THS1215IPWG4 Equivalent & Substitute Parts

Part Overview

The THS1215IPWG4 is a 12-bit pipelined analog-to-digital converter manufactured by Texas Instruments, designed for single-channel differential input data acquisition applications. This component operates with a 15 MSPS sampling rate and is housed in a 28-TSSOP surface mount package. The product is currently classified as obsolete, making identification of functionally compatible alternatives essential for ongoing system support and new design implementations.

Substiute Parts

THS1215IPWG4

Texas InstrumentsIn Stock: 1023THS1215IPWG4 Datasheet

Current PartRFQ

ADC14L020CIVY/NOPB

National SemiconductorIn Stock: 1903ADC14L020CIVY/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THS1215IPWG4 is determined by the following critical parameters:

• Resolution and Sampling Rate: The substitute must maintain or exceed the 12-bit resolution and 15 MSPS sampling capability to preserve signal fidelity and system timing requirements.
• Input Configuration: Single differential input channel architecture must be maintained.
• Pipelined Architecture: The ADC architecture classification must remain pipelined to ensure consistent latency characteristics.
• Supply Voltage Compatibility: Both analog and digital supply voltages must operate within the 3V to 3.6V range to ensure direct integration into existing power distribution networks.
• Operating Temperature Range: The -40°C to 85°C operating range must be supported for industrial and commercial applications.
• Data Interface: Parallel output interface must be preserved for direct connection to existing digital signal processing circuits.

The ADC14L020CIVY/NOPB qualifies as a substitute based on these parameters, offering enhanced specifications while maintaining functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

The ADC14L020CIVY/NOPB is a functionally compatible substitute for the obsolete THS1215IPWG4. The substitute part offers improved specifications: 14-bit resolution versus 12-bit, and 20 MSPS sampling rate versus 15 MSPS. Both components maintain identical supply voltage ranges, operating temperature specifications, and pipelined architecture with single differential input channels.

The primary consideration for substitution is the package change from 28-TSSOP to 32-LQFP (7x7). This requires PCB layout modification and potential firmware adjustments to accommodate the different pin configuration. The ADC14L020CIVY/NOPB maintains active product status, ensuring long-term availability and supply chain stability compared to the obsolete THS1215IPWG4.

Both components are ROHS3 compliant and suitable for industrial temperature range applications. The substitute part's enhanced resolution and sampling rate provide performance headroom for signal processing applications without introducing incompatibility with the core system architecture.

Frequently Asked Questions (FAQ)

Q: Can the ADC14L020CIVY/NOPB directly replace the THS1215IPWG4 without PCB modifications?

A: No. While the ADC14L020CIVY/NOPB is functionally compatible, it uses a different package (32-LQFP versus 28-TSSOP) and pin configuration. PCB layout redesign is required. Pin mapping must be verified against both datasheets before implementation.

Q: What are the key differences between these two ADC components?

A: The ADC14L020CIVY/NOPB provides 14-bit resolution and 20 MSPS sampling rate compared to the THS1215IPWG4's 12-bit resolution and 15 MSPS rate. Both maintain identical supply voltage ranges (3V to 3.6V), operating temperature (-40°C to 85°C), and pipelined architecture with single differential inputs.

Q: Is the ADC14L020CIVY/NOPB suitable for applications requiring the exact 15 MSPS sampling rate?

A: Yes. The ADC14L020CIVY/NOPB's 20 MSPS capability exceeds the 15 MSPS requirement. Sampling rate can be configured through external clock control to match legacy system timing if necessary.

Q: What compliance certifications apply to both components?

A: Both the THS1215IPWG4 and ADC14L020CIVY/NOPB are ROHS3 compliant. The ADC14L020CIVY/NOPB maintains active product status, ensuring regulatory compliance and supply chain continuity.

Q: Are there supply voltage compatibility concerns when substituting these parts?

A: No. Both components operate within the identical 3V to 3.6V analog and digital supply voltage ranges. Existing power distribution circuits require no modification for voltage compatibility.