Inicio Convertidores de datos Convertidores analógico-digitales (ADC) ADC de precisión
Inicio
Convertidores de datos
Convertidores analógico-digitales (ADC)
ADC de precisión

ADS125H01

ACTIVO

ADC delta-sigma de 24 bits, 40 kSPS y 1 canal con PGA de bajo ruido y entrada de ±20 V

Haga su pedido ahora
Hoja de datos

ADS125H01

ACTIVO
Hoja de datos Haga su pedido ahora

Detalles del producto

Resolution (Bits) 24 Sample rate (max) (ksps) 40 Number of input channels 1 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External Input voltage range (max) (V) 15.5 Input voltage range (min) (V) 0 Features 50/60 Hz Rejection, Oscillator, PGA, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 45 Analog supply voltage (min) (V) -18, 0 Analog supply voltage (max) (V) 18, 36 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 24 Sample rate (max) (ksps) 40 Number of input channels 1 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External Input voltage range (max) (V) 15.5 Input voltage range (min) (V) 0 Features 50/60 Hz Rejection, Oscillator, PGA, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 45 Analog supply voltage (min) (V) -18, 0 Analog supply voltage (max) (V) 18, 36 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
VQFN (RHB) 32 25 mm² 5 x 5
  • ±20-V input, 24-bit delta-sigma ADC
  • Programmable data rate: 2.5 SPS to 40 kSPS
  • High-voltage, 1-GΩ input impedance PGA:
    • Differential input range: up to ±20 V
    • Absolute input range: up to ±15.5 V
    • Programmable attenuation and gain:
      • 0.125 to 128
  • High-performance ADC:
    • Noise: 45 nVRMS (gain = 128, 20 SPS)
    • CMRR: 105 dB
    • 50-Hz and 60-Hz rejection: 95 dB
    • Offset drift: 10 nV/°C
    • Gain drift: 1 ppm/°C
    • INL: 2 ppm
  • Integrated features and diagnostics:
    • Internal oscillator
    • Signal and reference voltage monitors
    • Cyclic redundancy check (CRC)
  • Power supplies:
    • AVDD: 4.75 V to 5.25 V
    • DVDD: 2.7 V to 5.25 V
    • HVDD: ±5 V to ±18 V
  • Operating temperature: –40°C to +125°C
  • 5-mm × 5-mm VQFN package
  • ±20-V input, 24-bit delta-sigma ADC
  • Programmable data rate: 2.5 SPS to 40 kSPS
  • High-voltage, 1-GΩ input impedance PGA:
    • Differential input range: up to ±20 V
    • Absolute input range: up to ±15.5 V
    • Programmable attenuation and gain:
      • 0.125 to 128
  • High-performance ADC:
    • Noise: 45 nVRMS (gain = 128, 20 SPS)
    • CMRR: 105 dB
    • 50-Hz and 60-Hz rejection: 95 dB
    • Offset drift: 10 nV/°C
    • Gain drift: 1 ppm/°C
    • INL: 2 ppm
  • Integrated features and diagnostics:
    • Internal oscillator
    • Signal and reference voltage monitors
    • Cyclic redundancy check (CRC)
  • Power supplies:
    • AVDD: 4.75 V to 5.25 V
    • DVDD: 2.7 V to 5.25 V
    • HVDD: ±5 V to ±18 V
  • Operating temperature: –40°C to +125°C
  • 5-mm × 5-mm VQFN package

The ADS125H01 is a ±20-V input, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC). The ADC features a low-noise programmable gain amplifier (PGA), a clock oscillator, and signal or reference out-of-range monitors.

The integration of a wide input range, ±18-V supply PGA and an ADC into a single package reduces board area up to 50% compared to discrete solutions.

Programmable attenuation and gain of 0.125 to 128 (corresponding to an equivalent input range from ±20 V to ±20 mV) eliminates the need for an external attenuator or external gain stages. A 1-GΩ minimum input impedance reduces error resulting from sensor loading. Additionally, the low-noise and low-drift performance allow direct connections to strain-gauge bridge and thermocouple sensors that are affected by high common-mode voltage.

The digital filter is programmable over a wide range from 2.5 SPS to 40 kSPS. Attenuation of 50-Hz and 60-Hz line cycle noise for data rates ≤ 50 SPS or 60 SPS reduces measurement error. In most data rates, the filter provides no-latency conversion data for high data throughput during external channel sequencing.

The ADS125H01 is housed in a 5-mm × 5-mm VQFN package and is fully specified over the –40°C to +125°C temperature range.

The ADS125H01 is a ±20-V input, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC). The ADC features a low-noise programmable gain amplifier (PGA), a clock oscillator, and signal or reference out-of-range monitors.

The integration of a wide input range, ±18-V supply PGA and an ADC into a single package reduces board area up to 50% compared to discrete solutions.

Programmable attenuation and gain of 0.125 to 128 (corresponding to an equivalent input range from ±20 V to ±20 mV) eliminates the need for an external attenuator or external gain stages. A 1-GΩ minimum input impedance reduces error resulting from sensor loading. Additionally, the low-noise and low-drift performance allow direct connections to strain-gauge bridge and thermocouple sensors that are affected by high common-mode voltage.

The digital filter is programmable over a wide range from 2.5 SPS to 40 kSPS. Attenuation of 50-Hz and 60-Hz line cycle noise for data rates ≤ 50 SPS or 60 SPS reduces measurement error. In most data rates, the filter provides no-latency conversion data for high data throughput during external channel sequencing.

The ADS125H01 is housed in a 5-mm × 5-mm VQFN package and is fully specified over the –40°C to +125°C temperature range.
filter Buscar otro/a ADC de precisión
Descargar Ver vídeo con transcripción Video

Productos similares que pueden interesarle

open-in-new Comparar alternativas
Pin por pin con la misma funcionalidad que el dispositivo comparado
ADS125H02 ACTIVO ADC delta-sigma de 24 bits, 40 kSPS, 2 canales con entrada ±20 V, PGA, IDAC, GPIO y VREF Higher channel count (2)

Documentación técnica

star =Principal documentación para este producto seleccionada por TI
No se encontraron resultados. Borre su búsqueda y vuelva a intentarlo.
Ver todo 7
Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet ADS125H01 ±20-V Input, 40-kSPS, 24-Bit, Delta-Sigma ADC datasheet (Rev. A) PDF | HTML 15 ene 2021
Circuit design Precision, ±15V Power Supply Circuit from a +5V Source for High-Voltage Data Converters PDF | HTML 04 dic 2025
Application note Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) PDF | HTML 18 mar 2024
Application note A Basic Guide to Bridge Measurements (Rev. A) PDF | HTML 13 mar 2024
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29 mar 2023
Application note Communication Methods for Data Integrity Using Delta-Sigma Data Converters (Rev. A) PDF | HTML 23 ago 2021
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

ADS125H02EVM — Módulo de evaluación ADS125H02

El módulo de evaluación (EVM) ADS125H02 es una plataforma para evaluar el convertidor analógico a digital (ADC) ADS125H02. El ADS125H02 es un ADC sigma-delta (ΔΣ) de amplio rango de entrada, 24 bits, 19.2 kSPS, con PGA integrado, referencia de tensión y monitores de fallos internos. La tensión de (...)

Guía del usuario: PDF
View Options
Soporte de software

ADS125H02-C-EXAMPLE-CODE — ADS125H02 example C code

Expedite your embedded design using this example C code for the ADS125H02
Productos y hardware compatibles

Productos y hardware compatibles
Descargar
Modelo de simulación

ADS125H0X IBIS Model

SBAM384.ZIP (65 KB) - IBIS Model
Descargar
Herramienta de cálculo

ADC-RTD-CONFIG-CALC — RTD Configuration Calculator for Precision ADCs

This resistance temperature detector (RTD) configuration calculator is a Microsoft® Excel-based tool that helps the user identify a system solution for an RTD application. Two-, three- and four-wire RTD configurations are shown by default, with options for a high-side or low-side reference (...)

Productos y hardware compatibles

Productos y hardware compatibles
Descargar
Herramienta de cálculo

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Productos y hardware compatibles

Productos y hardware compatibles
Iniciar Descargar
Herramienta de cálculo

SBAC234 — ADS125H02 Design Calculator

Productos y hardware compatibles

Productos y hardware compatibles
Descargar
Herramienta de diseño

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
Productos y hardware compatibles

Productos y hardware compatibles
Iniciar
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 (...)
Solicitar
Herramienta de simulación

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
View Options
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RHB) 32 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

Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

Ver todos los temas del foro en inglés

El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

Si tiene alguna pregunta sobre calidad, encapsulados o pedido de productos de TI, consulte el servicio de asistencia de TI. ​​​​​​​​​​​​​​

Videos