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Convertidores analógico-digitales (ADC)
ADC de precisión

ADS8321

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Convertidor analógico a digital (ADC) de muestreo de micropotencia de alta velocidad y 16 bits

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ADS8321

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Detalles del producto

Resolution (Bits) 16 Sample rate (max) (ksps) 100 Number of input channels 1 Interface type SPI Architecture SAR Input type Differential, Pseudo-Differential, Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 2.6 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 5.5 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 87 Digital supply (min) (V) 4.75 Digital supply (max) (V) 5.25
Resolution (Bits) 16 Sample rate (max) (ksps) 100 Number of input channels 1 Interface type SPI Architecture SAR Input type Differential, Pseudo-Differential, Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 2.6 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 5.5 Analog supply voltage (min) (V) 4.75 Analog supply voltage (max) (V) 5.25 SNR (dB) 87 Digital supply (min) (V) 4.75 Digital supply (max) (V) 5.25
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • BIPOLAR INPUT RANGE
  • 100kHz SAMPLING RATE
  • MICRO POWER:
  • 4.5mW at 100kHz
  • 1mW at 10kHz
  • POWER DOWN: 3&mirco;A max
  • MSOP-8 PACKAGE
  • PIN-COMPATIBLE TO ADS7816 AND ADS7822
  • SERIAL (SPI/SSI) INTERFACE
  • APPLICATIONS
    • BATTERY OPERATED SYSTEMS
    • REMOTE DATA ACQUISITION
    • ISOLATED DATA ACQUISITION
    • SIMULTANEOUS SAMPLING, MULTI-CHANNEL SYSTEMS
    • INDUSTRIAL CONTROLS
    • ROBOTICS
    • VIBRATION ANALYSIS

All thradmarks are the property of their respective owners.
  • BIPOLAR INPUT RANGE
  • 100kHz SAMPLING RATE
  • MICRO POWER:
  • 4.5mW at 100kHz
  • 1mW at 10kHz
  • POWER DOWN: 3&mirco;A max
  • MSOP-8 PACKAGE
  • PIN-COMPATIBLE TO ADS7816 AND ADS7822
  • SERIAL (SPI/SSI) INTERFACE
  • APPLICATIONS
    • BATTERY OPERATED SYSTEMS
    • REMOTE DATA ACQUISITION
    • ISOLATED DATA ACQUISITION
    • SIMULTANEOUS SAMPLING, MULTI-CHANNEL SYSTEMS
    • INDUSTRIAL CONTROLS
    • ROBOTICS
    • VIBRATION ANALYSIS

All thradmarks are the property of their respective owners.

The ADS8321 is a 16-bit sampling analog-to-digital converter (ADC) with tested specifications over a 4.75V to 5.25V supply range. It requires very little power even when operating at the full 100kHz data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode—the average power dissipation is less than 1mW at 10kHz data rate.

The ADS8321 also features a synchronous serial (SPI/SSI compatible) interface, and a differential input. The reference voltage can be set to any level within the range of 500mV to VCC/2.

Ultra-low power and small size make the ADS8321 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multi-channel systems, and isolated data acquisition. The ADS8321 is available in an MSOP-8 package.

The ADS8321 is a 16-bit sampling analog-to-digital converter (ADC) with tested specifications over a 4.75V to 5.25V supply range. It requires very little power even when operating at the full 100kHz data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode—the average power dissipation is less than 1mW at 10kHz data rate.

The ADS8321 also features a synchronous serial (SPI/SSI compatible) interface, and a differential input. The reference voltage can be set to any level within the range of 500mV to VCC/2.

Ultra-low power and small size make the ADS8321 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multi-channel systems, and isolated data acquisition. The ADS8321 is available in an MSOP-8 package.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet ADS8321: 16-Bit, High Speed, MicroPower Sampling Analog-to-Digital Converter datasheet (Rev. B) 16 sep 2004
Analog Design Journal Q3 2009 Issue Analog Applications Journal 24 sep 2018
Analog Design Journal Q4 2009 Issue Analog Applications Journal 24 sep 2018
White paper Voltage-reference impact on total harmonic distortion 01 ago 2016
User guide MSOP-8EVM and MSOP-8EVM-PDK User's Guide (Rev. A) 02 feb 2016
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21 may 2015
Application note Determining Minimum Acquisition Times for SAR ADCs, part 2 17 mar 2011
Application note Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) 10 nov 2010
Analog Design Journal Using fully differential op amps as attenuators, Part 3 04 oct 2009
Analog Design Journal Using fully differential op amps as attenuators, Part 2 14 jul 2009
Analog Design Journal Q2 2009 Issue Analog Applications Journal 01 may 2009
Analog Design Journal Using fully differential op amps as attenuators, Part 1 01 may 2009
Analog Design Journal Getting the most out of your instrumentation amplifier design 10 oct 2005

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Herramienta de cálculo

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JITTER-SNR-CALC — Jitter and SNR calculator

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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

PSpice® para TI es un entorno de diseño y simulación que ayuda a evaluar la funcionalidad de los circuitos analógicos. Esta completa suite de diseño y simulación utiliza un motor de análisis analógico de Cadence®. Disponible sin ningún costo, PSpice para TI incluye una de las bibliotecas de modelos (...)
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VSSOP (DGK) 8 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL)/reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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Soporte y capacitación

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