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Microchip Technology MCP37D21-80E/TE
- Part No.:
- MCP37D21-80E/TE
- Manufacturer:
- Microchip Technology
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 121-TFBGA
- Datasheet:
-
MCP37D21-80E/TE.pdf
- Description:
- IC ADC 14BIT PIPELINED 121TFBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MCP37D21-80E/TE from Microchip Technology is a 14-bit, 80 Msps pipelined analog-to-digital converter (ADC) with integrated 8-channel MUX, digital signal post-processing (DSPP), and AEC-Q100 Grade 1 qualification. It delivers 73.9 dBFS SNR at 15 MHz input and 93 dBc SFDR, operates from 1.2V/1.8V supplies, and supports CMOS, DDR LVDS, and serialized DDR LVDS outputs for high-speed data acquisition in automotive radar and ultrasound systems.
For engineers reviewing the MCP37D21-80E/TE datasheet, MCP37D21-80E/TE pinout, MCP37D21-80E/TE application, or MCP37D21-80E/TE equivalent, this page provides verified specifications, TFBGA-121 package mapping, DSPP feature implementation details, and validated automotive-grade alternatives - all confirmed against Microchip's DS20006382A datasheet.
Technical Context
The MCP37D21-80E/TE implements a pipelined ADC architecture with built-in harmonic distortion correction (HDC), DAC noise cancellation (DNC), and dynamic element matching (DEM) to maintain linearity across -40°C to +125°C. Its configurable 8-channel MUX enables sequential multi-channel sampling at up to 80 Msps aggregate rate, with per-channel phase/offset/gain adjustment and fractional delay recovery (FDR) for time-aligned sampling in octal-channel mode.
Digital signal post-processing includes decimation filters (up to 512×), digital down-conversion (DDC), and continuous wave (CW) beamforming - all programmable via SPI-configurable registers. The device uses an internal PLL with duty cycle correction and supports AutoSync mode for deterministic synchronization of multiple units to a common clock source.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit with no missing codes; guarantees monotonic output and precise amplitude quantization for high-fidelity signal capture. |
| Sample Rate | 80 Msps in single-channel mode; scales linearly to 10 Msps per channel in full octal-mode operation. |
| SNR @ fIN = 15 MHz | 73.9 dBFS typical; enables accurate digitization of RF and ultrasound signals with low noise floor. |
| SFDR @ fIN = 15 MHz | 93 dBc typical; suppresses spurious tones critical for spectral purity in radar and communication receivers. |
| Power Dissipation (CMOS) | 253 mW at 80 Msps; optimized for portable and thermally constrained automotive sensor modules. |
| Input Bandwidth | 500 MHz (-3 dB); supports direct RF sampling of L-band radar and microwave signals without external IF stages. |
| Supply Voltages | Analog: 1.2V/1.8V; Digital: 1.2V/1.8V; dual-rail independence allows flexible power domain partitioning. |
| Operating Temperature | -40°C to +125°C (AEC-Q100 Grade 1); qualified for under-hood automotive radar and ADAS ECU integration. |
Pinout & Package
Package: TFBGA-121, 8 mm × 8 mm × 1.08 mm, 0.65 mm ball pitch, lead-free (Sn/Ag 1.8%), with embedded decoupling capacitors on REF0/REF1/VBG pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN0+ / AIN0- | Differential analog input channel 0 | Accepts up to 2.975 VP-P full-scale differential signal; bandwidth supports 500 MHz RF inputs. |
| CLK+ / CLK- | Differential clock input | Accepts 80–250 MHz LVPECL-compatible clock; internal duty cycle correction compensates for skew. |
| DCLK+ / DCLK- | Differential data clock output | LVDS output clock synchronized to DDR data edges; phase alignable via register-controlled DLL. |
| Q0/Q0- to Q15/Q7+ | Parallel digital output (CMOS or DDR LVDS) | 14-bit data mapped to Q0–Q13 in CMOS mode; Q0–Q13 used in 14-bit resolution per Table 1-2. |
| SCLK / CS / SDIO | SPI interface control | Configures DSPP features, calibration, channel selection, and output format; supports daisy-chained multi-device setups. |
| VCM / VCMIN+ | Common-mode voltage reference | VCM outputs 0.9 V; VCMIN+/- enable auto-calibration and must be tied together and connected to VCM. |
| AVDD12 / AVDD18 | Analog supply rails | Separate 1.2V and 1.8V analog supplies reduce noise coupling between precision analog and digital sections. |
| DVDD12 / DVDD18 | Digital supply rails | Independent 1.2V/1.8V digital supplies allow I/O voltage scaling and compatibility with FPGA/ASIC logic families. |
Key Features
| Feature | Design Value |
|---|---|
| Built-in DSPP engine | Enables real-time decimation (512×), DDC, FDR, and per-channel gain/phase/offset correction - eliminating need for external FPGA-based processing in beamforming systems. |
| AutoSync multi-device sync | Allows deterministic phase alignment of multiple MCP37D21-80E/TE units using a shared clock and SYNC pin, essential for coherent multi-antenna radar arrays. |
| Embedded reference & decoupling | On-package REF0/REF1/VBG decoupling capacitors eliminate external BOM components and improve PSRR stability over temperature and frequency. |
| Programmable full-scale range | Selectable 1.4875–2.975 VP-P differential input range via SENSE pin voltage, enabling optimal dynamic range matching for diverse sensor front-ends. |
| Calibration architecture | Harmonic distortion correction (HDC), DAC noise cancellation (DNC), and background DEM maintain 14-bit linearity across automotive temperature extremes. |
Applications
| Radar Signal Acquisition | Ultrasound Beamforming |
|---|---|
|
Use Scenario: Digitizing 77 GHz FMCW radar IF signals in automotive ADAS sensors. IC Role / Device Role / Timing Role: High-speed ADC capturing baseband quadrature outputs from mixer chains with sub-ns timing alignment. Use Value: 500 MHz input bandwidth and 80 Msps sample rate support direct digitization of wide IF bandwidths; FDR ensures channel coherence for synthetic aperture processing. |
Use Scenario: Real-time sampling of transducer array channels in portable ultrasound scanners. IC Role / Device Role / Timing Role: 8-channel simultaneous-sampling ADC performing CW beamforming and per-channel gain compensation. Use Value: Integrated DSPP eliminates external DSP for delay-and-sum operations; 14-bit resolution preserves tissue contrast in Doppler imaging. |
| Lidar Time-of-Flight Processing | High-Speed Test Equipment |
|
Use Scenario: Capturing fast transient return pulses from solid-state lidar detectors. IC Role / Device Role / Timing Role: Precision ADC converting analog pulse amplitudes and timing edges for distance calculation. Use Value: 73.9 dBFS SNR and 93 dBc SFDR ensure accurate pulse amplitude measurement; low-latency 28-cycle pipeline enables tight timing closure. |
Use Scenario: Front-end digitization in automated test equipment for RF component validation. IC Role / Device Role / Timing Role: Reference-grade ADC providing traceable waveform capture for modulation accuracy analysis. Use Value: AEC-Q100 qualification ensures long-term stability during extended burn-in tests; serialized LVDS output simplifies high-density interconnect routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS54J60IRGC | 14-bit, 900 Msps, JESD204B serial output; no integrated DSPP or MUX; higher power (1.8 W). | Targets high-throughput backhaul and 5G infrastructure; lacks automotive qualification and embedded beamforming. | Choose when ultra-high sample rate and JESD204B interface outweigh need for on-chip processing and AEC-Q100 compliance. |
| AD9249BBCZ | 14-bit, 65 Msps, 16-channel, parallel CMOS/LVDS; includes on-chip decimation but no DDC/FDR/CW beamforming. | Designed for medical CT and MRI; industrial temp range only (-40°C to +85°C); no AEC-Q100 Grade 1 rating. | Prefer for multi-channel industrial DAQ where lower sample rate is acceptable and automotive qualification is not required. |
Compared with ADS54J60IRGC and AD9249BBCZ, the MCP37D21-80E/TE uniquely combines AEC-Q100 Grade 1 operation, integrated DSPP for radar/ultrasound beamforming, and 80 Msps 14-bit performance in a thermally efficient 253 mW CMOS-output package - making it the only drop-in solution for automotive sensor fusion ECUs requiring deterministic multi-channel timing and on-die signal conditioning.
Availability
MCP37D21-80E/TE is available at Aetrix Electronics and suitable for automotive radar modules, ultrasound imaging subsystems, and high-speed test instrumentation requiring stable component supply, long-lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for MCP37D21-80E/TE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a global semiconductor company specializing in microcontrollers, analog devices, and mixed-signal ICs, with strong focus on automotive, industrial, and communications markets.
The MCP37Dx1-80 family was designed specifically for high-performance, multi-channel data acquisition in automotive radar, lidar, and medical ultrasound - integrating precision ADC cores with programmable digital signal processing to reduce system-level FPGA dependency.
FAQ
What is the maximum effective sample rate per channel for MCP37D21-80E/TE in octal-channel mode?
The MCP37D21-80E/TE achieves 80 Msps aggregate sample rate. In octal-channel mode, the effective rate per channel is 10 Msps (80 ÷ 8). This is fixed by the pipelined core architecture and applies regardless of MUX configuration or DSPP settings. The device maintains full 14-bit ENOB across all channels at this rate, as verified in DS20006382A Section 2.2.
Does MCP37D21-80E/TE support serialized LVDS output, and what is its data width?
Yes, MCP37D21-80E/TE supports serialized DDR LVDS output exclusively in octal-channel mode, delivering 16-bit data per channel over a single differential pair. The serialization maps Q0–Q13 (14-bit resolution) plus two reserved bits, with MSb transmitted first. This mode reduces PCB routing complexity versus parallel interfaces while maintaining timing integrity.
How does the SENSE pin configure the full-scale input range of MCP37D21-80E/TE?
The SENSE pin sets the differential full-scale input range of MCP37D21-80E/TE: 1.4875 VP-P when tied to GND, 2.975 VP-P when tied to AVDD12, or proportionally scaled for intermediate voltages (400–800 mV). This analog voltage directly controls internal reference generation, enabling dynamic range optimization for varying sensor output levels without external resistor networks.
Is MCP37D21-80E/TE pin-compatible with other members of the MCP37Dx1-80 family?
Yes, MCP37D21-80E/TE is pin-to-pin compatible with MCP37D31-80 and MCP37D11-80 per DS20006382A Note 1. All share identical TFBGA-121 footprint, power pin layout, and signal ball assignments. However, resolution-specific output pins (e.g., Q14/Q15 usage) differ - software configuration must match selected device's resolution mode to avoid undefined behavior.
What calibration features are active during normal operation of MCP37D21-80E/TE?
MCP37D21-80E/TE performs harmonic distortion correction (HDC), DAC noise cancellation (DNC), and dynamic element matching (DEM) continuously during conversion. These algorithms run in background without interrupting sampling, ensuring sustained 14-bit linearity across -40°C to +125°C. Power-up calibration completes within milliseconds, signaled by the CAL pin going high.
MCP37D21-80E/TE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 121-TFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 80M
- Number of Inputs:
- 8
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- MUX-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.14V ~ 1.26V, 1.71V ~ 1.89V
- Voltage - Supply, Digital:
- 1.14V ~ 1.26V, 1.71V ~ 1.89V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 121-TFBGA (8x8)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
MCP37D21-80E/TE FAQ
1.How can I place an order for MCP37D21-80E/TE through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP37D21-80E/TE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MCP37D21-80E/TE reliable?
The price and inventory of MCP37D21-80E/TE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP37D21-80E/TE is usually 5 days.
3.What payment methods are accepted for MCP37D21-80E/TE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP37D21-80E/TE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP37D21-80E/TE?
MCP37D21-80E/TE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP37D21-80E/TE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MCP37D21-80E/TE?
For technical support, including MCP37D21-80E/TE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP37D21-80E/TE requirements.
6.How does Aetrix verify that MCP37D21-80E/TE is sourced from the original manufacturer or authorized distributors?
All MCP37D21-80E/TE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCP37D21-80E/TE meets industry standards.
7.What is the process for return or replacement of MCP37D21-80E/TE?
All MCP37D21-80E/TE units undergo pre-shipment inspection (PSI). If there is an issue with MCP37D21-80E/TE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MCP37D21-80E/TE part is unused and in its original packaging.
Return procedure for MCP37D21-80E/TE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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