AD1854JRSZ Analog Devices Integrated Circuit (Small Outline Packages) In Stock
AD1854JRSZ is a dual-channel 24-bit audio DAC from Analog Devices, supporting 96 kSPS sample rate with serial SPI input. Packaged in a 28-pin SSOP, it delivers ±2.8 V analog output swing and targets high-fidelity consumer and professional audio equipment.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- AD1854JRSZ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel 24-bit resolution audio DAC with ±11% FSR accuracy
- 96 kSPS maximum sample rate via serial SPI interface
- ±2.8 V analog output voltage swing for full dynamic range
- 28-pin SSOP package enabling compact audio PCB layouts
- 2's complement serial input format compatible with standard digital audio processors
Applications
The AD1854JRSZ is designed for high-fidelity audio playback systems including CD and DVD players, digital audio workstations, and home theater receivers. Its dual-channel 24-bit architecture and 96 kSPS sample rate make it suitable for professional studio equipment requiring accurate analog reconstruction. It also fits compact portable audio devices where space is constrained and audio quality is paramount.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | RS-28 |
| YTEOL | 0 |
| Analog Output Voltage-Max | 2.8V |
| Analog Output Voltage-Min | -2.8 V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | 2'S COMPLEMENT |
| Input Format | SERIAL |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Number of Bits | 24 |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.40 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resolution and sample rate does the AD1854JRSZ support for audio playback?
The AD1854JRSZ supports 24-bit resolution at up to 96 kSPS sample rate, enabling accurate digital-to-analog conversion for high-fidelity audio. This combination provides a wide dynamic range suitable for CD, DVD, and professional audio applications requiring low noise and high accuracy.
How does the AD1854JRSZ's analog output voltage range affect audio system design?
The AD1854JRSZ delivers an analog output voltage swing of ±2.8 V, which provides sufficient headroom for driving most audio amplifier input stages without additional gain stages. Designers can connect it directly to line-level inputs rated for 2 Vrms or 5.6 Vpp, simplifying the signal chain in consumer and professional audio equipment.
Which interface protocol does the AD1854JRSZ use, and how does it connect to a DSP or microcontroller?
The AD1854JRSZ uses a serial SPI-compatible input interface accepting 24-bit data in 2's complement format. It connects to a DSP, FPGA, or microcontroller via a standard 3-wire or 4-wire SPI bus running at up to 96 kSPS, making integration into existing digital audio pipelines straightforward without requiring dedicated audio-specific hardware.
What package does the AD1854JRSZ use and how does it fit on a compact audio PCB?
The AD1854JRSZ is housed in a 28-pin SSOP (Shrink Small Outline Package) measuring approximately 10.2 mm × 5.3 mm, enabling dense PCB layouts in portable and rack-mount audio equipment. Its small footprint with 0.635 mm pitch allows designers to place it close to analog output filtering components, reducing trace lengths and minimizing noise pickup in sensitive audio circuits.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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