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THS1040IPW Equivalent & Substitute Parts
Part Overview
The THS1040IPW is a 10-bit pipelined analog-to-digital converter manufactured by Texas Instruments, designed for single-channel data acquisition applications. It features a 40 MHz sampling rate with both differential and single-ended input capabilities, housed in a 28-TSSOP surface mount package. The device operates on 3V to 3.6V supply voltage for both analog and digital domains.
The THS1040IPW is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resolution (Number of Bits) | 10 Bit |
| Sampling Rate | 40 MHz |
| Number of Inputs | 1 |
| Input Type | Differential, Single Ended |
| Data Interface | Parallel |
| Architecture | Pipelined |
| Configuration | S/H-ADC |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 3V ~ 3.6V |
| Voltage - Supply, Digital | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the THS1040IPW is determined by strict equivalence across the following critical parameters:
- Resolution and Sampling Rate: 10-bit resolution at 40 MHz sampling rate
- Input Configuration: Single input channel supporting both differential and single-ended modes
- Architecture: Pipelined ADC with integrated sample-and-hold
- Reference Options: External and internal reference capability
- Package and Pinout: 28-TSSOP surface mount package with identical pin configuration
- Supply Voltage Compatibility: Operating voltage ranges for both analog and digital supplies
- Operating Temperature Range: -40°C to 85°C industrial temperature range
- Compliance Standards: ROHS3 compliance and REACH unaffected status
The ADC10040CIMTX/NOPB qualifies as a manufacturer-recommended substitute based on matching all critical functional and physical parameters while maintaining full electrical compatibility.
Parameter Comparison
| Parameter | THS1040IPW | ADC10040CIMTX/NOPB | Compatibility |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Match |
| Number of Bits | 10 | 10 | Match |
| Sampling Rate (Per Second) | 40M | 40M | Match |
| Number of Inputs | 1 | 1 | Match |
| Input Type | Differential, Single Ended | Differential, Single Ended | Match |
| Data Interface | Parallel | Parallel | Match |
| Configuration | S/H-ADC | S/H-ADC | Match |
| Ratio - S/H:ADC | 1:1 | 1:1 | Match |
| Number of A/D Converters | 1 | 1 | Match |
| Architecture | Pipelined | Pipelined | Match |
| Reference Type | External, Internal | External, Internal | Match |
| Voltage - Supply, Analog | 3V ~ 3.6V | 2.7V ~ 3.6V | Substitute has wider range |
| Voltage - Supply, Digital | 3V ~ 3.6V | 2.5V ~ 3.6V | Substitute has wider range |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | Match |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | Match |
| Mounting Type | Surface Mount | Surface Mount | Match |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
| REACH Status | REACH Unaffected | REACH Unaffected | Match |
| Product Status | Obsolete | Active | Substitute is active |
| Packaging | Bulk | Tape & Reel (TR) | Different packaging format |
Engineering Selection Recommendations
The ADC10040CIMTX/NOPB is the manufacturer-recommended substitute for the obsolete THS1040IPW. Selection of this substitute is supported by the following engineering factors:
Product Status: The THS1040IPW is obsolete, making the active ADC10040CIMTX/NOPB the appropriate choice for new designs and ongoing production support.
Functional Equivalence: All critical electrical parameters match exactly, including resolution, sampling rate, input configuration, architecture, and reference options. The substitute maintains identical pinout and package dimensions, enabling direct board-level replacement.
Supply Voltage Compatibility: The ADC10040CIMTX/NOPB features wider supply voltage ranges (2.7V to 3.6V analog, 2.5V to 3.6V digital) compared to the original part (3V to 3.6V). This expanded range provides additional design flexibility while remaining fully compatible with systems designed for the original specification.
Compliance and Certification: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for industrial and commercial applications.
Packaging Consideration: The substitute is supplied in Tape & Reel (TR) format, which is standard for active production components. Systems requiring bulk packaging may require coordination with the supplier.
Frequently Asked Questions (FAQ)
Q: Can the ADC10040CIMTX/NOPB be used as a direct replacement for the THS1040IPW?
A: Yes. The ADC10040CIMTX/NOPB is the manufacturer-recommended substitute with identical pinout, package dimensions, and all critical electrical specifications. Direct board-level replacement is supported.
Q: What are the differences between these two parts?
A: The primary differences are product status (THS1040IPW is obsolete; ADC10040CIMTX/NOPB is active) and supply voltage ranges. The substitute features wider analog supply range (2.7V to 3.6V versus 3V to 3.6V) and wider digital supply range (2.5V to 3.6V versus 3V to 3.6V). All functional parameters are identical.
Q: Are there any compatibility concerns with the wider supply voltage range of the substitute?
A: No. The wider supply voltage range of the ADC10040CIMTX/NOPB is a superset of the original THS1040IPW specification. Systems designed for the original part will operate within the substitute's specified range without modification.
Q: What is the difference between bulk and Tape & Reel packaging?
A: Bulk packaging is used for small quantities and manual handling. Tape & Reel (TR) packaging is the standard format for active production components, designed for automated assembly processes. The electrical and functional specifications are identical; only the packaging format differs.
Q: Are both parts compliant with current regulatory standards?
A: Yes. Both the THS1040IPW and ADC10040CIMTX/NOPB are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
Q: Can the ADC10040CIMTX/NOPB be used in legacy systems designed for the THS1040IPW?
A: Yes. The identical pinout, package, and electrical specifications enable the substitute to function as a direct replacement in existing designs without circuit modifications.
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