation Resistance5.333 MΩ | – | Length5.5 mm | Width4.3 mm | – | – | Packaging15" Tape & Reel | Operating Temperature -55 °C up to +105 °C | – | – | – | – | – | – | VersionSMT | Endurance 2000 | Ripple Current90 mA | Impedance1350 mΩ | Leakage Current3 µA | Diameter4 mm | – | – | MountV-Chip SMT | – | – | ||||
 | WR-PHD Pin Header - Dual, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | – | – | – | – | – | – | – | – | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | – | PackagingBag | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | Pins4 | TypeStraight | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | |||
| WCAP-CSGP MLCCs 100 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | – | – | – | Capacitance3.3 nF | Capacitance±10% | Rated Voltage100 V (DC) | Size0603 | Q-Factor [1]600 | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-CSMH Mid and High Voltage, –, – | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | – | – | – | – | – | – | – | Capacitance220 pF | Capacitance±5% | Rated Voltage200 V (DC) | Size0805 | Q-Factor [1]1000 | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| WCAP-CSGP MLCCs 100 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | – | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage100 V (DC) | Size1210 | Q-Factor [1]600 | Dissipation Factor2.5 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width2.5 mm | Height2 mm | Pad Dimension0.75 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |