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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
- Medical ultrasound imaging transmit beamforming
- High resolution NDT and Sonar phase arrays
More information
Products
| Order Code | Datasheet | Simulation | Downloads | 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 | Operating Temperature | Qmin. | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Operating Temperature | Q (%) | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | Version | Endurance (h) | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | Ø D (mm) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150080YS75000 | SPEC | 6 files | WL-SMCW SMT Mono-color Chip LED Waterclear | 590 | Yellow | 595 | 120 | 2 | AlInGaP | 140 | – | – | – | 0805 | – | – | – | – | – | 2 | 1.25 | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.7 | – | – | – | Tape and Reel | ||
| 150080RS75000 | SPEC | 7 files | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Red | 630 | 150 | 2 | AlInGaP | 140 | – | – | – | 0805 | – | – | – | – | – | 2 | 1.25 | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.7 | – | – | – | Tape and Reel | ||
 | 7447785003 | SPEC | 8 files | WE-PD SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | 6033 | – | – | – | – | – | 5.9 | 6.2 | – | -40 °C up to +125 °C | – | 3.3 | 3.15 | 3 | 67 | Robust | – | – | – | – | – | – | – | 3.3 | – | – | – | – | ||
 | 865060340001 | SPEC | 8 files | WCAP-ASLL Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | 10 µF | ±20% | 16 | 4.0 x 5.5 | -55 °C up to +105 °C | – | 16 | 5.333 MΩ | – | 5.5 | 4.3 | – | -55 °C up to +105 °C | – | – | – | – | – | SMT | 2000 | 90 | 1350 | 3 | 4 | – | – | – | – | – | – | 15" Tape & Reel | ||
 | 61300421121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | 5.08 | – | – | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | 4 | Dual | – | Pin Header | Straight | 3 | Bag | |
 | 885012206111 | SPEC | 6 files | WCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | – | – | – | 3.3 nF | ±10% | 100 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
 | 885342007001 | SPEC | 7 files | WCAP-CSMH Mid and High Voltage | – | – | – | – | – | – | – | 220 pF | ±5% | 200 | 0805 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 2 | 1.25 | 0.5 | -55 °C up to +125 °C | 1000 | – | – | – | – | – | – | – | – | – | – | – | – | 1.25 | – | – | – | 7" Tape & Reel | ||
| 885012209069 | SPEC | 6 files | WCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | – | – | – | 1 µF | ±10% | 100 | 1210 | – | – | 2.5 | 0.1 GΩ | X7R Class II | 3.2 | 2.5 | 0.75 | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | – | – | – | 7" Tape & Reel |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150080YS75000 | SPEC | |
| 150080RS75000 | SPEC | |
| 7447785003 | SPEC | |
| 865060340001 | SPEC | |
| 61300421121 | SPEC | – |
| 885012206111 | SPEC | |
| 885342007001 | SPEC | |
| 885012209069 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | 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 | Operating Temperature | Qmin. | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Operating Temperature | Q (%) | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | Version | Endurance (h) | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | Ø D (mm) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|