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PCM4204PAPTG4 Equivalent & Substitute Parts
Part Overview
The PCM4204PAPTG4 is a 24-bit audio analog-to-digital converter (ADC) manufactured by Texas Instruments, designed for professional audio acquisition applications. This component features 4 channels, 216 kHz sampling rate, and I2S digital interface, housed in a 64-pin PowerTQFP package. The part is currently discontinued at DiGi Electronics, making identification of equivalent substitute parts essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PCM4204PAPTG4 |
| Manufacturer | Texas Instruments |
| Type | ADC, Audio |
| Number of Channels | 4 |
| Resolution | 24 bits |
| Sampling Rate | 216 kHz |
| Data Interface | I2S |
| Voltage Supply | 3V–3.6V, 5V |
| Operating Temperature | −10°C to 70°C |
| Package / Case | 64-PowerTQFP (10×10) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the PCM4204PAPTG4 is determined by strict equivalence across the following critical parameters:
- Channel Configuration: 4 channels (fixed requirement)
- Resolution: 24 bits (fixed requirement)
- Sampling Rate: 216 kHz (fixed requirement)
- Digital Interface: I2S (fixed requirement)
- Package: 64-PowerTQFP (10×10) (fixed requirement)
- Supply Voltage Compatibility: 3V–3.6V and 5V operation (fixed requirement)
- Operating Temperature Range: −10°C to 70°C (fixed requirement)
The PCM4204PAPT meets all these criteria and is classified as a direct manufacturer-recommended substitute. Both parts share the same base product number (PCM4204) and are functionally identical in electrical and mechanical specifications.
Parameter Comparison
| Parameter | PCM4204PAPTG4 (Main Part) | PCM4204PAPT (Substitute) | Match |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | ✓ |
| Type | ADC, Audio | ADC, Audio | ✓ |
| Number of Channels | 4 | 4 | ✓ |
| Resolution (Bits) | 24 | 24 | ✓ |
| Sampling Rate (Per Second) | 216k | 216k | ✓ |
| Data Interface | I2S | I2S | ✓ |
| Voltage Supply Source | Analog and Digital | Analog and Digital | ✓ |
| Voltage - Supply | 3V–3.6V, 5V | 3V–3.6V, 5V | ✓ |
| Operating Temperature | −10°C to 70°C | −10°C to 70°C | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Package / Case | 64-PowerTQFP | 64-PowerTQFP | ✓ |
| Supplier Device Package | 64-HTQFP (10×10) | 64-HTQFP (10×10) | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) | ✓ |
| REACH Status | REACH Unaffected | REACH Unaffected | ✓ |
| Product Status | Discontinued at DiGi Electronics | Active | — |
Engineering Selection Recommendations
The PCM4204PAPT is the direct substitute for the discontinued PCM4204PAPTG4. Both parts are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications across all critical parameters. The PCM4204PAPT carries active product status and maintains full compliance with ROHS3 and REACH requirements, ensuring regulatory continuity for new production and design updates.
The primary distinction between the two parts is product lifecycle status: the PCM4204PAPTG4 is discontinued, while the PCM4204PAPT remains in active production. This substitution requires no circuit redesign, PCB layout modification, or firmware adjustment, as all functional parameters remain constant.
Frequently Asked Questions (FAQ)
Q: Can the PCM4204PAPT be used as a direct replacement for the PCM4204PAPTG4?
A: Yes. Both parts are electrically and mechanically identical. The PCM4204PAPT is the manufacturer-recommended substitute and requires no design modifications.
Q: What is the difference between PCM4204PAPTG4 and PCM4204PAPT?
A: The parts differ only in product lifecycle status. The PCM4204PAPTG4 is discontinued, while the PCM4204PAPT is actively manufactured. All functional specifications, pin configurations, and performance characteristics are identical.
Q: Are there any packaging differences between these parts?
A: No. Both parts use the 64-PowerTQFP (10×10) package with identical pin assignments, land patterns, and thermal characteristics.
Q: Do I need to update my PCB design to use the PCM4204PAPT instead of the PCM4204PAPTG4?
A: No PCB redesign is required. The parts are pin-for-pin compatible with identical package dimensions and thermal properties.
Q: What is the supply voltage compatibility for the PCM4204PAPT?
A: The PCM4204PAPT operates with both analog and digital supply voltages in the ranges of 3V–3.6V and 5V, matching the original part specification.
Q: Are both parts RoHS and REACH compliant?
A: Yes. Both the PCM4204PAPTG4 and PCM4204PAPT are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.
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