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ADC161S626

ACTIVO

SAR ADC de 16 bits, 250 kSPS, 1 canal con entrada completamente diferencial

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ADC161S626

ACTIVO
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Detalles del producto

Resolution (Bits) 16 Sample rate (max) (ksps) 250 Number of input channels 1 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Differential Rating Catalog Reference mode External Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 5.8 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 93.2 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 250 Number of input channels 1 Interface type Microwire (Serial I/O), SPI Architecture SAR Input type Differential Rating Catalog Reference mode External Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 5.8 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 SNR (dB) 93.2 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
VSSOP (DGS) 10 14.7 mm² (3 mm × 4.9 mm)
  • 16-bit Resolution With No Missing Codes
  • Ensured Performance from 50 to 250 kSPS
  • ±0.003% Signal Span Accuracy
  • Separate Digital Input/Output Supply
  • True Differential Input
  • External Voltage Reference Range of 0.5 V to VA
  • Zero-Power Track Mode with 0-µsec Wake-up Delay
  • Wide Input Common-mode Voltage Range of 0 V to VA
  • SPI/QSPI™/MICROWIRE™ Compatible Serial Interface
  • Operating Temperature Range of –40°C to +85°C
  • Small VSSOP-10 Package
  • Key Specifications
    • Conversion Rate 50 to 250 kSPS
    • DNL +0.8 / –0.5 LSB
    • INL ±0.8 LSB
    • Offset Error Temp Drift 2.5 µV/°C
    • Gain Error Temp Drift 0.3 ppm/°C
    • SNR 93.2 dBc
    • THD – 104 dBc
    • Power Consumption
      • 10 kSPS, 5 V 0.24 mW
      • 200 kSPS, 5 V 5.3 mW
      • 250 kSPS, 5 V 5.8 mW
      • Power-Down, 5 V 10 µW
  • 16-bit Resolution With No Missing Codes
  • Ensured Performance from 50 to 250 kSPS
  • ±0.003% Signal Span Accuracy
  • Separate Digital Input/Output Supply
  • True Differential Input
  • External Voltage Reference Range of 0.5 V to VA
  • Zero-Power Track Mode with 0-µsec Wake-up Delay
  • Wide Input Common-mode Voltage Range of 0 V to VA
  • SPI/QSPI™/MICROWIRE™ Compatible Serial Interface
  • Operating Temperature Range of –40°C to +85°C
  • Small VSSOP-10 Package
  • Key Specifications
    • Conversion Rate 50 to 250 kSPS
    • DNL +0.8 / –0.5 LSB
    • INL ±0.8 LSB
    • Offset Error Temp Drift 2.5 µV/°C
    • Gain Error Temp Drift 0.3 ppm/°C
    • SNR 93.2 dBc
    • THD – 104 dBc
    • Power Consumption
      • 10 kSPS, 5 V 0.24 mW
      • 200 kSPS, 5 V 5.3 mW
      • 250 kSPS, 5 V 5.8 mW
      • Power-Down, 5 V 10 µW

The ADC161S626 is a 16-bit successive-approximation register (SAR) Analog-to-Digital converter (ADC) with a maximum sampling rate of 250 kSPS. The ADC161S626 has a minimum signal span accuracy of ±0.003% over the temperate range of –40°C to +85°C. The converter features a differential analog input with an excellent common-mode signal rejection ratio of 85 dB, making the ADC161S626 suitable for noisy environments.

The ADC161S626 operates with a single analog supply (VA) and a separate digital input/output (VIO) supply. VA can range from 4.5 V to 5.5 V and VIO can range from 2.7 V to 5.5 V. This allows a system designer to maximize performance and minimize power consumption by operating the analog portion of the ADC at a VA of 5 V while interfacing with a 3.3-V controller. The serial data output is binary 2’s complement and is SPI compatible.

The performance of the ADC161S626 is ensured over temperature at clock rates of 1 MHz to 5 MHz and reference voltages of 2.5 V to 5.5 V. The ADC161S626 is available in a small 10-lead VSSOP package. The high accuracy, differential input, low power consumption, and small size make the ADC161S626 ideal for direct connection to bridge sensors and transducers in battery operated systems or remote data acquisition applications.

The ADC161S626 is a 16-bit successive-approximation register (SAR) Analog-to-Digital converter (ADC) with a maximum sampling rate of 250 kSPS. The ADC161S626 has a minimum signal span accuracy of ±0.003% over the temperate range of –40°C to +85°C. The converter features a differential analog input with an excellent common-mode signal rejection ratio of 85 dB, making the ADC161S626 suitable for noisy environments.

The ADC161S626 operates with a single analog supply (VA) and a separate digital input/output (VIO) supply. VA can range from 4.5 V to 5.5 V and VIO can range from 2.7 V to 5.5 V. This allows a system designer to maximize performance and minimize power consumption by operating the analog portion of the ADC at a VA of 5 V while interfacing with a 3.3-V controller. The serial data output is binary 2’s complement and is SPI compatible.

The performance of the ADC161S626 is ensured over temperature at clock rates of 1 MHz to 5 MHz and reference voltages of 2.5 V to 5.5 V. The ADC161S626 is available in a small 10-lead VSSOP package. The high accuracy, differential input, low power consumption, and small size make the ADC161S626 ideal for direct connection to bridge sensors and transducers in battery operated systems or remote data acquisition applications.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos ADC161S626 16-Bit, 50 to 250 kSPS, Differential Input, MicroPower ADC datasheet (Rev. D) PDF | HTML 19/12/2014
Guía del usuario SPIO-4 Precision Signal-Path Controller Board User Guide (Rev. A) 5/05/2018
Informe Voltage-reference impact on total harmonic distortion 1/08/2016
Libro electrónico Best of Baker's Best: Precision Data Converters -- SAR ADCs 21/05/2015
Guía del usuario ADC161S626 16-Bit, 50 kSPS to 250 kSPS, Diff Input, Sampling ADC User Guide 21/02/2012
Nota sobre la aplicación Bridging the Divide: A DAC Applications Tutorial (Precision Signal Path) 23/09/2010
Nota sobre la aplicación Liquid-Level Monitoring Using a Pressure Sensor 15/10/2008

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

ADC161S626EVM — Módulo de evaluación SAR ADC de entrada diferencial de 16 bits y 1 canal

The ADC161S626EVM is a demonstration kit for the ADC161S626, a 16-bit, 1-channel, 250KSPS, serial interface, differential input SAR analog-to-digital converter.  The EVM allows users to evaluate the operation and performance of the ADC161S626 data converter.  The user can source an analog (...)

Guía del usuario: PDF
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Placa de evaluación

LMP91000EVM — Módulo de evaluación LMP91000

The Texas Instruments LMP91000EVM evaluation module (EVM) helps designers evaluate the operation and performance of the LMP91000 Sensor Analog Front End for Electrochemical sensor. The LMP91000EVM is part of the Sensor AFE evaluation platform.

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Guía del usuario: PDF
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Modelo de simulación

ADC161S626 TINA-TI Reference Design

SNAM110.TSC (765 KB) - Diseño de referencia TINA-TI
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Modelo de simulación

ADC161S626 TINA-TI Transient Spice Model

SNAM109.ZIP (28 KB) - Modelo TINA-TI Spice
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Herramienta de diseño

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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.
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