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ADS131M06-Q1

ACTIVO

ADC delta-sigma para automoción de 6 canales, 24 bits y 32 kSPS de muestreo simultáneo

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ADS131M06-Q1

ACTIVO
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Detalles del producto

Resolution (Bits) 24 Sample rate (max) (ksps) 32 Number of input channels 6 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Automotive TI functional safety category Functional Safety-Capable Reference mode External, Internal Input voltage range (max) (V) 3.6 Input voltage range (min) (V) -1.3 Features PGA, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 SNR (dB) 101 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
Resolution (Bits) 24 Sample rate (max) (ksps) 32 Number of input channels 6 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Automotive TI functional safety category Functional Safety-Capable Reference mode External, Internal Input voltage range (max) (V) 3.6 Input voltage range (min) (V) -1.3 Features PGA, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 SNR (dB) 101 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
TQFP (PBS) 32 49 mm² 7 x 7
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • 6 simultaneously sampling differential inputs
  • Programmable data rate up to 32 kSPS
  • Programmable gain up to 128
  • Noise performance:
    • 102-dB dynamic range at gain = 1, 4 kSPS
    • 80-dB dynamic range at gain = 64, 4 kSPS
  • Total harmonic distortion: –100 dB
  • High-impedance inputs for direct sensor connection:
    • 330-kΩ input impedance for gains of 1, 2, and 4
    • ≥1-MΩ input impedance for gains of 8, 16, 32, 64, and 128
  • Programmable channel-to-channel phase delay calibration:
    • Resolution = 244 ns, fCLKIN = 8.192 MHz
  • Fast start-up: First data within 0.5 ms of supply ramp
  • Integrated negative charge pump allows input signals below ground
  • Crosstalk between channels: –120 dB
  • Low-drift internal voltage reference
  • Cyclic redundancy check (CRC) on communications and register map
  • Analog and digital supplies: 2.7 V to 3.6 V
  • Low-power consumption: 4.9 mW at 3-V AVDD and DVDD
  • Package: 32-pin TQFP
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • 6 simultaneously sampling differential inputs
  • Programmable data rate up to 32 kSPS
  • Programmable gain up to 128
  • Noise performance:
    • 102-dB dynamic range at gain = 1, 4 kSPS
    • 80-dB dynamic range at gain = 64, 4 kSPS
  • Total harmonic distortion: –100 dB
  • High-impedance inputs for direct sensor connection:
    • 330-kΩ input impedance for gains of 1, 2, and 4
    • ≥1-MΩ input impedance for gains of 8, 16, 32, 64, and 128
  • Programmable channel-to-channel phase delay calibration:
    • Resolution = 244 ns, fCLKIN = 8.192 MHz
  • Fast start-up: First data within 0.5 ms of supply ramp
  • Integrated negative charge pump allows input signals below ground
  • Crosstalk between channels: –120 dB
  • Low-drift internal voltage reference
  • Cyclic redundancy check (CRC) on communications and register map
  • Analog and digital supplies: 2.7 V to 3.6 V
  • Low-power consumption: 4.9 mW at 3-V AVDD and DVDD
  • Package: 32-pin TQFP

The ADS131M06-Q1 is a six-channel, simultaneously sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) that offers wide dynamic range and low power, making the device designed for automotive battery management systems (BMS). The ADC inputs can be directly interfaced to shunt resistors for bidirectional battery-current measurements, to resistor-divider networks for high-voltage measurements, or to temperature sensors (such as thermistors or analog output temperature sensors).

The individual ADC channels can be independently configured depending on the sensor input. A low-noise, programmable gain amplifier (PGA) provides gains ranging from 1 to 128 to amplify low-level signals. Additionally, this device integrates channel-to-channel phase calibration and offset and gain calibration registers to help remove signal-chain errors.

A low-drift, 1.2-V reference is integrated into the device reducing printed circuit board (PCB) area. Optional cyclic redundancy checks (CRCs) on the data input, data output, and register map maintain communication integrity.

The complete analog front-end (AFE) is offered in a 32-pin TQFP package and is specified over the automotive temperature range of –40°C to +125°C.

The ADS131M06-Q1 is a six-channel, simultaneously sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) that offers wide dynamic range and low power, making the device designed for automotive battery management systems (BMS). The ADC inputs can be directly interfaced to shunt resistors for bidirectional battery-current measurements, to resistor-divider networks for high-voltage measurements, or to temperature sensors (such as thermistors or analog output temperature sensors).

The individual ADC channels can be independently configured depending on the sensor input. A low-noise, programmable gain amplifier (PGA) provides gains ranging from 1 to 128 to amplify low-level signals. Additionally, this device integrates channel-to-channel phase calibration and offset and gain calibration registers to help remove signal-chain errors.

A low-drift, 1.2-V reference is integrated into the device reducing printed circuit board (PCB) area. Optional cyclic redundancy checks (CRCs) on the data input, data output, and register map maintain communication integrity.

The complete analog front-end (AFE) is offered in a 32-pin TQFP package and is specified over the automotive temperature range of –40°C to +125°C.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet ADS131M06-Q1 Automotive, 6-Channel, 32-kSPS, Simultaneous-Sampling, 24-Bit, Delta-Sigma ADC datasheet PDF | HTML 15 ago 2022
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29 mar 2023
Functional safety information ADS131M06-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 14 jun 2022
More literature Addressing BMS Battery Pack Current and Voltage Measurement Requirements 05 may 2022

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.

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Pedidos y calidad

Información incluida:
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  • 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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