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Equivalent & Substitute Parts for ADS8512IBDWR
Part Overview
The ADS8512IBDWR is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments, presented in a 16-SOIC package. It features a single-ended input, a 40k samples per second sampling rate, SPI data interface, and is suitable for surface-mount applications in industrial and instrumentation systems. This model is specified as obsolete, making it necessary to identify and evaluate suitable parametric equivalents or direct substitute models to ensure design longevity, supply continuity, and consistent technical performance in existing or new designs.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Category | Packaging | Description | Number of Bits | Sampling Rate (Per Second) | Number of Inputs | Input Type | Data Interface | Configuration | Ratio - S/H:ADC | Number of A/D Converters | Architecture | Reference Type | Voltage - Supply, Analog | Voltage - Supply, Digital | Operating Temperature | Package / Case | Supplier Device Package | Mounting Type | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADS8512IBDWR | Texas Instruments | Data Acquisition | Tape & Reel (TR) | IC ADC 12BIT SAR 16SOIC | 12 | 40k | 1 | Single Ended | SPI | S/H-ADC | 1:1 | 1 | SAR | External, Internal | 5V | 5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC | Surface Mount | ROHS3 Compliant | 2 (1 Year) | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution is based exclusively on identical or equivalent critical parameters: number of bits (12), sampling rate (40k samples/sec), number and type of inputs (1, single ended), data interface (SPI), configuration (S/H-ADC, ratio 1:1), architecture (SAR), reference type (external/internal), supply voltages (analog and digital 5V), temperature range, package/case (16-SOIC), supplier device package, surface-mount capability, RoHS compliance, moisture sensitivity level, and REACH status. Substitute parts must match these key parameters to ensure both electrical functionality and mechanical compatibility.
Parameter Comparison
| Parameter | ADS8512IBDWR | ADS7812UB/1K |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Data Acquisition | Data Acquisition |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Description | IC ADC 12BIT SAR 16SOIC | IC ADC 12BIT SAR 16SOIC |
| Number of Bits | 12 | 12 |
| Sampling Rate (Per Second) | 40k | 40k |
| Number of Inputs | 1 | 1 |
| Input Type | Single Ended | Single Ended |
| Data Interface | SPI | SPI |
| Configuration | S/H-ADC | S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 |
| Number of A/D Converters | 1 | 1 |
| Architecture | SAR | SAR |
| Reference Type | External, Internal | External, Internal |
| Voltage - Supply, Analog | 5V | 5V |
| Voltage - Supply, Digital | 5V | 5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The ADS8512IBDWR is classified as obsolete, whereas the substitute ADS7812UB/1K holds a product status of Last Time Buy. Both parts meet ROHS3 compliance and REACH unaffected criteria. Moisture Sensitivity Level differs: ADS8512IBDWR is MSL 2 (1 Year), while ADS7812UB/1K is MSL 3 (168 Hours). Selection should align with production and storage process requirements while ensuring inventory availability with respect to obsolescence and compliance design needs.
Frequently Asked Questions (FAQ)
Q: Which substitute part is parametric equivalent to ADS8512IBDWR?
A: ADS7812UB/1K is a parametric equivalent, matching all critical specifications for electrical and mechanical compatibility.
Q: Are there any package compatibility concerns between ADS8512IBDWR and ADS7812UB/1K?
A: Both parts are specified in the 16-SOIC (0.295", 7.50mm Width) package and intended for surface mount assembly.
Q: Do both main and substitute parts support the same data interface and operational temperature range?
A: Yes, both parts feature SPI data interface and an operating temperature range of -40°C to 85°C.
Q: Is there a difference in Moisture Sensitivity Level (MSL) between the main and substitute components?
A: ADS8512IBDWR is rated MSL 2 (1 Year), while ADS7812UB/1K is MSL 3 (168 Hours).
Q: Are both parts RoHS and REACH compliant?
A: Yes, both parts are ROHS3 Compliant and noted as REACH Unaffected.
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