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AD7124-8BBCPZ-RL Equivalent & Substitute Parts
Part Overview
The AD7124-8BBCPZ-RL is a 24-bit Sigma-Delta analog-to-digital converter manufactured by Analog Devices Inc., designed for precision data acquisition applications. This device integrates 8, 15, or 16 input channels with a programmable gain amplifier (PGA) and temperature sensor, supporting multiple data interfaces including SPI, QSPI, MICROWIRE, and DSP protocols. The part is Active in product status and ROHS3 compliant. Substitute parts are identified when packaging or supply chain requirements necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resolution | 24 Bit |
| Sampling Rate | 19.2k Per Second |
| Number of Inputs | 8, 15, 16 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | DSP, MICROWIRE, QSPI, SPI |
| Architecture | Sigma-Delta |
| Analog Supply Voltage | ±1.8V, 2.7V ~ 3.6V |
| Digital Supply Voltage | 1.65V ~ 3.6V |
| Operating Temperature Range | -40°C ~ 125°C |
| Package | 32-LFCSP (5x5) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
The AD7124-8BBCPZ-RL7 is classified as a parametric equivalent substitute based on the following criteria:
Identical Electrical Parameters:
- 24-bit resolution
- 19.2k sampling rate
- 8, 15, 16 input channel configuration
- Differential, Pseudo-Differential, and Single Ended input types
- DSP, MICROWIRE, QSPI, and SPI data interfaces
- Sigma-Delta architecture
- ±1.8V and 2.7V ~ 3.6V analog supply voltage range
- 1.65V ~ 3.6V digital supply voltage range
- -40°C ~ 125°C operating temperature range
- PGA and Temperature Sensor features
Identical Mechanical Parameters:
- 32-LFCSP (5x5) package
- Surface Mount mounting type
- ROHS3 compliance
- MSL 3 (168 Hours) rating
Packaging Difference: The primary distinction is packaging format: AD7124-8BBCPZ-RL is supplied in Tape & Reel (TR), while AD7124-8BBCPZ-RL7 is supplied in Cut Tape (CT) & Digi-Reel format. Both formats contain identical die and electrical performance.
Parameter Comparison
| Parameter | AD7124-8BBCPZ-RL | AD7124-8BBCPZ-RL7 |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Resolution | 24 Bit | 24 Bit |
| Sampling Rate | 19.2k Per Second | 19.2k Per Second |
| Number of Inputs | 8, 15, 16 | 8, 15, 16 |
| Input Type | Differential, Pseudo-Differential, Single Ended | Differential, Pseudo-Differential, Single Ended |
| Data Interface | DSP, MICROWIRE, QSPI, SPI | DSP, MICROWIRE, QSPI, SPI |
| Architecture | Sigma-Delta | Sigma-Delta |
| Analog Supply Voltage | ±1.8V, 2.7V ~ 3.6V | ±1.8V, 2.7V ~ 3.6V |
| Digital Supply Voltage | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Package / Case | 32-LFCSP (5x5) | 32-LFCSP (5x5) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) |
Engineering Selection Recommendations
Both AD7124-8BBCPZ-RL and AD7124-8BBCPZ-RL7 are Active products from Analog Devices Inc. with identical ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on procurement and assembly requirements:
- AD7124-8BBCPZ-RL (Tape & Reel): Suitable for high-volume automated assembly operations requiring standard reel packaging.
- AD7124-8BBCPZ-RL7 (Cut Tape & Digi-Reel): Suitable for lower-volume applications, prototyping, or mixed-component assembly where flexible packaging formats are advantageous.
Both parts meet identical electrical specifications, thermal requirements, and regulatory certifications. PCB layout, schematic design, and firmware implementation remain unchanged between substitutions.
Frequently Asked Questions (FAQ)
Q: Are AD7124-8BBCPZ-RL and AD7124-8BBCPZ-RL7 electrically interchangeable?
A: Yes. Both parts are identical in electrical performance, resolution, sampling rate, input configuration, data interfaces, supply voltage requirements, and operating temperature range. They differ only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel).
Q: Can I substitute AD7124-8BBCPZ-RL7 for AD7124-8BBCPZ-RL in production?
A: Yes, provided your assembly process accommodates the Cut Tape & Digi-Reel packaging format. The 32-LFCSP (5x5) package footprint and pin configuration are identical, requiring no PCB redesign.
Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?
A: Tape & Reel (TR) supplies components on continuous carrier tape wound on reels, optimized for high-speed automated pick-and-place equipment. Cut Tape (CT) & Digi-Reel supplies the same components on shorter tape segments or alternative reel formats, suitable for lower-volume or mixed-assembly operations.
Q: Do both parts have the same moisture sensitivity level?
A: Yes. Both AD7124-8BBCPZ-RL and AD7124-8BBCPZ-RL7 carry MSL 3 (168 Hours) rating, requiring identical storage and handling protocols.
Q: Are there any compliance or certification differences?
A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical ECCN and HTSUS classifications.
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