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Главная/Аналоговые компоненты/16-bit SPI ADC/ADS1147

ADS1147

Texas InstrumentsNeeds adaptationVQFN-16

Аналоги и замены (1)

OEM part number

ADS1147

Texas Instruments

Аналоговые компоненты · 16-bit SPI ADC

CN part number

SGM58051

SGMICRO

Аналоговые компоненты · 16-bit SPI ADC

Needs adaptationPartialVQFN-16
16-bit RTD ADC with PGAIDACinternal voltage reference

Комментарии об отличиях

ADS1147 ↔ SGM58051

ADS1147: 16-bit ADC, 2kSPS, 4 diff inputs, PGA (1-128), internal ref, 2x IDAC (50µA-1.5mA), burnout detect, SPI, 2.7V-5.25V, -40°C to +125°C. SGM58051: аналог от SGMICRO. КЛЮЧЕВЫЕ ОТЛИЧИЯ: (1) ADS1147 имеет 4 differential inputs — проверить количество diff inputs у SGM58051; (2) IDAC: 2x matched current sources crucial для RTD ratiometric measurement — проверить matching accuracy (<0.1%) у SGM; (3) input impedance: ADS1147 >1MΩ ( PGA gain ≤16), SGM — проверить; (4) internal reference: ADS1147 2.048V ±0.02%, SGM — проверить accuracy и drift (типично 10-20ppm/°C); (5) SPI interface: оба с аналогичным protocol; (6) power: ADS1147 210µA analog + 40µA digital, SGM — проверить total ICC. Частичная замена: требуется проверка IDAC functionality, input MUX channel count, и noise specs для конкретного temperature sensor application.

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.