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Name: DDC112UK/1K
Brand: Burr Brown
SKU: DDC112UK/1K
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Burr Brown DDC112UK/1K

Part No.:: DDC112UK/1K

Manufacturer:: Burr Brown

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: DDC112UK/1K.pdf

Description:: IC ADC 20BIT SIGMA-DELTA 28SOIC

In Stock:: 2483

Quantity:: Add To Cart

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DDC112UK/1K Specifications

Packaging:
Bulk
Series:
-
Product Status:
Obsolete
Number of Bits:
20
Sampling Rate(PerSecond):
3k
Number of Inputs:
2
Input Type:
Single Ended
Data Interface:
Serial
Configuration:
DSI-ADC
Ratio-S/H:ADC:
0:1
Number of A/D Converters:
1
Architecture:
Sigma-Delta
Reference Type:
External
Voltage-Supply Analog:
4.75V ~ 5.25V
Voltage-Supply Digital:
4.75V ~ 5.25V
Features:
Simultaneous Sampling
Operating Temperature:
0°C ~ 70°C

DDC112UK/1K this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DDC112UK/1K price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DDC112UK/1K to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DDC112UK/1K information

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DDC112UK/1K Typical application Circuitry

DDC112UK 1K

The DDC112UK/1K is a highly integrated, precision 20-bit analog-to-digital converter (ADC) designed by Texas Instruments, featuring dual channels for direct connection to photodiodes. This ADC is particularly suited for applications requiring accurate current-to-digital conversion with high resolution and low noise, such as scientific instrumentation, medical imaging (e.g., X-ray and CT scanners), and industrial process control.

Key Features and Specifications:

- Resolution: 20-bit high resolution, ensuring precise measurement for low-level signals.

- Channels: Dual-channel configuration, allowing simultaneous measurement of two signals.

- Input Type: Direct photodiode inputs, optimized for current measurement from light-sensitive devices.

- Sampling Rate: Programmable sampling rates to suit various application needs.

- Power Supply: Single 5V power supply, simplifying the system power design.

- Interface: Serial interface for easy connection to microcontrollers or digital signal processors.

Application Scenario: The DDC112UK/1K is ideal for a light measurement system in a laboratory setting, where precise quantification of light intensity is crucial, such as in spectrophotometry used for chemical analysis.

Circuit Design Integration:

Designing a light measurement system with the DDC112UK/1K involves detailed attention to its pin configuration and optimal electrical connections:

1. Photodiode Connections (IN1, IN2; Pins for direct photodiode connection): Connect the photodiodes directly to these pins. The anode of the photodiode is connected to ground, and the cathode is connected to IN1 or IN2. It's essential to minimize the length of these connections to reduce noise pickup.

2. Reference Voltage Setup (REFIN, REFOUT, REFGND; specific pins for reference voltage): Connect a stable and precise reference voltage to REFIN. REFOUT can be used to provide a stable reference to other parts of the circuit. REFGND is connected to the analog ground.

3. Digital Interface (DOUT, SCLK, SDIN, CS; designated pins for SPI communication): Connect these pins to a microcontroller or DSP. CS selects the device for communication, SCLK provides the serial clock, SDIN is the serial data input from the controller to the ADC, and DOUT is the serial data output from the ADC.

4. Power Supply and Grounding (AVDD, DVDD, AGND, DGND; respective pins for power and ground): AVDD and DVDD should be connected to a 5V power supply. It is critical to separate analog (AGND) and digital ground (DGND) to minimize digital noise affecting analog measurements.

5. Clock Input (CLK; a specific pin for external clock input): Provide a clean, stable clock signal to this pin. The quality of the clock directly influences the precision and noise level of the measurements.

Design Considerations:

- Photodiode Selection: Choose photodiodes that match the spectral sensitivity required for your application. The photodiode's dark current, noise, and capacitance characteristics are crucial for optimizing measurement accuracy.

- Signal Integrity: Use proper PCB layout techniques to shield and route analog signals, minimizing noise and interference. Keeping digital traces away from analog paths is critical.

- Thermal Management: Even though the DDC112UK/1K is designed for low power consumption, managing heat in the system is essential, especially when used in a closed environment or near heat-sensitive components.

- Firmware Development: Implement robust firmware to control the ADC, including initializing the device, setting the sampling rate, and reading the data. Consider integrating error-checking algorithms to improve reliability.

- System Calibration: Implement a calibration procedure to account for system offsets, gain errors, and non-linearity. Regular calibration ensures long-term accuracy of the light measurement system.

Integrating the DDC112UK/1K into a laboratory light measurement system showcases its capabilities in providing high-precision, low-noise measurements, essential for accurate scientific analysis. This application highlights the ADC's suitability for sophisticated measurement systems where data integrity is paramount.

DDC112UK/1K FAQ

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We have a professional and experienced quality control team to strictly verify and test the DDC112UK/1K. All suppliers must pass our qualification reviews before they can publish their products including DDC112UK/1K on icwhale.com; we pay more attention to the channels and quality of DDC112UK/1K products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the DDC112UK/1K price and inventory displayed accurate?

The price and inventory of DDC112UK/1K fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of DDC112UK/1K?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DDC112UK/1K we delivered, we will accept the replacement or return of the DDC112UK/1K only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DDC112UK/1K.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations