Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
ADS1278IPAPT
Texas Instruments
IC ADC 24BIT SIGMA-DELTA 64HTQFP
1922 Pcs New Original In Stock
24 Bit Analog to Digital Converter 8 Input 8 Sigma-Delta 64-HTQFP (10x10)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (129 Ratings)
ADS1278IPAPT
Product Overview
1378749
DiGi Electronics Part Number
ADS1278IPAPT-DGManufacturer
Texas Instruments
ADS1278IPAPT
Description
IC ADC 24BIT SIGMA-DELTA 64HTQFPInventory
1922 Pcs New Original In Stock
24 Bit Analog to Digital Converter 8 Input 8 Sigma-Delta 64-HTQFP (10x10)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
ADS1278IPAPT Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Number of Bits
24
Sampling Rate (Per Second)
144k
Number of Inputs
8
Input Type
Differential
Data Interface
SPI
Configuration
ADC
Ratio - S/H:ADC
-
Number of A/D Converters
8
Architecture
Sigma-Delta
Reference Type
External
Voltage - Supply, Analog
5V
Voltage - Supply, Digital
1.65V ~ 1.95V
Features
-
Operating Temperature
-40°C ~ 105°C
Package / Case
64-PowerTQFP
Supplier Device Package
64-HTQFP (10x10)
Mounting Type
Surface Mount
Base Product Number
ADS1278
Datasheet & Documents
Manufacturer Product Page
ADS1278IPAPT Specifications
HTML Datasheet
ADS1278IPAPT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-21983-1
-ADS1278IPAPTG4
296-21983-2
296-21983-6-NDR
296-21983-1-NDR
-296-21983-1-DG
-296-21983-2-DG
-ADS1278IPAPT-NDR
296-21983-2-NDR
-296-21983-1
-296-21983-1-NDR
296-21983-6
-ADS1278IPAPTG4-NDR
Standard Package
250
Alternative Parts
PART 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
Des produits de grande qualité à des prix vraiment compétitifs, cela vaut le coup.
de desembre 02, 2025
L'achat chez DiGi Electronics a été une expérience exceptionnelle, la qualité des produits est toujours au rendez-vous.
de desembre 02, 2025
Je recommande vivement leurs produits, fiables et à prix très compétitifs.
de desembre 02, 2025
丁寧な対応と効率的な発送に感動しました。
de desembre 02, 2025
The delivery was unbelievably quick; I ordered late at night and received my item the very next morning.
de desembre 02, 2025
My order was shipped rapidly, and I appreciated the smooth handling throughout.
de desembre 02, 2025
I always appreciate the great prices at DiGi Electronics—they truly value their customers.
de desembre 02, 2025
Their commitment to quality gives me confidence in the longevity and performance of my projects.
de desembre 02, 2025
DiGi Electronics offers a great cost-to-value ratio that I appreciate.
de desembre 02, 2025
Very pleased with the quality of their customer service.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
How can I ensure stable performance of the ADS1278IPAPT in noisy industrial environments with high EMI on the analog inputs?
To ensure stable performance of the ADS1278IPAPT in electrically noisy environments, implement differential shielding and use twisted-pair cables for all analog input signals. Add RC anti-aliasing filters (e.g., 10Ω resistor + 10nF capacitor) at each input before the ADS1278IPAPT's input pins to suppress high-frequency noise without affecting signal bandwidth. Since the device uses an external reference, stabilize the reference voltage using low-noise, high-PSRR references like the REF5025, and place 10µF tantalum and 100nF ceramic capacitors close to the AVDD pin. Ground the ADS1278IPAPT's analog and digital grounds separately but tie them at a single point near the device to avoid ground loops, minimizing EMI-induced errors in high-resolution 24-bit measurements.
Can the ADS1278IPAPT replace the ADS131A08-24 in a multichannel sensor interface design, and what are the critical design differences to watch?
Yes, the ADS1278IPAPT can replace the ADS131A08-24 in applications requiring higher data throughput and simultaneous sampling across all eight channels. However, note that the ADS1278IPAPT uses an external voltage reference—unlike the onboard precision reference in the ADS131A08-24—so your reference supply must meet noise and stability requirements to maintain 24-bit resolution. Also, the ADS1278IPAPT operates on split analog (5V) and low-voltage digital (1.65V–1.95V) supplies, requiring additional level-shifting for SPI communication if interfacing with 3.3V microcontrollers. Ensure timing margins for the SPI interface are verified since ADS1278IPAPT has stricter SCLK setup/hold requirements at high sample rates (144kSPS).
What are the risks of exceeding 105°C in a high-channel-count data acquisition system using the ADS1278IPAPT, and how can thermal management be improved?
Operating the ADS1278IPAPT beyond its 105°C maximum junction temperature risks increased offset drift, gain error, and long-term reliability degradation due to accelerated electromigration. In high-channel data acquisition systems with continuous 144kSPS operation, self-heating can push temperatures above ambient limits. To mitigate this, optimize PCB thermal design by adding thermal vias under the exposed thermal pad and connecting it to internal ground planes. Limit power dissipation by minimizing digital activity during idle periods and reducing SPI clock frequency when full speed isn't needed. Consider airflow or heatsinking in enclosed systems, and monitor die temperature indirectly via periodic offset calibration cycles if an external sensor is not feasible.
How does the dual-supply requirement (5V analog and 1.65V–1.95V digital) of the ADS1278IPAPT impact system power design in portable applications?
The ADS1278IPAPT’s dual-supply requirement introduces complexity in portable systems where power efficiency is critical. You’ll need a low-dropout regulator (LDO) to generate the 5V analog supply and a separate buck-boost converter for the 1.65V–1.95V digital rail to support DVDD. Mismanagement can lead to digital ground bounce affecting analog performance. Use separate LDOs for AVDD and DVDD, with ferrite beads for additional isolation. Route the digital supply away from analog traces, and avoid routing DVDD beneath the ADS1278IPAPT's analog input pins to prevent coupling. Consider power sequencing—apply AVDD before DVDD—or use a supervisor circuit to ensure reliable startup and prevent latch-up.
When integrating the ADS1278IPAPT in a space-constrained 64-HTQFP design, what layout practices minimize crosstalk between channels and ensure signal integrity?
In dense 64-HTQFP layouts, maintain at least 2x trace width spacing between analog input traces and digital or clock lines to reduce capacitive crosstalk in the ADS1278IPAPT's high-resolution system. Use a dedicated analog layer in multilayer PCBs with continuous ground planes underneath. Route all differential pairs symmetrically with matched lengths (< 50 mil difference) to preserve common-mode rejection. Avoid placing stitching vias near analog inputs to prevent field distortion. Place 0.1µF ceramic bypass capacitors within 2mm of each AVDD and DVDD pin, and connect them through short vias to ground. Use controlled impedance routing if SPI lines exceed 10 cm to prevent reflections, especially at 144kSPS output data rates.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ADS1278IPAPT CAD Models
Texas Instruments ADS1278IPAPT PCB symbols & footprints
productDetail
