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ADS1256 — аналоги и замены | Microbase
Главная/Аналоговые компоненты/АЦП/ЦАП/ADS1256

ADS1256

Texas InstrumentsNeeds adaptationQFN-40

Аналоги и замены (1)

OEM part number

ADS1256

Texas Instruments

Аналоговые компоненты · АЦП/ЦАП

CN part number

TPC6240

3PEAK

Аналоговые компоненты · АЦП/ЦАП

Needs adaptationPartialQFN-40
24-bit ΔΣ ADC8/16 chPGA8kSPSIDACinternal refSPI

Комментарии об отличиях

ADS1256 ↔ TPC6240

ADS1256 — 24-bit ΔΣ ADC, 8 diff inputs, PGA 1-64, 30kSPS max, 4th-order modulator, SPI. TPC6240 — 24-bit ΔΣ ADC, 8/16 inputs, PGA 1-128, 8kSPS max, sinc5 filter, IDAC sources, internal ref. Отличия: ADS1256 имеет higher max data rate (30kSPS vs 8kSPS) — критично для fast DAQ. TPC6240 PGA gain выше (128 vs 64). ADS1256 — SSOP-28, TPC6240 — QFN-40, распиновка разная. У ADS1256 self-calibration and system calibration, у TPC6240 — auto-calibration. TPC6240 имеет more integrated features (GPIO, more IDAC ranges). Подводный камень: разная frequency response фильтров — при замене могут измениться 50/60Hz rejection характеристики.

Информация предоставлена в справочных целях. Перед внедрением любого аналога обязательно сверьте технические характеристики, температурные режимы и сертификаты безопасности в актуальных даташитах производителей. Ответственность за финальный выбор компонента и его применение несёт инженер.