ADS1217IPFBR Equivalent & Substitute Parts

Part Overview

The ADS1217IPFBR is a 24-bit Sigma-Delta analog-to-digital converter manufactured by Texas Instruments, designed for precision data acquisition applications. This device features 8 differential inputs, integrated programmable gain amplifier (PGA), and SPI digital interface, operating across supply voltages of 2.7V to 5.25V. The part maintains Active product status with ROHS3 compliance and Moisture Sensitivity Level 2 rating. Substitute parts are identified when equivalent electrical specifications, package compatibility, and operational parameters align with the original design requirements.

Key Parameters

Parameter	Value
Resolution	24 Bit
Sampling Rate	780 Samples Per Second
Number of Inputs	8
Input Type	Differential
Data Interface	SPI
Architecture	Sigma-Delta
Configuration	MUX-PGA-ADC
Reference Type	External, Internal
Analog Supply Voltage	2.7V ~ 3.3V, 5V
Digital Supply Voltage	2.7V ~ 5.25V
Operating Temperature	-40°C ~ 85°C
Package	48-TQFP (7x7)
Mounting Type	Surface Mount
Features	PGA

Substitute Part Grouping Explanation

Substitute parts for the ADS1217IPFBR are qualified based on strict parameter equivalence across the following criteria:

Critical Substitution Parameters:

Resolution: 24-bit
Sampling Rate: 780 samples per second
Input Configuration: 8 differential inputs
Data Interface: SPI protocol
Architecture: Sigma-Delta
Configuration: MUX-PGA-ADC topology
Supply Voltage Ranges: Analog (2.7V ~ 3.3V, 5V) and Digital (2.7V ~ 5.25V)
Operating Temperature Range: -40°C ~ 85°C
Package: 48-TQFP (7x7)
Mounting: Surface Mount

All identified substitute parts maintain identical electrical specifications and physical packaging, ensuring direct functional equivalence in circuit applications.

Parameter Comparison

Parameter	ADS1217IPFBR	ADS1217IPFBT	ADS1216Y/250	ADS1218Y/250
Resolution (Bits)	24	24	24	24
Sampling Rate (SPS)	780	780	780	780
Number of Inputs	8	8	8	8
Input Type	Differential	Differential	Differential	Differential
Data Interface	SPI	SPI	SPI	SPI
Architecture	Sigma-Delta	Sigma-Delta	Sigma-Delta	Sigma-Delta
Configuration	MUX-PGA-ADC	MUX-PGA-ADC	MUX-PGA-ADC	MUX-PGA-ADC
Reference Type	External, Internal	External, Internal	External, Internal	External, Internal
Analog Supply (V)	2.7~3.3, 5	2.7~3.3, 5	2.7~3.3, 5	2.7~3.3, 5
Digital Supply (V)	2.7~5.25	2.7~5.25	2.7~5.25	2.7~5.25
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package	48-TQFP (7x7)	48-TQFP (7x7)	48-TQFP (7x7)	48-TQFP (7x7)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Features	PGA	PGA	PGA	PGA
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	2 (1 Year)	2 (1 Year)	2 (1 Year)	2 (1 Year)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All substitute parts maintain Active product status with identical ROHS3 compliance and REACH Unaffected classification. Selection between ADS1217IPFBR, ADS1217IPFBT, ADS1216Y/250, and ADS1218Y/250 is determined by packaging format availability and inventory requirements rather than electrical performance differentiation.

ADS1217IPFBT differs from ADS1217IPFBR only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel), maintaining identical electrical specifications and base product number ADS1217.

ADS1216Y/250 and ADS1218Y/250 represent alternative base product numbers within the same functional family, both qualified as parametric equivalents with identical electrical performance and 48-TQFP packaging.

Frequently Asked Questions (FAQ)

Q: Can ADS1217IPFBT be used as a direct replacement for ADS1217IPFBR?

A: Yes. Both parts share identical electrical specifications, 24-bit resolution, 780 SPS sampling rate, 8 differential inputs, SPI interface, and 48-TQFP packaging. The difference is packaging format: ADS1217IPFBR is supplied in Cut Tape & Digi-Reel format, while ADS1217IPFBT is supplied in Tape & Reel format.

Q: What is the functional difference between ADS1216Y/250 and ADS1217IPFBR?

A: No functional difference exists. Both devices provide 24-bit resolution, 780 SPS sampling rate, 8 differential inputs, and identical supply voltage specifications. The base product numbers differ (ADS1216 versus ADS1217), but electrical performance and package compatibility remain equivalent.

Q: Are all substitute parts compatible with the same PCB layout?

A: Yes. All substitute parts use the 48-TQFP (7x7) surface mount package with identical pin configuration and spacing, enabling direct PCB compatibility without layout modifications.

Q: Do supply voltage requirements differ among substitute parts?

A: No. All parts require analog supply voltage of 2.7V to 3.3V or 5V, and digital supply voltage of 2.7V to 5.25V. Power supply design remains unchanged across all substitutes.

Q: What is the significance of the Y/250 designation in ADS1216Y/250 and ADS1218Y/250?

A: The Y/250 designation indicates packaging and temperature grade specifications. Both parts maintain the same -40°C to 85°C operating temperature range and Moisture Sensitivity Level 2 rating as the primary part.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts carry ROHS3 compliance certification and REACH Unaffected status, meeting environmental regulatory requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message