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TLV0831IP Equivalent & Substitute Parts
Part Overview
The TLV0831IP is an 8-bit Analog to Digital Converter (ADC) with a single differential or single-ended input, utilizing a Successive Approximation Register (SAR) architecture. This component is designed for data acquisition applications requiring moderate resolution and sampling rates up to 49 kSPS. The TLV0831IP is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resolution (Bits) | 8 |
| Sampling Rate | 49 kSPS |
| Number of Inputs | 1 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Architecture | SAR |
| Analog Supply Voltage | 2.7V ~ 3.6V |
| Digital Supply Voltage | 2.7V ~ 3.6V |
| Operating Temperature Range | -40°C ~ 85°C |
| Reference Type | External |
Substitute Part Grouping Explanation
Substitution of the TLV0831IP is determined by electrical and functional equivalence across the following critical parameters:
- Resolution and Sampling Rate: Both main and substitute parts must maintain 8-bit resolution with 49 kSPS sampling capability
- Input Configuration: Single input supporting both differential and single-ended modes
- Data Interface: SPI protocol compatibility
- Architecture: SAR-based conversion methodology
- Supply Voltage Ranges: Identical analog and digital supply specifications (2.7V ~ 3.6V)
- Operating Temperature: Matching temperature range (-40°C ~ 85°C)
- Reference Type: External reference requirement
The primary distinction between the TLV0831IP and its substitute lies in packaging and mounting technology, not electrical performance.
Parameter Comparison
| Parameter | TLV0831IP (Main) | TLV0831ID (Substitute) |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Resolution | 8 Bit | 8 Bit |
| Sampling Rate | 49 kSPS | 49 kSPS |
| Number of Inputs | 1 | 1 |
| Input Type | Differential, Single Ended | Differential, Single Ended |
| Data Interface | SPI | SPI |
| Architecture | SAR | SAR |
| Analog Supply Voltage | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Digital Supply Voltage | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Reference Type | External | External |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Through Hole | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The TLV0831ID serves as the direct electrical equivalent to the TLV0831IP, with identical functional specifications across all data acquisition parameters. The substitute part maintains full compatibility with the electrical interface and signal characteristics of the original component.
The primary consideration for part selection is packaging and mounting technology. The TLV0831IP utilizes through-hole 8-DIP packaging, while the TLV0831ID employs surface-mount 8-SOIC packaging. This distinction requires PCB layout modifications but does not affect electrical performance or signal integrity.
The TLV0831ID holds active product status from Texas Instruments, ensuring ongoing availability and manufacturing support. The obsolete status of the TLV0831IP necessitates transition to the substitute part for new production and long-term system support. Both parts maintain ROHS3 compliance and identical regulatory certifications.
Frequently Asked Questions (FAQ)
Q: Are the TLV0831IP and TLV0831ID electrically identical?
A: Yes. Both parts share identical electrical specifications including 8-bit resolution, 49 kSPS sampling rate, single input configuration, SPI interface, and supply voltage requirements. The parts are functionally equivalent for data acquisition applications.
Q: What is the primary difference between these parts?
A: The primary difference is packaging. The TLV0831IP uses through-hole 8-DIP packaging (0.300" width), while the TLV0831ID uses surface-mount 8-SOIC packaging (0.154" width). This requires different PCB layouts and assembly processes but does not affect electrical performance.
Q: Can I use the TLV0831ID as a direct replacement in existing designs?
A: Electrical substitution is direct. However, PCB layout modifications are required due to different package footprints and mounting technologies. Through-hole designs must be redesigned for surface-mount implementation.
Q: Why is the TLV0831IP obsolete?
A: The TLV0831IP has been discontinued by Texas Instruments. The TLV0831ID represents the active product line continuation with identical electrical functionality.
Q: Are compliance certifications identical between both parts?
A: Yes. Both the TLV0831IP and TLV0831ID maintain ROHS3 compliance, REACH unaffected status, and identical regulatory classifications (ECCN: EAR99, HTSUS: 8542.39.0001).
Q: What supply voltage range do these ADCs require?
A: Both parts require 2.7V to 3.6V for both analog and digital supply rails, with an external reference voltage source.
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