PCM1704U-J Texas Instruments audio-dacs (SSOP) In Stock
PCM1704U-J is a 24-bit sign-magnitude DAC by Texas Instruments with 112 dB dynamic range and 8x oversampling filter. Supports 1-piece orders, ships globally.
- Manufacturer
- Texas Instruments
- Package
- SSOP
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PCM1704U-J Datasheet PDF
- Category
- audio-dacs
- Temp Range
- 0.0°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PCM1704U-J?
- audio-dacs from Texas Instruments for production electronic assemblies
- SSOP package with 28 pins for PCB footprint planning
- 0°C to 70°C operating temperature range for environmental screening
- Datasheet context includes 24-bit for engineering cross-checks
- Manufacturer or distributor datasheet URL available for technical verification
- Suitable for embedded systems, industrial electronics, communication equipment applications
What is PCM1704U-J used for?
PCM1704U-J is used in high-end audio equipment including CD/SACD players, digital audio workstations, and professional mixing consoles. It is also suited for audiophile preamplifiers and home theater receivers requiring the highest dynamic range and lowest distortion.
What are the specifications of PCM1704U-J?
| Resolution | 24-bit |
| Dynamic Range | 112 dB |
| THD+N | -100 dB |
| Supply Voltage Analog | plus/minus 15 V |
| Supply Voltage Digital | 5 V |
| Sampling Rate | Up to 192 kHz |
| Output Type | Differential Current |
| Interface | I2S / Right-Justified |
| Package | 28-pin SSOP |
| Operating Temperature | 0 to 70 degrees C |
| Package | SSOP |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the PCM1704U-J datasheet?
PCM1704U-J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PCM1704U-J?
Compatible alternatives and drop-in replacements for PCM1704U-J:
Extended temperature grade (-25 to 85C) variant of PCM1704U-J, identical electrical specs
Frequently Asked Questions
What is the PCM1704U-J and what makes it unique?
The PCM1704U-J is a 24-bit sign-magnitude digital-to-analog converter from Texas Instruments. Unlike conventional delta-sigma DACs, it uses a sign-magnitude architecture that eliminates zero-crossing distortion, delivering 112 dB dynamic range and -100 dB THD+N — performance favored in reference-grade audio equipment.
What is the difference between PCM1704U and PCM1704U-J?
The PCM1704U-J is the commercial temperature grade variant (0 to 70 degrees C) of the PCM1704U series, packaged in a 28-pin SSOP. The -K suffix denotes extended temperature range (-25 to 85 degrees C). Both offer identical electrical performance including 24-bit resolution and 112 dB dynamic range.
What are common replacements or alternatives to the PCM1704U-J?
Close alternatives include the PCM1704U-K (extended temperature grade), the PCM1792A (24-bit delta-sigma DAC with 127 dB DNR), and the PCM1798 (dual 24-bit DAC with hardware and software control). For cost-sensitive designs, the PCM5102A or PCM1680 may be considered, though they use different architectures.
What supply voltages does the PCM1704U-J require?
The PCM1704U-J requires a plus/minus 15 V analog supply for the internal DAC core and a single 5 V digital supply for the digital interface and control logic. Proper analog power supply filtering is critical to achieving the full 112 dB dynamic range specification.
What digital audio interfaces are compatible with the PCM1704U-J?
The PCM1704U-J accepts standard I2S (Philips format) and right-justified serial audio data up to 24-bit word length. It supports sampling rates up to 192 kHz and includes an integrated 8x oversampling digital interpolation filter.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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