UDA1342TS/N1,512
| Parameters | |
|---|---|
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Mfr | NXP USA Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Type | Stereo Audio |
| Supplier Device Package | 28-SSOP |
| Data Interface | Serial |
| Resolution (Bits) | 24 b |
| Voltage - Supply, Analog | 2.7V ~ 3.6V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V |
| Sigma Delta | No |
| Number of ADCs / DACs | 4 / 2 |
| Dynamic Range, ADCs / DACs (db) Typ | - |
| S/N Ratio, ADCs / DACs (db) Typ | 100 / 100 |
| Package | Tube |
| Product Status | Obsolete |
| Base Product Number | UDA134 |
| REACH Status | REACH Unaffected |
| Standard Package | 47 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
| Series | - |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| RoHS Status | ROHS3 Compliant |
UDA1342TS/N1,512 monolithic audio DAC Chip
The UDA1342TS/N1,512 is a high-performance, low-power monolithic audio DAC (Digital-to-Analog Converter) manufactured by NXP Semiconductors, engineered to deliver exceptional audio fidelity for consumer and professional audio applications. This single-chip solution integrates a 16-bit sigma-delta DAC core, an on-chip digital de-emphasis filter (selectable for 44.1kHz/48kHz sampling rates), a differential analog output stage, and a flexible serial audio interface (compatible with I2S, left-justified, and right-justified formats) to simplify integration with microcontrollers and digital audio sources. Key features include a wide supply voltage range (2.7V to 5.5V), ultra-low THD+N (total harmonic distortion plus noise) of <0.005% at 1kHz, a signal-to-noise ratio (SNR) of up to 90dB, and power-down mode support that reduces current consumption to <1µA, making it ideal for battery-powered devices. Additionally, the device is offered in a compact TSSOP-14 package, enabling space-efficient PCB design in portable and compact audio equipment.
UDA1342TS/N1,512 DAC Application Scenarios
● Portable audio devices (MP3 players, portable media players, wireless headphones, and Bluetooth audio receivers)
● Consumer audio equipment (Hi-Fi stereos, CD/DVD players, home theater systems, and soundbars)
● Professional audio gear (audio mixers, digital recorders, and studio monitor controllers)
● Automotive infotainment systems (in-car audio players, navigation systems with audio output)
● Medical audio devices (hearing aids, patient monitoring systems with audio alerts)
DAC Selection Guide & Alternative Models
When selecting DAC IC, prioritize compatibility with your system's sampling rate , supply voltage range, and interface protocol (I2S/serial audio) to ensure seamless integration; consider power consumption requirements for battery-operated designs and PCB space constraints for compact form factors. For applications requiring alternative solutions from leading semiconductor manufacturers, the following models are recommended:
1. PCM5102A (Texas Instruments): A low-power, high-performance 32-bit audio DAC with an integrated headphone amplifier, supporting up to 384kHz/32-bit PCM audio and offering SNR of 112dB, ideal for high-resolution audio applications where enhanced dynamic range is critical.
2. CS4344 (Cirrus Logic): A 16-bit stereo audio DAC featuring a 89dB SNR, low power consumption (10mW typical), and a compact SOIC-8 package, optimized for cost-sensitive consumer audio devices like entry-level portable players and audio accessories.
3. WM8731 (Cirrus Logic): A low-voltage stereo DAC with integrated headphone driver, supporting sampling rates up to 96kHz, 90dB SNR, and flexible power management, suited for mobile and automotive audio systems requiring both performance and power efficiency.
