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Name: DDC112UK/1KG4
Brand: Texas Instruments
SKU: DDC112UK/1KG4
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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Texas Instruments DDC112UK/1KG4

Part No.:: DDC112UK/1KG4

Manufacturer:: Texas Instruments

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

Datasheet:: DDC112UK/1KG4.pdf

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

In Stock:: 3760

Quantity:: Add To Cart

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DDC112UK/1KG4 Specifications

Packaging:
Tape & Reel (TR)
Series:
-
Product Status:
Obsolete
Number of Bits:
20
Sampling Rate(PerSecond):
3k
Number of Inputs:
2
Input Type:
Single Ended
Data Interface:
SPI
Configuration:
DSI-ADC
Ratio-S/H:ADC:
2:1
Number of A/D Converters:
1
Architecture:
Sigma-Delta
Reference Type:
External
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
Simultaneous Sampling
Operating Temperature:
0°C ~ 70°C

DDC112UK/1KG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DDC112UK/1KG4 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/1KG4 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/1KG4 information

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DDC112UK/1KG4 Typical application Circuitry

DDC112UK 1KG4

The DDC112UK/1KG4 is a highly integrated, high-precision, dual-channel analog-to-digital converter (ADC) developed by Texas Instruments, designed specifically for direct interfacing with photodiodes. Its main functionality revolves around converting analog current inputs from photodiodes into digital signals with high accuracy and resolution, making it ideal for applications where precise light measurement is required.

Key Features and Specifications:

- Dual-Channel ADC: It supports two independent channels for simultaneous measurement, enhancing the system's data acquisition capabilities.

- High Resolution: Offers 20-bit resolution, providing fine detail in measurement for applications demanding high precision.

- Direct Photodiode Interface: Designed to connect directly to photodiodes, with an integrated current-to-voltage conversion mechanism.

- Low Noise: Features a low-noise design, critical for applications requiring high signal integrity.

- Single 5V Power Supply: Operates on a single 5V supply, simplifying the power architecture of the system.

Application Scenario: The DDC112UK/1KG4 is exceptionally suited for use in a spectroscopy system, where precise light intensity measurements across different wavelengths are crucial for analyzing materials, chemicals, or biological samples.

Circuit Design Integration:

Incorporating the DDC112UK/1KG4 into a spectroscopy system involves detailed planning around its pin configuration and optimal electrical connections:

1. Photodiode Connections (IN1, IN2; typically pins for channel inputs): Connect the anodes of photodiodes detecting different wavelengths to the IN1 and IN2 inputs. It's vital that these connections are short and direct to minimize noise and leakage currents, ensuring accurate light intensity measurements.

2. Reference Voltage Setup (REFHI, REFLO; specific pin numbers depending on package): Establish stable reference voltages to define the measurement range. High precision reference sources should be used to maintain the accuracy of conversions.

3. Digital Output Interface (DOUT, SCLK, DIN, CS; respective pins for serial communication): Interface these pins with a microcontroller or digital signal processor for data communication. Implementing proper SPI communication protocols in the firmware is essential for retrieving measurement data from the ADC.

4. Power Supply and Decoupling (VDD, GND; specific pins for power supply): Apply a stable 5V supply to the VDD pin and ensure all ground connections are solid and well-connected to the system ground. Using decoupling capacitors close to these pins is critical to filter out noise from the power supply.

5. Clock Input (CLK; designated pin for external clock input): Provide a stable clock signal to the CLK pin to drive the internal ADC conversion process. The quality of the clock signal can affect the overall system performance, so a low-jitter clock source is recommended.

Design Considerations:

- Photodiode Selection and Placement: Choosing photodiodes with appropriate spectral response and placing them optimally relative to the light source and sample are crucial for accurate spectroscopy measurements.

- Signal Integrity: Careful routing of analog signals and shielding may be necessary to protect the signal integrity, especially in environments with significant electrical noise.

- Thermal Management: Although the DDC112UK/1KG4 is designed for low power consumption, the system design should still consider thermal issues, particularly if the ADC is part of a compact, densely packed electronic assembly.

- Firmware and Data Processing: Developing robust firmware that can accurately configure the ADC, manage data acquisition, and process the digital output is essential. Algorithms for calibration, signal processing, and analysis will enhance the system's value.

- System Integration: Integrating the ADC within a larger spectroscopy system requires careful consideration of optical components, sample handling mechanisms, and user interface, ensuring that the ADC's capabilities are fully leveraged.

Designing a spectroscopy system around the DDC112UK/1KG4 highlights its strengths in high-precision light measurement applications, emphasizing the importance of careful system design and integration to achieve accurate and reliable results.

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6. What is the process for return or replacement of DDC112UK/1KG4?

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/1KG4 we delivered, we will accept the replacement or return of the DDC112UK/1KG4 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/1KG4.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations