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ADS1217IPFBR
Texas Instruments
IC ADC 24BIT SIGMA-DELTA 48TQFP
4324 Pcs New Original In Stock
24 Bit Analog to Digital Converter 8 Input 1 Sigma-Delta 48-TQFP (7x7)
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5.0 / 5.0
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ADS1217IPFBR
Product Overview
1250209
DiGi Electronics Part Number
ADS1217IPFBR-DGManufacturer
Texas Instruments
ADS1217IPFBR
Description
IC ADC 24BIT SIGMA-DELTA 48TQFPInventory
4324 Pcs New Original In Stock
24 Bit Analog to Digital Converter 8 Input 1 Sigma-Delta 48-TQFP (7x7)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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ADS1217IPFBR 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)
780
Number of Inputs
8
Input Type
Differential
Data Interface
SPI
Configuration
MUX-PGA-ADC
Ratio - S/H:ADC
-
Number of A/D Converters
1
Architecture
Sigma-Delta
Reference Type
External, Internal
Voltage - Supply, Analog
2.7V ~ 3.3V, 5V
Voltage - Supply, Digital
2.7V ~ 5.25V
Features
PGA
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP
Supplier Device Package
48-TQFP (7x7)
Mounting Type
Surface Mount
Base Product Number
ADS1217
Datasheet & Documents
Manufacturer Product Page
ADS1217IPFBR Specifications
HTML Datasheet
ADS1217IPFBR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-ADS1217IPFBRDKR
ADS1217IPFBR-DG
ADS1217IPFBRG4
296-ADS1217IPFBRCT
296-ADS1217IPFBRTR
ADS1217IPFBRG4-DG
Standard Package
2,000
Alternative Parts
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QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
The after-sales team keeps me informed and provides proactive solutions for any concerns.
Dec 02, 2025
Transparent pricing helps us avoid unexpected costs and plan our budgets more accurately.
Dec 02, 2025
Fast shipping coupled with responsive customer support made my entire experience positive.
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Frequently Asked Questions (FAQ)
When considering the ADS1217IPFBR for a high-precision battery monitoring application, what potential design risks arise from its 5V analog supply capability and how can these be mitigated to avoid noise injection?
When using the ADS1217IPFBR with a 5V analog supply, careful PCB layout and power filtering are crucial to mitigate potential noise injection, especially in high-precision battery monitoring. While the device supports up to 5V analog supply, operating at the lower end of its range (e.g., 3.3V) with appropriate filtering can often yield better Signal-to-Noise Ratio (SNR) if the input signal allows. Ensure proper decoupling capacitors (e.g., 0.1uF ceramic and 10uF tantalum) are placed very close to the ADS1217IPFBR's analog power pins. Routing analog traces away from noisy digital signals and employing a solid ground plane are essential design practices to maintain signal integrity with the ADS1217IPFBR.
For replacing an older ADS1216Y/250 in a cost-sensitive industrial sensor system, what are the critical compatibility considerations when migrating to the ADS1217IPFBR, particularly regarding SPI communication timing and reference voltage stability?
When migrating from an ADS1216Y/250 to the ADS1217IPFBR, the primary compatibility considerations revolve around the SPI communication protocol and analog reference voltage. While both are 24-bit delta-sigma ADCs from Texas Instruments and share the ADS1217 base product number, subtle differences in SPI timing requirements or clock speeds might exist. Verify the SPI bus parameters (e.g., clock polarity/phase, maximum clock frequency) against the ADS1217IPFBR datasheet. Also, assess the stability and noise performance of your external reference voltage; the ADS1217IPFBR, like its predecessor, is sensitive to reference noise, so ensuring a clean and stable reference is paramount for maintaining accuracy.
In a multiplexed data acquisition system using the ADS1217IPFBR with multiple differential inputs, how can I effectively manage the settling time and charge-sharing effects between channels to prevent crosstalk and inaccurate readings, especially when switching between widely varying signal amplitudes?
Managing settling time and charge-sharing effects is critical when multiplexing with the ADS1217IPFBR. When switching between differential input channels, especially if their signal amplitudes differ significantly, the internal capacitors within the ADC will begin to charge or discharge. Allowing sufficient settling time before initiating a conversion is paramount. This can be achieved by adding a delay in your firmware after selecting a new channel and before starting the conversion. The required settling time often depends on the source impedance of your external circuitry and the PGA gain setting. Consider prototyping with an oscilloscope to observe the settling behavior and determine an appropriate, albeit potentially slower, conversion sequence for the ADS1217IPFBR in your specific application.
Given the ADS1217IPFBR's operating temperature range of -40°C to 85°C, what are the potential reliability concerns for long-term operation in an embedded system exposed to harsh industrial environments, and what design strategies can prolong its lifespan?
The ADS1217IPFBR's specified operating temperature range of -40°C to 85°C is robust, but long-term reliability in harsh industrial environments depends heavily on surrounding system design. Factors like inadequate heatsinking, proximity to high-power components, or direct exposure to transient voltage spikes can accelerate component aging, even within the specified temperature limits. To prolong the lifespan of the ADS1217IPFBR, ensure it is mounted on a PCB with sufficient thermal vias to dissipate heat effectively. Implement robust transient voltage suppression (TVS) diodes on input lines and power rails to protect against electrical surges. Furthermore, operate the ADS1217IPFBR well within its voltage supply limits to reduce stress on internal components.
When selecting a 24-bit sigma-delta ADC for a medical device requiring high resolution and low power, what are the trade-offs between using the ADS1217IPFBR versus a competitor like the ADS1218Y/250, particularly concerning power consumption during continuous sampling and the availability of on-chip PGA features?
When comparing the ADS1217IPFBR with a competitor like the ADS1218Y/250 for a low-power, high-resolution medical application, the primary trade-offs lie in power consumption and integrated features. While both offer 24-bit resolution, the ADS1217IPFBR has a slightly different internal architecture and might consume marginally more power during continuous sampling at its maximum rate compared to certain configurations of the ADS1218Y/250. However, the ADS1217IPFBR's integrated Programmable Gain Amplifier (PGA) is a significant advantage, potentially reducing external component count and board space. Carefully analyze the power consumption figures for both devices at your intended sampling rate and PGA gain settings. If minimizing external components is a priority for your medical device, the integrated PGA of the ADS1217IPFBR might be the deciding factor, even if there's a slight power differential.
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ADS1217IPFBR CAD Models
Texas Instruments ADS1217IPFBR PCB symbols & footprints
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