24-Bit Resolution
Analog Performance:
- Dynamic Range: 123 dB
- THD+N: 0.0005%
Differential Current Output: 4 mAp-p
8× Oversampling Digital Filter:
- Stop-Band Attenuation: –98 dB
- Pass-Band Ripple: ±0.0002 dB
Sampling Frequency: 10 kHz to 200 kHz
System Clock: 128, 192, 256, 384, 512, or 768 f_S
With Autodetect
Accepts 16- and 24-Bit Audio Data
PCM Data Formats: Standard, I2S, and Left-
Justified
Interface Available for Optional External Digital
Filter or DSP
Digital De-Emphasis
Digital Filter Rolloff: Sharp or Slow
Soft Mute
Zero Flag
Dual-Supply Operation: 5-V Analog, 3.3-V Digital
5-V Tolerant Digital Inputs
Small 28-Lead SSOP Package
Pin Assignment Compatible With PCM1794

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The PCM1798 device is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters (DACs) and support circuitry in a small 28-lead SSOP package. The data converters use TI’s advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1798 device provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.

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Technical documentation

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	Type	Title	Date
*	Datasheet	PCM1798 24-Bit, 192-kHz Sampling, Advanced Segment, Audio Stereo Digital-to-Analog Converter datasheet (Rev. B)	Mar. 13, 2015
	Application notes	Dynamic Performance Testing of Digital Audio D/A Converters	Oct. 02, 2000
	Application notes	A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters	Sep. 27, 2000
	Application notes	THD+N Versus Frequency Characteristics and Spectra of the PCM1717/18/19/20/23/27	Sep. 27, 2000