PCM1781 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCM1781
Manufacturer

TI
ChipWorker Part#

CW229375188
RoHS

Lead free / RoHS Compliant
Description

The PCM1780/81/82 is a CMOS, monolithic, integrated circuit, which includes stereo digital-to-analog converters and support circuitry in a small 16-lead SSOP package
Documentation

Datasheet

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PCM1781 Specifications

Attribute	Attribute Value

Part Number	PCM1781
Manufacturer	TI
ChipWorker Part#	CW229375188
Documentation	Datasheet
Case/Package	SSOP-16
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The PCM1780/81/82 is a CMOS, monolithic, integrated circuit, which includes stereo digital-to-analog converters and support circuitry in a small 16-lead SSOP package. The data converters use TIs enhanced multilevel delta-sigma architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1780/81/82 accepts industry standard audio data formats with 16- to 24-bit data, providing easy interfacing to audio DSP and decoder chips. Sampling rates up to 200 kHz are supported. The PCM1780/82 provides a full set of user-programmable functions through a three-wire serial control port, which supports register write functions. The PCM1781 provides a subset of user-programmable functions through four control pins.
The PCM1780 is pin-compatible with the PCM1680 (8-channel DAC).
24-Bit Resolution
Analog Performance (VCC = 5 V):
Dynamic Range: 106 dB
SNR: 106 dB, Typical
THD+N: 0.002%, Typical
Full-Scale Output: 3.9 Vp-p, Typical
4×/8× Oversampling Digital Filter:
Stop-Band Attenuation: -50 dB
Pass-Band Ripple: ±0.04 dB
Sampling Frequency: 5 kHz to 200 kHz
System Clock: 128 fS, 192 fS, 256 fS, 384 fS, 512 fS, 768 fS, 1152 fS With Autodetect
Software Control (PCM1780, PCM1782):
Accepts 16-, 18-, 20-, and 24-Bit Audio Data
Formats: Right-Justified, I2S, and Left-Justified
Digital Attenuation: Mode Selectable
0 dB to -63 dB, 0.5 dB/step
0 dB to -100 dB, 1 dB/step
Digital De-Emphasis
Digital Filter Rolloff: Sharp or Slow
Soft Mute
Zero Flags for Each Output
Open-Drain Output Zero Flag (PCM1782)
Hardware Control (PCM1781):
I2S and 16-Bit Word, Right-Justified
Digital De-Emphasis
Soft Mute
Zero Flag for L-, R-Channel Common Output
Power Supply: 5-V Single Supply
Small, 16-Lead SSOP Package (150 mil)
Pin-Compatible with PCM1680
APPLICATIONS
A/V Receivers
DVD Movie Players
DVD Add-On Cards For High-End PCs
DVD Audio Players
HDTV Receivers
Car Audio Systems
Other Applications Requiring 24-Bit Audio
System Two, Audio Precision are trademarks of Audio Precision, Inc.
All other trademarks are the property of their respective owners.

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