Mikroelektronika d.o.o.

SKU: MIKROE-4966

ADC 17 Click Board

Name: ADC 17 Click Board
Brand: Mikroelektronika d.o.o.
SKU: MIKROE-4966
Price: 15.0 GBP
Availability: InStock

£15.00 GBP

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The ADC 17 Click Board™ is a compact add-on board that contains a high-performance data converter. This board features the MAX11645, a low-power two-channel 12-bit analog-to-digital converter from Analog Devices. The MAX11645 measures two single-ended or one differential input. The fully differential analog inputs are software configurable (I2C interface) for unipolar or bipolar, and single-ended or differential operation. The 2.048V internal reference determines its full-scale analog input range. This Click board™ offers complete, high accuracy solutions for the most demanding applications from energy-harvesting sensors to portable consumer electronics, point-of-load monitoring (voltage, current, and temperature), and more.

The ADC 17 Click Board™ is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.

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Product Description

How Does The ADC 17 Click Board™ Work?

The ADC 17 Click Board™ as its foundation uses the MAX11645, a high-performance two-channel analog-to-digital converter (ADC) from Analog Devices. The MAX11645 uses successive-approximation conversion technique and fully differential input track/hold (T/H) circuitry to capture and convert an analog signal to a serial 12-bit digital output. It can measure either two single-ended or one differential input(s).

ADC 17 Click inneri

The MAX11645 is capable of sample rates up to 94ksps. By taking advantage of the ADC’s high sample rate, multiple channels can be converted in a short period. This capability allows the device to spend more time in shutdown mode, reducing total power consumption. It also includes a 2.048V internal reference which determines its full-scale analog input range. The fully differential analog inputs are software configurable for unipolar or bipolar applications; input signals from 0 to VREF (unipolar) or ±VREF/2 (bipolar) range can be resolved with accurate 12-bit accuracy.

The ADC 17 Click Board™ communicates with MCU using the standard I2C 2-Wire interface to read data and configure settings, supporting Standard Mode operation with a clock frequency of 100kHz and Fast Mode up to 400kHz.

The ADC 17 Click Board™can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.

SPECIFICATIONS

Type	ADC
Applications	The ADC 17 Click Board™ be used for various applications from energy-harvesting sensors to portable consumer electronics, point-of-load monitoring (voltage, current, and temperature), and more
On-board modules	MAX11645 - high-performance two-channel analog-to-digital converter (ADC) from Analog Devices
Key Features	Two single-ended channels or one fully differential channel, low power consumption, high accuracy, software-configurable unipolar/bipolar operation, internal 2.048V reference, high-speed I2C interface, and more
Interface	I2C
Compatibility	mikroBUS
Click board size	S (28.6 x 25.4 mm)
Input Voltage	3.3V

PINOUT DIAGRAM

This table shows how the pinout of the ADC 17 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes	Pin					Pin	Notes
NC	1	AN	PWM	16	NC
NC	2	RST	INT	15	NC
NC	3	CS	RX	14	NC
NC	4	SCK	TX	13	NC
NC	5	MISO	SCL	12	SCL	I2C Clock
NC	6	MOSI	SDA	11	SDA	I2C Data
Power Supply	3.3V	7	3.3V	5V	10	NC
Ground	GND	8	GND	GND	9	GND	Ground

ONBOARD SETTINGS AND INDICATORS

Label	Name	Default	Description
LD1	PWR	-	Power LED Indicator

ADC 17 CLICK ELECTRICAL SPECIFICATIONS

Description	Min	Typ	Max	Unit
Supply Voltage	-	3.3	-	V
Analog Input Voltage	0	-	2.048	V
Resolution	-	12	-	bits
Operating Temperature Range	-40	+25	+30	°C

Software Support

We provide a library for the ADC 17 Click Board™ as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Library Description

This library contains API for the ADC 17 Click Board™ driver.

Key functions

adc17_set_channel This function sets the selected channel active by modifying the config byte.
adc17_get_voltage This function reads the voltage from the previously selected channel by using I2C serial interface.
adc17_write_setup_byte This function writes a setup byte to the ADC chip by using I2C serial interface.

Example Description

This example demonstrates the use of the ADC 17 Click Board™ by reading the voltage from the two analog input channels.

void application_task ( void ) 
 { 
     float voltage; 
     if ( ADC17_OK == adc17_set_channel ( &adc17, ADC17_CHANNEL_0 ) ) 
     { 
         if ( ADC17_OK == adc17_get_voltage ( &adc17, &voltage ) ) 
         { 
             log_printf ( &logger, " AIN0 voltage: %.3f V rnn", voltage ); 
         } 
     } 
     if ( ADC17_OK == adc17_set_channel ( &adc17, ADC17_CHANNEL_1 ) ) 
     { 
         if ( ADC17_OK == adc17_get_voltage ( &adc17, &voltage ) ) 
         { 
             log_printf ( &logger, " AIN1 voltage: %.3f V rnn", voltage ); 
         } 
     } 
     Delay_ms ( 500 ); 
 }

The full application code, and ready to use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Other MikroE Libraries used in the example:

MikroSDK.Board
MikroSDK.Log
Click.ADC17

Additional Notes and Information

Depending on the development board you are using, you may need USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.

MIKROSDK

The ADC 17 Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.

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ADC 17 Click Board