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PCM1794, PCM1794ADB, PCM1794ADBR

Table of contents:
Info of PCM1794
Info of PCM1794ADB
Info of PCM1794ADBR

PCM1794, PCM1794ADB, PCM1794ADBR Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:TSSOP28 D/C:09+

PCM1794, PCM1794ADB, PCM1794ADBR Datasheet download

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Part Number: PCM1794ADB

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: TSSOP28

D/C: 09+

Description: IC DAC AUDIO 24BIT 192KHZ 28SSOP

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PCM1794 General Description

The PCM1794 is a monolithic CMOS integrated circuit thatincludes stereo digital-to-analog converters and supportcircuitry in a small 28-lead SSOP package.

The dataconverters use TI's advanced segment DAC architectureto achieve excellent dynamic performance and improvedtolerance to clock jitter. The PCM1794 provides balancedcurrent outputs, allowing the user to optimize analogperformance externally. Sampling rates up to 200 kHz aresupported.

PCM1794 Maximum Ratings

		PCM1793
Supply voltage	V_CC1, V_CC2L, V_CC2R	−0.3 V to 6.5 V
	V_DD	−0.3 V to 4 V
Supply voltage differences: V_CC1, V_CC2L and V_CC2R		±0.1 V
Ground voltage differences: AGND1, AGND2, AGND3L, AGND3R, and DGND		±0.1 V
Digital input voltage	LRCK, DATA, BCK, SCK, FMT1, FMT0, MONO, CHSL, DEM, MUTE, RST,	0.3 V to 6.5 V
	ZERO	0.3 V to (V_DD + 0.3 V) < 4 V
Analog input voltage		0.3 V to (V_CC + 0.3 V) <6.5 V
Input current (any pins except supplies)		±10 mA
Ambient temperature under bias		40°C to 125°C
Storage temperature		55°C to 150°C
Junction temperature		150°C
Lead temperature (soldering)		260°C, 5 s
Package temperature (IR reflow, peak)		250°C

PCM1794 Features

24-Bit Resolution
Analog Performance:− Dynamic Range: 132 dB (9 V RMS, Mono)129 dB (4.5 V RMS, Stereo)127 dB (2 V RMS, Stereo)− THD+N: 0.0004%
Differential Current Output: 7.8 mA p-p
8* Oversampling Digital Filter:− Stop-Band Attenuation: 130 dB− Pass-Band Ripple: ±0.00001 dB
Sampling Frequency: 10 kHz to 200 kHz
System Clock: 128, 192, 256, 384, 512, or768 fS With Autodetect
Accepts 16- and 24-Bit Audio Data
PCM Data Formats: Standard, I2S, andLeft-Justified
Optional Interface Available to ExternalDigital 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, Lead-FreeProduct

PCM1794 Typical Application

A/V Receivers
DVD Players
Musical Instruments
HDTV Receivers
Car Audio Systems
Digital Multitrack Recorders
Other Applications Requiring 24-Bit Audio

PCM1794 Connection Diagram

PCM1794ADB Parameters

Technical/Catalog Information	PCM1794ADB
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Data Interface	Serial
Number of Bits	24
Operating Temperature	-25°C ~ 85°C
Package / Case	28-SSOP
Packaging	Tube
Voltage Supply Source	Analog and Digital
Settling Time	-
Drawing Number	296; 4040065; DB; 14, 16, 20, 24, 28, 30, 38
Number of Converters	2
Power Dissipation (Max)	335mW
Number of Outputs and Type	4 Current, Unipolar
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	PCM1794ADB PCM1794ADB

PCM1794ADBR Parameters

Technical/Catalog Information	PCM1794ADBR
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Data Interface	Serial
Number of Bits	24
Operating Temperature	-25°C ~ 85°C
Package / Case	28-SSOP
Packaging	Tape & Reel (TR)
Voltage Supply Source	Analog and Digital
Settling Time	-
Drawing Number	296; 4040065; DB; 14, 16, 20, 24, 28, 30, 38
Number of Converters	2
Power Dissipation (Max)	335mW
Number of Outputs and Type	4 Current, Unipolar
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	PCM1794ADBR PCM1794ADBR 296 21537 2 ND 296215372ND 296-21537-2

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