MCP3553-E/SN - 22-Bit 60 SPS ADC | Microchip Technology
부품 번호: MCP3553-E/SN ✓ 활성MCP3553-E/SN 개요
An ADC is an integrated circuit that converts an analog voltage into a digital number for processing, measurement, logging, or control. Delta-sigma ADCs belong to the data-converter IC category and use oversampling, digital filtering, and noise shaping to convert the input voltage. This architecture is especially useful for relatively slow sensors because it can offer fine resolution while integrating noise over the conversion interval.
The MCP3553-E/SN provides 22-bit nominal resolution, one analog input, one sigma-delta conversion channel, and a conversion rate of 60 samples per second. Its low-power design is suitable for battery-operated instrumentation, portable measurement equipment, and industrial sensor interfaces. The manufacturer also identifies automatic internal offset and gain calibration as a feature of the MCP3553 family.
The converter is intended for applications in which signal bandwidth is limited and conversion speed is less important than resolution. Its 60 SPS rate suits many temperature, pressure, load-cell, and slowly changing process-control signals. The 8-pin SOIC package is a surface-mount package that supports conventional PCB assembly and compact board layouts.
Typical uses include industrial process measurement, portable environmental monitoring, laboratory data acquisition, and automotive sensing systems. For an automotive design, confirm the exact qualification, temperature, and production requirements against the manufacturer datasheet. For non-automotive designs, the suffix and qualification still identify the same electrical converter family, so the complete ordering code should be checked before qualification.
Layout should keep the analog input trace short and route it away from digital switching nodes. Follow the manufacturer’s input-capacitance and grounding recommendations, provide a clean reference connection, and evaluate input filtering against the 60 SPS conversion rate. Calibrated performance also depends on stable excitation and reference conditions.
This product page combines the manufacturer’s device identity, package information, conversion characteristics, qualification status, sourcing links, and application guidance. It also distinguishes the verified operating facts from engineering details that still require design-specific validation.
드롭인 대체품: MCP3553-E/SN — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MCP3553-E/SN (동일 폼 팩터 및 풋프린트) — 차이점: Automotive Qualification, Conversion Rate.
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청MCP3553-E/SN 최대 정격 & 전기적 특성
| 분해능 | 22 bit |
| Conversion Rate | 60 samples/s |
| Input Channels | 1 channel |
| Architecture | Delta-sigma |
| Input Type | Single analog input |
| 공급 전압 | 2.7 V minimum |
| Automotive Qualification | AEC-Q100 qualified |
| 패키지 | 8-pin SOIC |
| Output Interface | Serial |
| Calibration | Automatic internal offset and gain calibration |
| 실장 유형 | Surface mount |
MCP3553-E/SN 8-pin soic 핀 구성 가이드
MCP3553-E/SN(8-pin soic 패키지)의 핀 구성입니다. 이 아날로그 부품에는 입력, 출력, 전원 공급 핀이 있습니다. 오프셋 널, 보상, 인에이블 핀 구성은 제조사 데이터시트를 참조하십시오. 신호 컨디셔닝 및 증폭기 회로에 이상적입니다.
다음에 대한 상세 핀아웃 데이터 없음: MCP3553-E/SN.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MCP3553-E/SN 적합 용도: 6 애플리케이션s: Industrial Process Measurement, Portable Environmental Monitoring, Automotive Sensing, Precision Load-Cell Interface, Laboratory Data Acquisition, Audio and Vibration Level Monitoring.
Industrial Process Measurement
The MCP3553-E/SN fits slow industrial process signals that require higher nominal resolution than a conventional 16-bit converter. Its 22-bit resolution and 60 samples/s rate can support temperature, pressure, and flow-sensor interfaces when the signal bandwidth is limited. The device is placed between a conditioned analog input and a digital controller, while the reference and input filter are designed to preserve measurement stability. The main design trade-off is speed: 60 SPS supports slowly varying process variables but not high-frequency transients.
추천
Portable Environmental Monitoring
The MCP3553-E/SN is appropriate for portable environmental monitors measuring humidity, pressure, temperature, or gas-sensor outputs. Its single-channel 22-bit architecture suits one slowly changing sensor at a time, and its 60 SPS rate can provide periodic readings without demanding high-rate acquisition. A battery-powered design must include sensor excitation and interface energy in the operating budget. Use a stable reference and a filtered input because nominal resolution alone does not guarantee accurate environmental readings.
추천
Automotive Sensing
The MCP3553-E/SN is identified as an AEC-Q100 automotive ADC, making it relevant to slow automotive sensing channels. The 22-bit nominal resolution can support precision measurements, while the 60 SPS rate is appropriate for signals such as temperature, pressure, or slowly changing actuator feedback. Firmware should perform averaging or filtering only where timing permits, and the analog path must reject vehicle electrical transients. Confirm the exact automotive qualification and temperature requirements with Microchip before production release.
추천
Precision Load-Cell Interface
The 22-bit nominal resolution of the MCP3553-E/SN makes it a candidate for slow force and load-cell measurements where millivolt-level signals are amplified before conversion. Its 60 SPS conversion rate is generally more relevant to static load, weighing, and calibration than dynamic vibration analysis. The bridge amplifier, excitation source, and reference must share a stable ground strategy to prevent drift. Filtering and gain calibration should be evaluated together because both affect the usable resolution of the complete measurement chain.
추천
Laboratory Data Acquisition
The MCP3553-E/SN can serve as a low-rate precision data-acquisition channel in laboratory instruments measuring temperature, pressure, voltage, or resistance-derived signals. Its 60 SPS rate suits instrumented tests with slowly varying parameters and provides 22-bit nominal output resolution for fine-grained observations. The measurement system should use shielded input routing, a stable reference, and an acquisition cycle synchronized with the converter. For waveforms or vibration, a faster converter is necessary because the MCP3553-E/SN intentionally prioritizes resolution over throughput.
추천
Audio and Vibration Level Monitoring
The MCP3553-E/SN can capture slowly varying sound-pressure, vibration-level, or control-voltage envelopes where 60 samples/s is sufficient. The 22-bit nominal resolution can preserve fine amplitude detail after suitable conditioning, but it is not a replacement for a waveform ADC when the full audio spectrum must be captured. Limit the input bandwidth with an analog filter, then calculate level or RMS values digitally. The reference and anti-alias filter require careful design to avoid reducing the benefit of the converter’s nominal resolution.
추천
추천 제품 요약
엔지니어링 참조 데이터: MCP3553-E/SN — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 |
|---|---|
| Resolution | 22 bit |
| Conversion Rate | 60 samples/s |
| Input Channels | 1 channel |
| Architecture | Delta-sigma |
| Package | 8-pin SOIC |
| Brand | Microchip Technology |
| Automotive Qualification | AEC-Q100 qualified |
| Calibration | Automatic internal offset and gain calibration |
| Output Interface | Serial |
| Supply Voltage | 2.7 V minimum |
주요 차별점
- Higher nominal resolution than common 16-bit converters (vs MCP37D31T-200I/TE)
- Conversion rate suited to slow precision measurements (vs MCP37D31T-200I/TE)
- Automotive qualification and integrated calibration (vs MCP3551-E/SN)
설계 노트
Route the analog input as a short, quiet trace and keep it away from switching-regulator, digital-clock, and relay-node paths. Place the input filtering and reference components close to the MCP3553-E/SN, following the manufacturer’s recommended application layout. A single-channel ADC can still receive substantial interference if high-speed digital traces run beneath or parallel to the sensitive input. Use a continuous ground reference beneath the analog section when the board stackup permits.
Design the supply and reference network so both remain stable during conversion. The MCP3553-E/SN operates from a 2.7 V minimum supply according to the cross-reference data, but maximum supply voltage, current, and dropout behavior must be confirmed in the manufacturer datasheet before circuit design. Check the converter’s digital-interface levels against the host supply, and include decoupling and local return paths recommended for the package.
Choose the analog filter according to the 60 samples/s conversion rate rather than the converter’s nominal 22-bit resolution. An overly wide filter can admit out-of-band noise or alias activity into the measurement, while an unnecessarily narrow filter can add settling time after fast input changes. Evaluate the sensor’s bandwidth, acquisition cadence, and desired settling behavior together. The manufacturer’s input-filter and calibration guidance should govern the final component values.
Do not assume that the 22-bit nominal resolution is equivalent to 22 effective bits in a finished measurement. Reference noise, amplifier noise, excitation drift, input leakage, PCB contamination, and inadequate filtering can reduce usable accuracy. Allow the automatic internal offset and gain calibration to operate under the intended power-up and input conditions, and verify calibration results across temperature before approving production measurements.
규정 준수 정보
The product listing identifies MCP3553-E/SN as automotive AEC-Q100. Other environmental and material-compliance declarations are not confirmed on the product resources linked from this page.
