ADC101S101CISD Equivalent & Substitute Parts

Part Overview

The ADC101S101CISD is a 10-bit Analog to Digital Converter manufactured by Texas Instruments, designed for single-ended input applications with a 1 MHz sampling rate. This component operates across a wide supply voltage range of 2.7V to 5.25V for both analog and digital supplies, making it suitable for diverse embedded systems and data acquisition applications.

The ADC101S101CISD is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for legacy systems and new designs requiring this functional specification.

Substiute Parts

ADC101S101CISD

Texas InstrumentsIn Stock: 1186ADC101S101CISD Datasheet

Current PartRFQ

ADC101S101CISD/NOPB

Texas InstrumentsIn Stock: 784ADC101S101CISD/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ADC101S101CISD is determined by strict equivalence across the following critical parameters:

• Resolution: 10 bits
• Sampling Rate: 1 MHz
• Input Configuration: 1 single-ended input
• Data Interface: SPI and DSP compatibility
• Converter Architecture: SAR topology
• Supply Voltage Range: 2.7V to 5.25V (both analog and digital)
• Operating Temperature Range: -40°C to 85°C
• Package Type: 6-WDFN Exposed Pad
• Mounting: Surface Mount

The ADC101S101CISD/NOPB qualifies as a direct substitute based on complete alignment with all electrical and mechanical parameters. The primary distinction is product status and packaging format, not functional capability.

Parameter Comparison

Engineering Selection Recommendations

The ADC101S101CISD/NOPB is the direct functional equivalent of the ADC101S101CISD. Both parts share identical electrical specifications and mechanical packaging, ensuring pin-for-pin and functional compatibility.

The primary selection criteria are:

• Product Status: The ADC101S101CISD/NOPB carries Active status, ensuring ongoing manufacturer support and supply availability, whereas the original part is Obsolete.
• Compliance: The ADC101S101CISD/NOPB is ROHS3 compliant, meeting current regulatory requirements. The original part is RoHS non-compliant.
• Packaging: The ADC101S101CISD/NOPB is supplied in Tape & Reel format, standard for automated assembly processes. The original part is supplied in bulk packaging.

For new designs and legacy system updates, the ADC101S101CISD/NOPB is the recommended selection based on active product status and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Are the ADC101S101CISD and ADC101S101CISD/NOPB electrically identical?

A: Yes. Both parts are 10-bit SAR ADCs with identical resolution, sampling rate, input configuration, supply voltage range, and operating temperature specifications. They are functionally equivalent.

Q: What is the difference between these two part numbers?

A: The primary differences are product status, packaging format, and RoHS compliance. The ADC101S101CISD is obsolete and supplied in bulk; the ADC101S101CISD/NOPB is active and supplied in Tape & Reel format with ROHS3 compliance.

Q: Can I use ADC101S101CISD/NOPB as a direct replacement for ADC101S101CISD?

A: Yes. The parts are pin-for-pin compatible and functionally equivalent. No circuit modifications are required.

Q: Does the packaging format affect circuit performance?

A: No. Tape & Reel and bulk packaging formats contain identical components. The packaging format affects only supply chain logistics and automated assembly compatibility, not electrical or mechanical performance.

Q: Why is the original part marked as obsolete?

A: Product obsolescence is determined by the manufacturer based on market demand and product lifecycle management. The ADC101S101CISD/NOPB remains in active production and is the recommended source for this functional specification.

Q: Are there any compatibility concerns with the 6-WSON package?

A: No. Both parts use the identical 6-WSON (2.2x2.5) package with exposed pad. PCB footprints, thermal management, and assembly processes are identical.