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SMIC 0.18um 24Bit Sigma-Delta DAC
The SMIC18_DAC_01B specifies the design of a high-performance 24-bit stereo Audio DAC for portable digital audio systems. The DAC within the specification uses sigma-delta technique. Analog output signals including stereo output of the SMIC18_DAC_01B are single-ended. The internal stereo headphone amplifier is capable of driving 16Ω load.
Features
- Process: SMIC standard 0.18um /3.3V logic 1P6M
- Single-Ended DAC --THDN:-90dB@-6dB Fs Input --Dynamic Range, SNR: 100dB
- Audio Serial Interface --32bit word length --I2S mode
- 2-wire Serial Control Interface
- Master Clock is 256fs
- Sampling Rates --8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz, 96kHz
- Power Supply --1.8V Core Digital Supply, typ. (1.62~1.98V) --3.3V Pad and Analog Supply, typ. (2.6-3.6V)
- Highly efficient Linear Headphone Amplifier
- Internal PLL as the Audio DAC Master Clock Generator
- Output Mux to bypass FM signal to output
- Out-PGA: 0dB~-60dB, -2dB step with analog mute
- Supports Multiple OSC Frequency: 8.192M, 12M, 12.288M, 13M, 13.5M, 19.2M, 21.25M, 24M, 26M, 27M, 38.85MHz
- Power Dissipation: 3mA @ Ultra Low Power Mode
- Operating Junction Temperature: -40 ~ 125C
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