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ADS1014-Q1

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Automotive 12-Bit 3.3kSPS 1-Ch Delta-Sigma ADC With PGA, Oscillator, VREF, Comparator, and I2C

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Automotive 12-Bit 3.3kSPS 1-Ch Delta-Sigma ADC With PGA, Oscillator, VREF, Comparator, and I2C

ADS1014-Q1

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Product details

Parameters

Resolution (Bits) 12 Number of input channels 1 Sample rate (Max) (kSPS) 3.3 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-Ended Multi-channel configuration — Rating Automotive Reference mode Int Input range (Max) (V) 5.5 Input range (Min) (V) 0 Features Oscillator Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 0.3 Analog voltage AVDD (Min) (V) 2 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 0.5 Digital supply (Min) (V) 2 Digital supply (Max) (V) 5.5 open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

VSSOP (DGS) 10 9 mm² 3 x 3 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C to +125°C
    • HBM ESD Classification 2
    • CDM ESD Classification C4B
  • 12-Bit Noise-Free Resolution
  • Wide Supply Range: 2.0 V to 5.5 V
  • Low Current Consumption: 150 µA
    (Continuous-Conversion Mode)
  • Programmable Data Rate:
    128 SPS to 3.3 kSPS
  • Single-Cycle Settling
  • Internal Low-Drift Voltage Reference
  • Internal Oscillator
  • I2C Interface: Four Pin-Selectable Addresses
  • Four Single-Ended or Two Differential Inputs (ADS1015-Q1)
  • Programmable Comparator (ADS1014-Q1 and ADS1015-Q1)

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Description

The ADS1013-Q1, ADS1014-Q1, and ADS1015-Q1 devices (ADS101x-Q1) are precision, low-power, 12-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in a VSSOP-10 package. The ADS101x-Q1 devices incorporate a low-drift voltage reference and an oscillator. The ADS1014-Q1 and ADS1015-Q1 also incorporate a programmable gain amplifier (PGA) and a digital comparator. These features, along with a wide operating supply range, make the ADS101x-Q1 well suited for power- and space-constrained, sensor measurement applications.

The ADS101x-Q1 perform conversions at data rates up to 3300 samples per second (SPS). The PGA offers input ranges from ±256 mV to ±6.144 V, allowing precise large- and small-signal measurements. The ADS1015-Q1 features an input multiplexer (MUX) that allows two differential or four single-ended input measurements. Use the digital comparator in the ADS1014-Q1 and ADS1015-Q1 for under- and overvoltage detection.

The ADS101x-Q1 operate in either continuous-conversion mode or single-shot mode. The devices are automatically powered down after one conversion in single-shot mode; therefore, power consumption is significantly reduced during idle periods.

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Technical documentation

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Type Title Date
* Datasheet ADS101x-Q1 Automotive, Low-Power, I2C-Compatible, 3.3-kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator datasheet (Rev. C) Jan. 08, 2018
E-book Fundamentals of Precision ADC Noise Analysis Jun. 19, 2020
Application note Digital Filter Types in Delta-Sigma ADCs Jun. 27, 2017
Application note How delta-sigma ADCs work, Part 1 (Rev. A) Sep. 19, 2016
Application note How delta-sigma ADCs work, Part 2 Nov. 09, 2011

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PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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ADC-INPUT-CALC — ADC-INPUT-CALC is an online tool that provides support for designing the input buffer to an analog-to-digital converter (ADC). It offers 24 different op-amp based buffer circuits that can be used to drive an ADC input. The available topologies cover differential, single-ended and transformer-coupled (...)
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