IBM 65nm 24bit Sigma-Delta DAC
Overview
The I65GV25_DAC_01 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, and the output analog signals including stereo output are single-ended,. The internal stereo headphone amplifier is capable of driving 16Ω load.
Key Features
- Single-ended DAC --THDN:-86dB --Dynamic Range, SNR: 95dB
- Audio Serial Interface: --32bit word length --I2S mode
- 2-wire Serial Control Interface
- Master Clock is 256*fs@8kHz to 48kHz /128*fs@96kHz and 192kHz
- Sampling Rates --8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz,96kHz and 192kHz
- Power Supply --1V Core Digital Supply typ. --2.5V Pad and Analog Supply typ. (2.25-2.75)
- Highly Efficient Linear Headphone Amplifier
- Internal PLL as the Audio DAC Master Clock Generator
Technical Specifications
Short description
IBM 65nm 24bit Sigma-Delta DAC
Vendor
Vendor Name
Foundry, Node
IBM 65nm
Maturity
Silicon proven
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- Up to 105 dB of SNR, 24-bit mono CODEC with PDM to PWM transmodulator DAC and embedded regulator