PCM1604Y - 24-Bit 192kHz 6-Channel DAC | Texas Instruments
MPN: PCM1604Y ✗ End of LifePCM1604Y Overview
An audio DAC is a mixed-signal semiconductor that reconstructs continuous analog voltage signals from sampled digital audio data. Within the product hierarchy, PCM1604Y is a delta-sigma DAC, which is a digital-to-analog converter type, and ultimately belongs to the broader ADC/DAC and mixed-signal integrated-circuit categories. Delta-sigma architecture is widely used in digital audio because it supports high-resolution conversion, integrated digital filtering, and direct interface with common audio serializers.
Key verified features include 24-bit resolution, a maximum sampling rate of 192kHz, six audio channels, enhanced multilevel delta-sigma operation, and I2S data input. These capabilities distinguish the PCM1604Y from lower-channel or lower-resolution converters. The six-channel architecture can reduce the number of separate DAC packages required in a surround-sound, home-theater, professional audio, or other multichannel system, provided the associated analog, clocking, and interface circuitry is designed correctly.
The PCM1604Y accepts digital audio through I2S and supplies six analog output channels, making it suitable for designs in which one package handles all primary channel conversions. Its 48-LQFP package provides 48 external terminals and a square 7x7 mm footprint. Because no manufacturer pinout, electrical limits, or recommended application-circuit details were included in the supplied verified data, its clock requirements, output topology, supply voltages, dynamic range, distortion, channel isolation, and decoupling configuration should be confirmed in the manufacturer datasheet before schematic capture.
Typical use cases include 5.1-channel and 7.1-channel home-theater receivers, multichannel active speaker systems, AV receivers, digital mixing consoles, audio interfaces, and automotive entertainment systems. In these applications, the PCM1604Y can convert six synchronized I2S channels before line-level amplification, speaker amplification, headphone amplification, or further analog processing. System partitioning should account for the converter's required clocks, analog supplies, output network, and digital input voltage compatibility.
A critical design step is to verify the exact 48-pin signal mapping, exposed-pad requirements, supported audio formats, and master-clock relationships against the Texas Instruments datasheet before routing the PCB. Decoupling and analog-output layouts should be developed from the manufacturer's reference design rather than inferred from generic DAC guidance, because unsupported pin assignments, supply values, or output-network assumptions could invalidate the design.
This page consolidates the verified distributor and manufacturer-facing information for PCM1604Y with package details, sourcing links, engineering cautions, and an honest assessment of available drop-in alternatives. The comparison focuses on what can be substantiated from the supplied records and explicitly identifies electrical, lifecycle, pinout, pricing, and replacement data that still requires confirmation.
Drop-in alternatives for PCM1604Y — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
No drop-in alternatives available for this product.
Request AlternativesPCM1604Y Maximum Ratings & Electrical Characteristics
| Converter Type | Digital-to-analog converter |
| Architecture | Enhanced multilevel delta-sigma |
| Resolution | 24 bit |
| Sampling Rate | 192 kHz |
| Number of Channels | 6 channels |
| Digital Audio Interface | I2S |
| Package | 48-LQFP (7x7 mm) |
| Number of Terminals | 48 terminals |
| Terminal Form | Gull wing |
| Package Shape | Square |
| Package Code | LFQFP |
| Technology | CMOS |
PCM1604Y lfqfp Pin Configuration Guide
Pin configuration for PCM1604Y (lfqfp package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for PCM1604Y.
Refer to the datasheet for full pin configuration.
Typical Applications
PCM1604Y is suitable for 6 applications: Home-Theater 5.1-Channel Receiver, 7.1-Channel Surround-Sound Processing, Professional Digital Mixer, Digital Audio Interface, Automotive Infotainment Audio, Digital Media Player and AV Equipment.
Home-Theater 5.1-Channel Receiver
The PCM1604Y fits a 5.1-channel receiver because its six verified DAC channels can convert the front-left, front-right, center, surround-left, surround-right, and subwoofer streams in one device. Its 24-bit resolution and 192kHz maximum sampling rate support high-resolution audio formats without requiring six separate converter packages. The I2S interface is appropriate for receiving synchronized digital audio from a source or DSP, provided the system clocking and channel-slot assignment are configured correctly. Before layout, engineers should confirm the exact analog-output type, supply rails, pin mapping, and recommended output network in the manufacturer datasheet. The practical benefit is reduced converter count and centralized multichannel conversion, while the main design responsibility is maintaining deterministic digital timing and clean six-channel analog routing.
Recommended
7.1-Channel Surround-Sound Processing
PCM1604Y can provide the six-channel conversion section of a 7.1-channel surround-sound system, but it cannot cover all eight required output channels by itself. A practical architecture could use PCM1604Y for six channels and another converter for the remaining front-left and front-right channels, or divide the channels according to the system's digital mixing architecture. The verified 192kHz sampling capability is valuable for high-resolution multichannel content, and the I2S interface can carry multiple synchronized slots. Because the supplied records do not define pin functions, supported slot formats, or analog-output electrical characteristics, the system integrator must verify channel mapping and reference-design topology. This partial-use approach reduces conversion bottleneck risk only when clocking, latency, and channel synchronization across the two converters are deliberately designed.
Recommended
Professional Digital Mixer
PCM1604Y is applicable to a professional digital mixer or audio processor that must convert multiple synchronized digital channels into analog line outputs. Its six-channel DAC and I2S interface suit a mixer architecture in which a DSP or FPGA supplies the playback channels, while 24-bit resolution and 192kHz maximum sampling support high-resolution production workflows. The converter should be placed close to the analog routing and output circuitry so that digital and analog return paths remain controlled. Engineers must determine from the datasheet whether the outputs are voltage- or current-based and which external filters or balanced-driver networks are required. The key engineering advantage is consolidating six conversions into one 48-LQFP device, while the principal risks are clock jitter, unsupported digital-interface modes, and mismatched channel timing.
Recommended
Digital Audio Interface
PCM1604Y can serve as the multichannel conversion stage in a professional digital audio interface that accepts digital audio and produces analog monitoring outputs. Six I2S channels allow a USB or network audio processor to feed multiple balanced monitoring channels through a common converter. The verified 192kHz capability supports high-rate studio workflows, while the six-channel architecture avoids duplicating identical DAC packages across a wide analog output section. Interface designers should verify supported sampling-rate combinations, master-clock requirements, input format polarity, and channel-slot ordering before finalizing the digital interconnect. The analog section should then be designed from the manufacturer reference circuit, including required filtering, grounding, and output drive. This arrangement centralizes conversion but makes power-layout quality and clock cleanliness especially important across all six channels.
Recommended
Automotive Infotainment Audio
PCM1604Y may be evaluated for automotive infotainment and premium in-vehicle audio systems that need several synchronized digital-to-analog channels from an I2S-capable audio processor. Its six-channel converter, 24-bit resolution, and 192kHz maximum rate suit high-resolution multichannel playback, but automotive suitability cannot be inferred from those specifications alone. Engineers must verify AEC-Q100 qualification, extended-temperature operation, supply range, electromagnetic performance, and the manufacturer's automotive reference design from current documentation. A robust implementation would keep the converter's digital clocking isolated from noisy vehicle power systems and follow the prescribed analog grounding and decoupling scheme. The part offers channel consolidation and high-resolution playback, but production release depends on documented automotive qualification rather than an assumption based on the PCM1604Y name or package.
Recommended
Digital Media Player and AV Equipment
PCM1604Y is suitable for a digital media player or AV component that accepts I2S audio and requires multiple analog outputs rather than a single stereo pair. A six-channel implementation can support surround playback, zone-audio channels, or separate center and surround paths while retaining a common 24-bit conversion stage. The 192kHz maximum sampling rate provides compatibility with high-resolution source material, although the host processor must generate valid clocks and correctly populate the I2S slots. System integrators should confirm output loading, channel muting behavior, and recommended passive networks before fixing the analog PCB. The main advantage is one 48-LQFP package replacing several single- or dual-channel converters, while PCB complexity increases because all six analog channels must preserve equal routing discipline and low-noise reference behavior.
Recommended
Recommended Products Summary
Engineering reference data for PCM1604Y — comparison, design guidance, and compliance information.
Selection Guide
Design Notes
Do not treat the PCM1604Y/2K or PCM1604Y/2KG4 suffix changes as proof of electrical interchangeability without checking the ordering table. The supplied records identify a 48-LQFP package, but they do not provide a complete pin map, supported clock modes, or supply details. Before layout, compare every terminal, exposed-pad requirement, and power sequence against the current Texas Instruments datasheet.
Plan the digital and analog sections from the manufacturer reference design rather than from generic DAC layout assumptions. Keep I2S data and clock routing away from the six analog outputs, use a continuous ground reference, and place required bypass capacitors directly at their specified pins. Because the verified data does not identify the output topology or decoupling values, the PCB release must wait for the official pinout and application circuit.
Treat clock quality as a critical system variable because a six-channel converter can reproduce the same timing disturbance across several analog outputs. Use the interface and clocking scheme specified by Texas Instruments, validate I2S slot alignment with the source processor, and measure jitter and channel synchronization on the first article. Do not assign master-clock or data-line routing solely from generic I2S conventions.
Compliance Information
The supplied verified records do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals compliance. These fields remain unknown rather than being inferred from the manufacturer or package type.
