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ADC08831IM
Texas Instruments
IC ADC 8BIT SAR 8SOIC
1839 Pcs New Original In Stock
8 Bit Analog to Digital Converter 1 Input 1 SAR 8-SOIC
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5.0 / 5.0
- (37 Ratings)
ADC08831IM
Product Overview
1234390
DiGi Electronics Part Number
ADC08831IM-DGManufacturer
Texas Instruments
ADC08831IM
Description
IC ADC 8BIT SAR 8SOICInventory
1839 Pcs New Original In Stock
8 Bit Analog to Digital Converter 1 Input 1 SAR 8-SOIC
Quantity
Minimum 1
Minimum 1
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ADC08831IM Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
-
Series
-
Product Status
Last Time Buy
Number of Bits
8
Sampling Rate (Per Second)
250k
Number of Inputs
1
Input Type
Differential, Pseudo-Differential, Single Ended
Data Interface
SPI, DSP
Configuration
MUX-S/H-ADC
Ratio - S/H:ADC
1:1
Number of A/D Converters
1
Architecture
SAR
Reference Type
External
Voltage - Supply, Analog
4.5V ~ 6V
Voltage - Supply, Digital
4.5V ~ 6V
Features
-
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Mounting Type
Surface Mount
Base Product Number
ADC08831
Datasheet & Documents
HTML Datasheet
ADC08831IM-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TEXTISADC08831IM
2156-ADC08831IM
Standard Package
95
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
포장이 견고해서 제품 손상 걱정 없이 받았어요. 배송도 정확해서 너무 좋아요.
de desembre 02, 2025
エコな梱包とスピード配送で、安心して買い物ができました。最高のサービスです。
de desembre 02, 2025
Their consistent product quality demonstrates their dedication to customer satisfaction.
de desembre 02, 2025
They are very attentive, ensuring every concern is addressed thoroughly.
de desembre 02, 2025
Their wide-ranging products demonstrate a strong understanding of consumer needs.
de desembre 02, 2025
Their support team is knowledgeable and always ready to help resolve issues.
de desembre 02, 2025
Every purchase I've made has proven to be a worthwhile investment.
de desembre 02, 2025
Their support services are consistently excellent and dependable.
de desembre 02, 2025
The robustness of their electronics is clear—I've dropped my device multiple times, and it's still performing excellently.
de desembre 02, 2025
I have consistently received the same high-quality products, which speaks volumes about their reliability.
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Frequently Asked Questions (FAQ)
When migrating an existing design using the ADC08831IM, what are the critical considerations when selecting a potential substitute like the LTC1196-2ACS8#PBF to ensure a seamless transition, especially regarding pin compatibility and interface timing?
Transitioning from the ADC08831IM to a substitute like the LTC1196-2ACS8#PBF requires careful evaluation of the pinout and electrical characteristics. While both are 8-bit SAR ADCs, verify that the pin assignments for power, ground, analog input, clock, and digital interface lines (SPI/DSP) are identical. Pay close attention to the clocking requirements and data output timing specifications of both the ADC08831IM and the proposed substitute. Slight differences in clock-to-data delay or setup/hold times for data acquisition can lead to errors. It's advisable to perform thorough bench testing with the substitute in your existing circuit to validate its performance under your specific operating conditions and ensure no unexpected timing-related issues arise with the ADC08831IM.
Given the ADC08831IM's 'Last Time Buy' status, what are the potential long-term reliability risks of designing it into a new product, and how can these risks be mitigated to avoid obsolescence issues down the line?
The 'Last Time Buy' (LTB) status for the ADC08831IM indicates that Texas Instruments is no longer actively manufacturing or stocking it for new designs. The primary long-term risk is future obsolescence, leading to difficulty in sourcing the component for production or maintenance. To mitigate this, it's strongly recommended to identify and qualify suitable alternative ADCs, such as those from the LTC1196 series mentioned in the substitutes list, early in the design process. Even if the ADC08831IM is currently in stock, planning for an alternative ensures continuity of supply for your product's lifecycle. Consider factors like extended temperature range requirements, power consumption, and specific input configurations when selecting an LTB alternative to avoid unexpected performance degradation.
For an industrial sensor application requiring differential input using the ADC08831IM, what are the practical limitations and potential sources of error when configuring it for pseudo-differential input, and how can signal conditioning best be implemented?
Configuring the ADC08831IM for pseudo-differential input, while offering flexibility, introduces potential error sources. The primary limitation is that the common-mode voltage of the differential signal must remain within the allowable analog supply range (4.5V ~ 6V) and avoid exceeding the ADC's input common-mode voltage limits, which can lead to non-linearity or clipping. Any DC offset in the signal or common-mode noise can directly impact the measurement accuracy. To mitigate these, implement robust signal conditioning: use a differential amplifier with a well-defined gain and a stable common-mode voltage reference. Ensure the amplifier's output common-mode voltage is properly biased to be centered within the ADC's acceptable input range to maximize the dynamic range of the ADC08831IM.
When integrating the ADC08831IM into a complex embedded system with a microcontroller that also uses SPI communication, what are the potential challenges in managing SPI bus contention and ensuring reliable data acquisition from the ADC08831IM, especially at its maximum sampling rate?
Integrating the ADC08831IM into an SPI-bus-laden embedded system requires careful attention to timing and bus management. Potential challenges include SPI bus contention with other peripherals, clock synchronization issues, and ensuring the microcontroller can service the ADC08831IM's data-ready signal promptly at its 250kSPS rate. To ensure reliable data acquisition, dedicate a separate SPI chip select line for the ADC08831IM to avoid conflicts. Optimize your firmware to minimize interrupt latency for the ADC's data-ready pin. If the microcontroller's SPI peripheral is shared, consider using DMA (Direct Memory Access) to transfer data without CPU intervention, which is crucial for achieving the full 250kSPS sampling rate of the ADC08831IM without missing conversions.
Considering the ADC08831IM's operating temperature range of -40°C to 85°C, what are the critical design considerations for ensuring consistent performance and reliability in an application subjected to significant thermal cycling, and how might the reference voltage stability be affected?
Operating the ADC08831IM under significant thermal cycling demands careful consideration of component selection and board layout. Temperature variations can affect the analog supply voltage stability and the accuracy of the external reference voltage, which directly impacts the ADC's conversion precision. To ensure reliability, use a temperature-stable external voltage reference. Implement proper thermal management on your PCB, such as adequate copper pours for heat dissipation and avoiding hot spots near the ADC08831IM. Additionally, consider worst-case performance by characterizing the ADC's accuracy and linearity at both the extreme low and high ends of its operating temperature range to identify any potential drift issues and establish acceptable performance margins for your application.
Quality Assurance (QC)
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ADC08831IM CAD Models
Texas Instruments ADC08831IM PCB symbols & footprints
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