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ADS8342IPFBTG4 Equivalent & Substitute Parts
Part Overview
The ADS8342IPFBTG4 is a 16-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring multi-channel sampling. This device features 4 input channels with SAR (Successive Approximation Register) architecture and operates with dual supply voltages of ±5V for both analog and digital domains.
The ADS8342IPFBTG4 is classified as Obsolete, which necessitates identification of equivalent substitute components for ongoing production and maintenance applications. The primary substitute identified maintains identical electrical specifications and mechanical compatibility while offering improved availability status.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resolution | 16 Bit |
| Number of Input Channels | 4 |
| Sampling Rate | 250 kSPS |
| Input Type | Pseudo-Differential, Single Ended |
| Data Interface | Parallel |
| Architecture | SAR |
| Reference Type | External |
| Analog Supply Voltage | ±5V |
| Digital Supply Voltage | ±5V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 48-TQFP (7x7) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 2 (1 Year) |
Substitute Part Grouping Explanation
Substitution of the ADS8342IPFBTG4 is based on strict equivalence of the following critical parameters:
- 16-bit resolution requirement
- 4-channel input configuration
- 250 kSPS sampling rate capability
- Pseudo-Differential and Single Ended input support
- Parallel data interface
- SAR architecture with external reference
- ±5V dual supply voltage specification
- 48-TQFP (7x7) package footprint
- Surface mount compatibility
- Operating temperature range of -40°C to 85°C
- ROHS3 compliance and MSL 2 rating
The identified substitute part ADS8342IBPFBT meets all these parameters without deviation, ensuring direct functional and mechanical compatibility.
Parameter Comparison
| Parameter | ADS8342IPFBTG4 (Main Part) | ADS8342IBPFBT (Substitute) |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Resolution | 16 Bit | 16 Bit |
| Number of Input Channels | 4 | 4 |
| Sampling Rate | 250 kSPS | 250 kSPS |
| Input Type | Pseudo-Differential, Single Ended | Pseudo-Differential, Single Ended |
| Data Interface | Parallel | Parallel |
| Architecture | SAR | SAR |
| Reference Type | External | External |
| Analog Supply Voltage | ±5V | ±5V |
| Digital Supply Voltage | ±5V | ±5V |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C |
| Package Type | 48-TQFP (7x7) | 48-TQFP (7x7) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 2 (1 Year) | 2 (1 Year) |
| Product Status | Obsolete | Last Time Buy |
Engineering Selection Recommendations
The ADS8342IBPFBT is the direct equivalent substitute for the ADS8342IPFBTG4. Both components are manufactured by Texas Instruments and share identical electrical and mechanical specifications across all critical parameters.
The primary distinction between these parts is product lifecycle status: the ADS8342IPFBTG4 is classified as Obsolete, while the ADS8342IBPFBT carries Last Time Buy status. This status difference indicates that ADS8342IBPFBT remains available for procurement during its Last Time Buy window, making it the appropriate selection for new designs and ongoing production requirements.
Both parts maintain ROHS3 compliance and identical MSL ratings, ensuring compatibility with current manufacturing and environmental standards. The 48-TQFP (7x7) package footprint is identical, permitting direct PCB layout compatibility without redesign.
Frequently Asked Questions (FAQ)
Q: Can ADS8342IBPFBT be used as a direct replacement for ADS8342IPFBTG4?
A: Yes. The ADS8342IBPFBT is electrically and mechanically equivalent to the ADS8342IPFBTG4. All functional parameters, supply voltages, input configurations, sampling rates, and package specifications are identical. Direct substitution is possible without circuit modification.
Q: What is the difference between these two part numbers?
A: The primary difference is product lifecycle status. The ADS8342IPFBTG4 is Obsolete, while ADS8342IBPFBT is Last Time Buy. Both parts are manufactured by Texas Instruments with identical specifications. The Last Time Buy status indicates ADS8342IBPFBT remains available for procurement during a defined window.
Q: Are the package dimensions identical?
A: Yes. Both parts use the 48-TQFP (7x7) package with identical footprints, pin configurations, and mounting requirements. PCB layouts designed for either part are interchangeable.
Q: Do both parts meet current compliance standards?
A: Yes. Both the ADS8342IPFBTG4 and ADS8342IBPFBT are ROHS3 compliant with MSL 2 (1 Year) ratings, meeting current environmental and manufacturing standards.
Q: What supply voltages are required?
A: Both parts require ±5V for analog supply and ±5V for digital supply. External reference voltage is required for ADC operation.
Q: Can these parts operate across the full industrial temperature range?
A: Yes. Both parts are rated for operation from -40°C to 85°C, covering industrial and extended commercial temperature requirements.
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