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ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier STEMMA QT/Qwiic- Adafruit 1085
Module with analog to digital converter with 16-bit precision. Running at a speed of up to 860 samples per second. It has the ability to change the amplification of up to 16 x. It is supplied with the voltage from 2 V to 5.5 V and communicates via I2C.
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Description
Module with analog to digital converter with 16-bit precision. Running at 860 samples per second, it can be configured in 4-channel mode, or with two differential inputs. It has the possibility to change amplification of up to 16x through software method. The system is supplied with the voltage from 2 V to 5 V. The board consists of ferrite chokes which filter the voltage.
Botland is an official distributor of Adafruit electronics. These dependable American solutions cover sensors, controllers, Arduino shields, educational systems, smart building and a wide range of accessories. The Botland range holds original Adafruit products only.
For communication, it uses the popular I2C interface, with the possibility to choose one of the five available 7-bit addresses. Thanks to this solution, on one bus can be connected several sensors
The product is compatible with Arduino and Raspberry Pi
The manufacturer provides the sample code for Raspberry Pi (available inthe library Adafruit Pi Python) andthe library for Arduino on GitHubalong witha detailed description of the connection. |
Connection
All pins have been properly signed on board:
Connection
- VDD - lower voltage from the range of from 2.0 V to 5.5 V
- GND - ground of the system
- SCL - the clock line of the I2C bus
- SDA - data line of the I2C bus
- ADDR - the address selection of the I2C bus
- ALRT - alarm signal is generated when the analog value exceeds the threshold
- A+, A0, A1, A2, A3, A- - analog inputs
Pins are the solder fields for soldering the attachedgoldpin connectors with the pitch of 2.54 mm. Thanks to them, it is possible to connect the system with thebreadboardor the main module (e.g. Raspberry Pi orArduino) viawires.
The I2C bus address selection
To change the 7-bit address from the default 0x48 (1001000), you should connect the ADR pin to:
- 0x48 (1001000) ADR -> GND
- 0x49 (1001001) ADR -> VDD
- 0x4A (1001010) ADR -> SDA
- 0x4B (1001011) ADR -> SCL
The I2C bus address selection
- 0x48 (1001000) ADR - GND
- 0x49 (1001001) ADR - VDD
- 0x4A (1001010) ADR - SDA
- 0x4B (1001011) ADR - SCL
Specification
- Supply voltage: from 2.0 V to 5.5 V
- Low current consumption: in continuous measuring mode 150 µa
- Programmable sampling speed: 8 sps to 860 sps
- Built-in oscillator
- Communication interface: I2C
- The possibility to work in 4-channel mode or with two differential inputs
- Programmable amplification
- Possibility to choose I2C bus address from the range of 0x48 - 0x4B
Useful links
| Name | Value |
|---|---|
| Width | 7 cm |
| Height | 7 cm |
| Depth | 0.4 cm |
| Weight | 0.004 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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