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AD7388BCPZ-RL Equivalent & Substitute Parts
Part Overview
The AD7388BCPZ-RL is a 12-bit Analog to Digital Converter (ADC) manufactured by Analog Devices Inc., designed for data acquisition applications requiring simultaneous sampling across multiple input channels. This SAR (Successive Approximation Register) architecture device features 4 single-ended inputs with 2 integrated ADC converters, operating at a 4 MHz sampling rate per channel. The component is housed in a 16-LFCSP (3x3) surface mount package with exposed pad configuration.
The AD7388BCPZ-RL maintains Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified based on identical electrical specifications, mechanical compatibility, and packaging requirements to ensure direct functional replacement in existing designs.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resolution | 12 Bits |
| Sampling Rate | 4 MHz |
| Number of Inputs | 4 |
| Input Type | Single Ended |
| Number of A/D Converters | 2 |
| Architecture | SAR |
| Data Interface | Serial |
| Analog Supply Voltage | 3V to 3.6V |
| Digital Supply Voltage | 1.65V to 3.6V |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 16-LFCSP (3x3) |
| Mounting Type | Surface Mount |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitute parts for the AD7388BCPZ-RL are identified through strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following deterministic parameters:
Resolution & Conversion Architecture: 12-bit resolution with SAR architecture ensures equivalent conversion accuracy and speed characteristics.
Sampling Performance: 4 MHz sampling rate per channel with simultaneous sampling capability across all 4 inputs maintains identical throughput performance.
Channel Configuration: 4 single-ended inputs with 2 integrated ADC converters defines the input multiplexing and conversion topology.
Supply Voltage Compatibility: Analog supply range of 3V to 3.6V and digital supply range of 1.65V to 3.6V ensures operation within identical power delivery constraints.
Package & Mounting: 16-LFCSP (3x3) surface mount package with exposed pad configuration guarantees mechanical and thermal compatibility with existing PCB layouts.
Compliance & Status: Active product status with RoHS3 compliance and REACH unaffected designation ensures regulatory alignment and supply chain continuity.
Parameter Comparison
| Parameter | AD7388BCPZ-RL | AD7388BCPZ-RL7 |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Category | Data Acquisition | Data Acquisition |
| Resolution (Bits) | 12 | 12 |
| Sampling Rate (MHz) | 4 | 4 |
| Number of Inputs | 4 | 4 |
| Input Type | Single Ended | Single Ended |
| Number of A/D Converters | 2 | 2 |
| Architecture | SAR | SAR |
| Data Interface | Serial | Serial |
| Configuration | MUX-S/H-ADC | MUX-S/H-ADC |
| S/H:ADC Ratio | 1:1 | 1:1 |
| Reference Type | External, Internal | External, Internal |
| Analog Supply Voltage | 3V to 3.6V | 3V to 3.6V |
| Digital Supply Voltage | 1.65V to 3.6V | 1.65V to 3.6V |
| Features | Simultaneous Sampling | Simultaneous Sampling |
| Operating Temperature | -40°C to 125°C | -40°C to 125°C |
| Package / Case | 16-WFQFN Exposed Pad, CSP | 16-WFQFN Exposed Pad, CSP |
| Supplier Device Package | 16-LFCSP (3x3) | 16-LFCSP (3x3) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS Code | 8542.39.0001 | 8542.39.0001 |
Engineering Selection Recommendations
The AD7388BCPZ-RL7 is a direct parametric equivalent suitable for substitution in applications currently specified for the AD7388BCPZ-RL. Both components share identical electrical performance characteristics, package specifications, and regulatory compliance status.
Product Status Alignment: Both parts maintain Active product status, ensuring continued availability and manufacturing support from Analog Devices Inc.
Regulatory Compliance: Both components are RoHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions applicable to electronic components in regulated markets.
Supply Chain Considerations: The AD7388BCPZ-RL7 variant currently maintains higher inventory availability (2353 pcs) compared to the primary part number (1031 pcs), providing supply continuity for production requirements.
Packaging & Thermal Management: Identical 16-LFCSP (3x3) package configuration with exposed pad ensures equivalent thermal performance and PCB layout compatibility without design modifications.
Moisture Sensitivity: Both parts carry MSL rating 3 (168 hours), requiring identical handling and storage protocols during manufacturing and assembly operations.
Frequently Asked Questions (FAQ)
Q: Can AD7388BCPZ-RL7 be used as a direct replacement for AD7388BCPZ-RL in existing designs?
A: Yes. The AD7388BCPZ-RL7 is a parametric equivalent with identical electrical specifications, package configuration, and operating characteristics. No design modifications are required for substitution.
Q: Are there differences in sampling performance between these two part numbers?
A: No. Both components feature identical 4 MHz sampling rate per channel with simultaneous sampling across 4 single-ended inputs using 2 integrated SAR converters.
Q: Do both parts require the same supply voltage levels?
A: Yes. Both the AD7388BCPZ-RL and AD7388BCPZ-RL7 operate with analog supply voltage of 3V to 3.6V and digital supply voltage of 1.65V to 3.6V. Existing power delivery circuits require no modification.
Q: What is the significance of the "-RL7" suffix in the part number?
A: The "-RL7" suffix indicates a manufacturing or distribution variant of the base AD7388BCPZ part number. Both variants are manufactured by Analog Devices Inc. and meet identical performance and compliance specifications.
Q: Are the package dimensions and thermal characteristics identical?
A: Yes. Both parts use the 16-LFCSP (3x3) surface mount package with exposed pad configuration, providing identical footprint, height, and thermal dissipation characteristics for PCB integration.
Q: What moisture sensitivity precautions apply to both parts?
A: Both components carry MSL rating 3 (168 hours), requiring storage in controlled humidity environments and baking procedures prior to reflow soldering if moisture absorption limits are exceeded.
Q: Are there any compliance or certification differences between the two part numbers?
A: No. Both parts maintain identical RoHS3 compliance, REACH unaffected status, EAR99 export classification, and HTSUS code 8542.39.0001.
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