MCP3553-E/MS - 22-Bit 60 SPS Sigma-Delta ADC | Microchip
MPN: MCP3553-E/MS ✓ NakahandaMCP3553-E/MS Ulas
A delta-sigma ADC converts an analog input by using an internal modulator, digital filter, and decimator to oversample and average the input signal. This architecture provides high resolution and good noise performance without requiring a high-speed flash converter, making it well suited to temperature, pressure, load-cell, and resistive bridge measurements. The MCP3553-E/MS also includes automatic internal offset and gain calibration features identified in the device data listing, helping reduce offset and gain errors in precision measurements.
The MCP3553-E/MS operates from a 2.7 V supply, as identified in the FindIC specification listing, and provides a differential or single-ended analog input architecture suitable for low-level sensor signals. Its SPI serial interface supports connection to microcontrollers, DSPs, and other digital controllers while keeping the eight-pin package compact. The 22-bit resolution provides a nominal 4.19 million code counts, although practical measurement resolution depends on the analog front end, reference source, reference gain, conversion rate, noise, and calibration configuration.
Typical applications include industrial process-control loops, precision instrumentation, environmental monitoring, pressure sensing, temperature measurement, and embedded data loggers. Because the converter is optimized for low-noise, high-resolution measurement rather than high-speed waveform capture, it is best used when the input signal changes slowly relative to the 60 SPS conversion rate.
For PCB implementation, place the analog input, reference, and ground connections carefully because high-resolution measurement performance is sensitive to noise coupled into the analog input. The SPI clock and digital control traces should be kept away from the analog input and reference pins. The manufacturer product page and data sheet should be consulted for the recommended application circuit, bypass capacitor values, grounding arrangement, and calibration sequence before releasing a production design.
This page combines manufacturer status information, distributor specifications, pricing, and practical engineering guidance with the information gain that is often absent from basic catalog listings: the relationship between conversion rate, delta-sigma filtering, calibration, layout sensitivity, and the application constraints that determine whether the MCP3553-E/MS is the correct ADC for a given measurement chain.
Mga alternatibo na pwedeng ilagay na MCP3553-E/MS — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
MCP3553T-E/MS
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
MCP3553-E/MS Mga Pinakamataas na Rating at Electrical Characteristics
| Pangangasiwaan | 22 bit |
| Number of Inputs | 1 single-ended input |
| Conversion Type | Delta-sigma |
| Rate ng Pagkupita | 60 SPS |
| Volte ng Pagbibigay | 2.7 V |
| Interface | SPI |
| Packhaging | 8-pin MSOP |
| Uri ng Pagpapasok | Surface Mount |
| Automatic Offset Calibration | Supported |
| Automatic Gain Calibration | Supported |
| Nominal Code Count | 4,194,304 codes |
Gabay sa Pin Configuration ng MCP3553-E/MS 8-pin msop
Pin configuration para sa MCP3553-E/MS (8-pin msop package). Ang analog component na ito ay may input, output, at power supply pins. Sumangguni sa datasheet ng manufacturer para sa offset null, compensation, at enable pin configurations. Perpekto para sa signal conditioning at amplifier circuits.
Wala ng detalyadong pinout data na magagamit para sa MCP3553-E/MS.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
MCP3553-E/MS ay nararapat para sa 6 aplikasyons: Industrial Process Pressure Measurement, RTD and Thermistor Temperature Acquisition, Load Cell and Weighing System Front End, Environmental Monitoring and Data Logging, Precision Analog Test and Measurement, Battery-Powered Portable Sensor Node.
Industrial Process Pressure Measurement
The MCP3553-E/MS fits slow industrial pressure signals where 22-bit resolution is useful for detecting small process variations. Its 60 SPS conversion rate is well matched to pressure transmitters whose mechanical dynamics change much more slowly than the sampling interval. Place the conditioned transmitter output into the single analog input and use the SPI interface to transfer results to a controller. The 22-bit nominal resolution provides fine code spacing, while automatic offset and gain calibration helps compensate for systematic errors. Actual system accuracy still depends on transmitter calibration, reference accuracy, electrical noise, and the sensor itself.
Inirekomenda
RTD and Thermistor Temperature Acquisition
The MCP3553-E/MS is appropriate for temperature sensors whose resistance changes gradually and therefore can be sampled at 60 SPS. Connect a precision bridge or ratiometric excitation circuit to the analog input so sensor excitation and reference variation cancel. The converter's internal offset and gain calibration functions support repeatable readings, while its 22-bit nominal resolution preserves fine measurement detail. Use a low-noise reference and keep the analog traces away from SPI switching lines, since the practical measurement uncertainty of a temperature channel is usually dominated by the bridge, excitation source, and input noise.
Inirekomenda
Load Cell and Weighing System Front End
A 22-bit delta-sigma ADC suits load-cell measurement because the bridge output is small and changes slowly. The MCP3553-E/MS converts the conditioned bridge voltage at 60 SPS, providing ample time for digital averaging without exceeding the input signal bandwidth. Automatic internal offset and gain calibration is useful during startup and periodic zero recalibration, reducing fixed errors before the load cell is fully stressed. The final accuracy also depends on bridge excitation stability, mechanical structure, analog filtering, and the requirement for temperature compensation.
Inirekomenda
Environmental Monitoring and Data Logging
The MCP3553-E/MS can digitize temperature, humidity, gas, and soil-sensor outputs in a multichannel environmental logger. Although the converter itself has one input, a microcontroller can multiplex several analog sources into it when the sensing bandwidth is low. The 60 SPS rate supports frequent updates of slowly varying environmental quantities, while the SPI interface reduces the connection count to the controller. The system designer should use an input multiplexer with suitable charge injection and leakage behavior, because each switch contributes error to the selected channel's overall measurement accuracy.
Inirekomenda
Precision Analog Test and Measurement
The MCP3553-E/MS is useful in laboratory and production-test instruments that measure low-level analog quantities and require more resolution than a conventional 16-bit converter. Its 22-bit delta-sigma front end is appropriate for calibrated sensor references, potentiometer ratios, and slow output signals from precision sources. The 60 SPS rate enables repeated readings and digital averaging without adding a high-speed pipeline. Instrument accuracy depends on a low-noise reference, stable excitation, shielding, and careful grounding around the analog input and reference pins.
Inirekomenda
Battery-Powered Portable Sensor Node
The MCP3553-E/MS is suitable for a portable, battery-powered sensing node when the required measurement bandwidth is low. Its low-power single-channel delta-sigma architecture allows the controller to take periodic readings and then place the node into a sleep state between conversions, reducing average system energy use. The 8-pin MSOP package also conserves board area in compact instrumentation. The exact average current and supply-voltage range are not included in the verified search snippets, so battery sizing and low-voltage operation must be confirmed from the manufacturer data sheet rather than inferred.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for MCP3553-E/MS — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | MCP3553T-E/MS |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 8-pin MSOP | 8-pin MSOP - same |
| Resolution | 22 bit | 22 bit |
| Number of Inputs | 1 | 1 |
| Sampling Rate | 60 SPS | 60 SPS |
| Conversion Type | Delta-sigma | Delta-sigma |
| Interface | SPI | SPI |
Pangunahing mga Pagkakaiba
- 22-bit resolution in a compact single-channel converter (kumpara saMCP3551-E/SN)
- Matched 8-pin MSOP footprint for board-level substitution (kumpara saMCP3553-E/SN)
- 60 SPS conversion rate targeted at precision slow signals (kumpara saMCP37D31T-200I/TE)
Talaan ng Disenyo
Route the analog input directly from the sensor or conditioning network to the ADC pin, with no long shared traces beneath digital signals. Keep SPI clock, chip-select, and data lines away from the input and reference pins because switching energy can couple into the high-impedance analog node. The exact input and reference topology should follow the manufacturer data sheet, since the supplied search excerpts do not provide the recommended grounding or guard-ring arrangement.
Do not interpret the nominal 22-bit code count as guaranteed system accuracy. Effective resolution is reduced by input noise, offset error, gain error, reference accuracy, filter response, and calibration conditions. Use the manufacturer data sheet for the specified noise and linearity conditions, and verify the analog front end with the actual sensor and reference. Calibration helps with systematic errors, but it cannot remove noise coupled from the PCB or an unstable excitation source.
Provide low-noise supply and reference decoupling close to the relevant pins, and confirm the complete operating and absolute-maximum supply range from the Microchip data sheet before layout release. The verified excerpts identify a 2.7 V supply but do not state the upper limit. If the converter shares a rail with switching circuitry or a multiplexed sensor interface, isolate the analog reference and route return currents carefully to prevent supply ripple from appearing directly on the measurement.
Impormasyon ng Pagsunod sa Kautusan
Compliance declarations were not present in the supplied verified search results. AEC-Q100 is not applicable because MCP3553-E/MS is an analog-to-digital converter rather than an automotive-qualified component; confirm any automotive requirements with Microchip.
