ADS1013-Q1 datasheet(10/45 Pages) TI1

Numer części	ADS1013-Q1

Szczegółowy opis	Automotive, Low-Power, I2C-Compatible, 3.3-kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator

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VDD

GND

AIN0

VDD

GND

AIN1

VDD

GND

AIN2

VDD

GND

AIN3

AINP

AINN

GND

ADS1015-Q1

10

ADS1013-Q1, ADS1014-Q1, ADS1015-Q1

SBAS511B – JULY 2010 – REVISED DECEMBER 2016

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Product Folder Links: ADS1013-Q1 ADS1014-Q1 ADS1015-Q1

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8.3 Feature Description

8.3.1 Multiplexer

The ADS1015-Q1 contains an input multiplexer (MUX), as shown in Figure 10. Either four single-ended or two

differential signals can be measured. Additionally, AIN0 and AIN1 may be measured differentially to AIN3. The

multiplexer is configured by bits MUX[2:0] in the Config register. When single-ended signals are measured, the

negative input of the ADC is internally connected to GND by a switch within the multiplexer.

Figure 10. Input Multiplexer

The ADS1013-Q1 and ADS1014-Q1 do not have an input multiplexer and can measure either one differential

signal or one single-ended signal. For single-ended measurements, connect the AIN1 pin to GND externally. In

subsequent sections of this data sheet, AINP refers to AIN0 and AINN refers to AIN1 for the ADS1013-Q1 and

ADS1014-Q1.

When measuring single-ended inputs, the device does not output negative codes. These negative codes indicate

negative differential signals; that is, (V(AINP) – V(AINN)) < 0. Electrostatic discharge (ESD) diodes to VDD and GND

protect the ADS101x-Q1 inputs. To prevent the ESD diodes from turning on, keep the absolute voltage on any

input within the range given in Equation 1.

GND – 0.3 V < V(AINX) < VDD + 0.3 V

(1)

If the voltages on the input pins can possibly violate these conditions, use external Schottky diodes and series

resistors to limit the input current to safe values (see the Absolute Maximum Ratings table).

Podobny numer części - ADS1013-Q1

Producent	Numer części	Arkusz danych	Szczegółowy opis
Texas Instruments	ADS1013-Q1	1Mb / 50P	[Old version datasheet] ADS111x-Q1 Automotive, Low-Power, I2C-Compatible, 860-SPS, 16-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator REVISED DECEMBER 2022
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	ADS1013-Q1	1Mb / 47P	[Old version datasheet] ADS101x-Q1 Automotive, Low-Power, I2C-Compatible, 3.3-kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator REVISED JULY 2023

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