ADS125H18

ACTIVO

ADC sigma-delta de 16 canales, 24 bits y 1 MSPS con entradas de alta tensión (±10 V) que utiliza

Detalles del producto

Resolution (Bits) 24 Sample rate (max) (ksps) 1000 Number of input channels 16 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 20 Input voltage range (min) (V) 0 Features 50/60 Hz Rejection, Daisy-Chainable, GPIO, Oscillator, Small Size, Temp. Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 24 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.25 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
Resolution (Bits) 24 Sample rate (max) (ksps) 1000 Number of input channels 16 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 20 Input voltage range (min) (V) 0 Features 50/60 Hz Rejection, Daisy-Chainable, GPIO, Oscillator, Small Size, Temp. Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 24 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.25 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
VQFN (RHB) 36 25 mm² 5 x 5
  • Programmable data rate up to 1.067MSPS
  • High impedance voltage divider with integrated precision matched resistors
  • Analog multiplexer with 17 independently selectable inputs:
    • Up to 8 fully differential inputs
    • Up to 16 single ended inputs
  • Rail-to-rail analog input buffer and reference buffer
  • Internal voltage reference, selectable output 2.5V or 4.096V
  • Fault detection and monitor circuits
  • General-Purpose I/Os
  • Internal Oscillator: 25.6MHz, 1% Accuracy
  • Channel auto-sequencer and FIFO buffer
  • Simultaneous 50Hz and 60Hz rejection at ≤ 25 SPS with low-latency digital filter
  • Power-scalable architecture with four speed modes
  • Programmable data rate up to 1.067MSPS
  • High impedance voltage divider with integrated precision matched resistors
  • Analog multiplexer with 17 independently selectable inputs:
    • Up to 8 fully differential inputs
    • Up to 16 single ended inputs
  • Rail-to-rail analog input buffer and reference buffer
  • Internal voltage reference, selectable output 2.5V or 4.096V
  • Fault detection and monitor circuits
  • General-Purpose I/Os
  • Internal Oscillator: 25.6MHz, 1% Accuracy
  • Channel auto-sequencer and FIFO buffer
  • Simultaneous 50Hz and 60Hz rejection at ≤ 25 SPS with low-latency digital filter
  • Power-scalable architecture with four speed modes

The ADS125H18 is a high voltage input, multiplexed 8/16-Channel, 24 bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) with data rates up to 1MSPS and is configurable to accept up to 8 fully differential analog inputs or up to 16 single-ended analog inputs. Each input comprises a high-impedance voltage divider with integrated precision matched resistors to scale down the input voltage to the input range of the ADC. The device offers an excellent combination of ac performance and dc precision with low power consumption.

The ADS125H18 is equipped with a channel auto-sequencer and a FIFO (first-in, first-out) buffer. The power-scalable architecture provides four speed modes to optimize data rate, resolution, and power consumption.

The small 5mm × 5mm VQFN package is designed for limited space applications. The device is fully specified for operation over the –40°C to +125°C temperature range.

The ADS125H18 is a high voltage input, multiplexed 8/16-Channel, 24 bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) with data rates up to 1MSPS and is configurable to accept up to 8 fully differential analog inputs or up to 16 single-ended analog inputs. Each input comprises a high-impedance voltage divider with integrated precision matched resistors to scale down the input voltage to the input range of the ADC. The device offers an excellent combination of ac performance and dc precision with low power consumption.

The ADS125H18 is equipped with a channel auto-sequencer and a FIFO (first-in, first-out) buffer. The power-scalable architecture provides four speed modes to optimize data rate, resolution, and power consumption.

The small 5mm × 5mm VQFN package is designed for limited space applications. The device is fully specified for operation over the –40°C to +125°C temperature range.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet ADS125H18 8/16-Channel, 1MSPS , 24 -Bit, Delta-Sigma ADC datasheet PDF | HTML 16 dic 2025
Circuit design Precision, ±15V Power Supply Circuit from a +5V Source for High-Voltage Data Converters PDF | HTML 04 dic 2025
Circuit design 4-Ch, diff. in., DAQ front-end circuit w/ configurable voltage & current inputs (Rev. A) PDF | HTML 19 sep 2024
Application note Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) PDF | HTML 18 mar 2024
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29 mar 2023
Product overview PLC Analog Input Front-End Architectures PDF | HTML 31 jul 2022
E-book Fundamentals of Precision ADC Noise Analysis (Rev. A) 19 jun 2020

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.

Placa de evaluación

ADS125H18EVM-PDK — Módulo de evaluación ADS125H18

El módulo de evaluación (EVM) ADS125H18 es una plataforma para evaluar el rendimiento del ADS125H18, un convertidor analógico a digital (ADC) sigma-delta (ΔΣ) multiplexado de 24 bits y 8 canales diseñado para medir directamente entradas a nivel de proceso (10 V y 4 mA a 20 mA). El ADS125H18 ofrece (...)
Guía del usuario: PDF | HTML
Soporte de software

ADS125H18-MSPM0-EXAMPLE-CODE ADS125H18 C Example Code

Start developing your embedded solution with example code for the ADS125H18 using an MSPM0 Launchpad
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Herramienta de cálculo

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Herramienta de simulación

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TINA-TI — Programa de simulación analógica basado en SPICE

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Guía del usuario: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RHB) 36 Ultra Librarian

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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