PCM2704C - TI

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

Part No

PCM2704C
Manufacturer

TI
ChipWorker Part#

CW435544224
RoHS

Lead free / RoHS Compliant
Description

98dB SNR Stereo Full Speed DAC with line-out & S/PDIF output, Bus/Self-powered (Ext. ROM Interface) 28-SSOP -25 to 85
Documentation

Datasheet

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PCM2704C Specifications

Attribute	Attribute Value

Part Number	PCM2704C
Manufacturer	TI
ChipWorker Part#	CW435544224
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The PCM270xC are TIs single-chip USB stereo audio digital-to-analog converters (DACs) with USB 2.0 compliant full-speed protocol controller and S/PDIF. The USB-protocol controller works with no software code, but USB descriptors can be modified in some areas (for example, vendor ID/product ID) through the use of an external ROM (PCM2704C and PCM2706C) or serial peripheral interface (SPI) (PCM2705C and PCM2707C). The PCM270xC also employ SpAct architecture, TI"s unique system that recovers the audio clock from USB packet data. On-chip analog phase-locked loops (PLLs) with SpAct enable playback with low clock jitter.
On-Chip USB Interface:
No Dedicated Device Driver Needed
Full-Speed Transceivers
Fully Compliant With USB 2.0 Specification
USB 1.1 Descriptors With USB Audio
Class Support
Certified by USB-IF
Partially Programmable Descriptors
Adaptive Isochronous Transfer for Playback
Bus-Powered or Self-Powered Operation
Sampling Rates: 32 kHz, 44.1 kHz, and 48 kHz
On-Chip Clock Generator With Single 12-MHz
Clock Source
Single Power Supply:
Bus-Powered: 5 V, Typical (VBUS)
Self-Powered: 3.3 V, Typical
16-Bit Delta-Sigma Stereo DAC
Analog Performance at 5 V (Bus-Powered),
3.3 V (Self-Powered):
THD + N: 0.006% RL > 10 kΩ, Self-
Powered
THD + N: 0.025% RL = 32 Ω
SNR = 98 dB
Dynamic Range: 98 dB
PO = 12 mW, RL = 32 Ω
Oversampling Digital Filter
Passband Ripple = ±0.04 dB
Stop-Band Attenuation = 50 dB
Single-Ended Voltage Output
Analog LPF Included
Multiple Functions:
Up to Eight Human Interface Device (HID)
Interfaces (Model and Setting Dependent)
Suspend Flag
S/PDIF Out With SCMS
External ROM Interface (PCM2704C/6C)
Serial Programming Interface (PCM2705C/7C)
I2S Interface (Selectable on PCM2706C/7C)

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