• DS1115 Precision ADC module

DS1115 Precision ADC module

The ADS1115 analog-to-digital converter provides high-precision, 16-bit precision at 860 samples/second over I2C. The chip can be configured as 4 single-ended input channels, or two differential channels. As a nice bonus, it even includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range. We like this ADC because it can run from 2V to 5V power/logic, can measure a large range of signals and its super easy to use. It is a great general purpose 16 bit converter.

Quick Spec

  • Supply: 2.0 - 5.5V
  • Analog Channels: 4
  • Low Current Consumption: 150µA Single-Shot Mode
  • Data Rate: 8 to 860 SPS
  • Interface: I2C 7-bit addresses between 0x48-0x4B

Resources

I2C Addressing

The ADS11x5 chips have a base 7-bit I2C address of 0x48 (1001000) and a clever addressing scheme that allows four different addresses using just one address pin (named ADR for ADdRess). To program the address, connect the address pin as follows:

  • 0x48 (1001000) ADR - GND
  • 0x49 (1001001) ADR - VDD
  • 0x4A (1001010) ADR - SDA
  • 0x4B (1001011) ADR - SCL



Code Example


#include <Wire.h>
#include <Adafruit_ADS1015.h>
 
Adafruit_ADS1015 ads1015;         //Default Address (0x48)
 
void setup(void)
{
  Serial.begin(9600);
  Serial.println("Hello!");
  
  Serial.println("Getting single-ended readings from AIN0..3");
  Serial.println("ADC Range: +/- 6.144V (1 bit = 3mV)");
  ads1015.begin();
}
 
void loop(void)
{
  int16_t adc0, adc1, adc2, adc3;
 
  adc0 = ads1015.readADC_SingleEnded(0);
  adc1 = ads1015.readADC_SingleEnded(1);
  adc2 = ads1015.readADC_SingleEnded(2);
  adc3 = ads1015.readADC_SingleEnded(3);
  Serial.print("AIN0: "); Serial.println(adc0);
  Serial.print("AIN1: "); Serial.println(adc1);
  Serial.print("AIN2: "); Serial.println(adc2);
  Serial.print("AIN3: "); Serial.println(adc3);
  Serial.println(" ");
  
  delay(1000);
}

Shipping List

  • 1 x DS1115 Precision ADC module
  • 1 x Header Connector


DS1115 Precision ADC module

  • Brand: Generic
  • Product Code: ADS1115-MOD
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock U127
    Stellenbosch In Stock M20

    We ship free of charge between branches to complete your order.

  • R79.00 (Inc Tax: R90.85)


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Tags: ADS1115, DS1115, Precision, ADC, module, analog digital ds1115, precision, adc, a/d, d/a, converters