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ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier

ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier
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 ADS1115 16-Bit ADC - 4 Channel with Programmable Gain AmplifierADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier 
Our Price:  £16.68(Inc. 20% VAT)(£13.90 Exc. VAT)Earn 16 Loyalty Points

SKU:  PPADA1085
Part Number:  1085
Brand:  AdaFruit

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  (1 Review)

For microcontrollers without an analog-to-digital converter or when you want a higher-precision ADC, the ADS1115 provides 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.

The chip's fairly small so it comes on a breakout board with ferrites to keep the AVDD and AGND quiet. Interfacing is done via I2C. The address can be changed to one of four options (see the datasheet table 5) so you can have up to 4 ADS1115's connected on a single 2-wire I2C bus for 16 single ended inputs.

To get you started, we have example code for both the Raspberry Pi (in our Adafruit Pi Python library) and Arduino (in our ADS1X15 Arduino library repository) Simply connect GND to ground, VDD to your logic power supply, and SCL/SDA to your microcontroller's I2C port and run the example code to start reading data.

ADS1115 Data Sheet


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Customer Reviews
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Pretty good board, stuggling with higher response time
Tuesday, 4 March 2014  |  David

Pretty good board, easy to interface with the arduino uno, and precision is good. Unfortunately I, like others have had less success in reading at a rate faster than 8ms between samples.

 

2 of 2 people found this review helpful.

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