PCM1801UG4 Equivalent & Substitute Parts

Part Overview

The PCM1801UG4 is a 16-bit stereo audio analog-to-digital converter (ADC) designed for audio acquisition applications requiring 48 kHz sampling rates. Manufactured by Texas Instruments, this component integrates dual-channel audio conversion with serial data interface in a 14-SOIC surface mount package.

The PCM1801UG4 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications. Substitute parts must maintain identical electrical specifications and mechanical compatibility to ensure direct replacement without circuit redesign.

Substiute Parts

PCM1801UG4

Texas InstrumentsIn Stock: 3039PCM1801UG4 Datasheet

Current PartRFQ

PCM1801U

Burr BrownIn Stock: 2675PCM1801U Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PCM1801UG4 are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Electrical Compatibility Criteria:

• Type: ADC, Audio
• Number of Channels: 2
• Resolution: 16 bits
• Sampling Rate: 48 kHz
• Data Interface: Serial
• Voltage Supply Range: 4.5V to 5.5V
• Operating Temperature Range: -25°C to 85°C

Mechanical Compatibility Criteria:

• Package Type: 14-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

The PCM1801U (Burr Brown) meets all specified electrical and mechanical parameters, qualifying it as a direct substitute for the discontinued PCM1801UG4.

Parameter Comparison

Engineering Selection Recommendations

The PCM1801U is the qualified substitute for the discontinued PCM1801UG4. Both components share identical electrical specifications across all critical parameters: dual-channel 16-bit audio ADC operation at 48 kHz sampling rate with serial interface, matching voltage supply requirements (4.5V to 5.5V), operating temperature range (-25°C to 85°C), and 14-SOIC package configuration.

The PCM1801U maintains active product status, ensuring continued availability for new designs and replacement applications. The main part (PCM1801UG4) carries ROHS3 compliance certification; verify RoHS compliance requirements for the substitute part based on your application's regulatory requirements.

No circuit modifications are required when substituting the PCM1801U for the PCM1801UG4, as pin configuration and electrical interface remain identical.

Frequently Asked Questions (FAQ)

Q: Can the PCM1801U directly replace the PCM1801UG4 without PCB modifications?

A: Yes. Both components use the 14-SOIC package with identical pin configuration and electrical interface. No PCB layout changes are required.

Q: Are there differences in audio performance between the PCM1801UG4 and PCM1801U?

A: Both parts meet the same electrical specifications for 16-bit resolution, 48 kHz sampling rate, and serial data interface. Performance characteristics are equivalent for audio acquisition applications within the specified operating parameters.

Q: What is the significance of the different manufacturers (Texas Instruments vs. Burr Brown)?

A: Burr Brown is a subsidiary of Texas Instruments. The PCM1801U represents the same product line with identical specifications and is qualified as a direct substitute.

Q: Are there any compliance or certification differences?

A: The PCM1801UG4 carries ROHS3 compliance certification. Verify the RoHS compliance status of the PCM1801U substitute for applications requiring specific regulatory certifications.

Q: What is the moisture sensitivity level (MSL) for the substitute part?

A: The PCM1801UG4 specifies MSL 1 (Unlimited). Confirm MSL rating for the PCM1801U substitute to ensure proper handling and storage procedures align with your manufacturing requirements.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Identical electrical specifications, package type, and pin configuration enable direct substitution in existing PCM1801UG4 designs without circuit redesign or validation testing.