PCM1794DB - TI

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

Part No

PCM1794DB
Manufacturer

TI
ChipWorker Part#

CW23513133
Category

Digital to Analog, DAC IC
Package

SSOP-28
Description

TEXAS INSTRUMENTS PCM1794DB Digital to Analogue Converter, 24Bit, 192KSPS, Serial, 4.75V to 5.25V, SSOP, 28Pins
Documentation

Datasheet

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PCM1794DB Specifications

Attribute	Attribute Value

Part Number	PCM1794DB
Manufacturer	TI
ChipWorker Part#	CW23513133
Category	Digital to Analog, DAC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	SSOP-28
Supply Voltage (DC)	3.30 V, 5.00 V (max)
Power Rating	205 W
Number of Outputs	2 Output
Supply Current	45.0 mA
Number of Channels	2 Channel
Number of Positions	28 Position
Number of Bits	24 Bit
Power Dissipation	0.25 W
Sample Rate	200 ksps
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-25 ℃
Power Dissipation (Max)	250 mW
Supply Voltage	4.75V ~ 5.25V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Size-Length	10.2 mm
Size-Width	5.3 mm
Size-Height	1.95 mm
Operating Temperature	-25℃ ~ 85℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
HK STC License	NLR

Product Description

DESCRIPTION
The PCM1794 is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters 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 PCM1794 provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.
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, or 768 fS With Autodetect
• Accepts 16- and 24-Bit Audio Data
• PCM Data Formats: Standard, I2S, and Left-Justified
• Optional Interface Available to 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
APPLICATIONS
• A/V Receivers
• DVD Players
• Musical Instruments
• HDTV Receivers
• Car Audio Systems
• Digital Multitrack Recorders
• Other Applications Requiring 24-Bit Audio

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