PCM1774RGPRG4 ,93dB SNR Low-Power Stereo DAC with HP Amplifier (S/W Control) 20-QFN -40 to 85MAXIMUM RATINGS(1)over operating free-air temperature range (unless otherwise noted)MAX UNITSupply ..
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PI3USB40AE , 3.3V, Wide Bandwidth, 9-Channel, 2:1 Mux/DeMux USB 2.0 Switch with Single Enable
PCM1774RGPR-PCM1774RGPRG4-PCM1774RGPT-PCM1774RGPTG4
93dB SNR Low-Power Stereo DAC with HP Amplifier (S/W Control)
FEATURES
APPLICATIONS
DESCRIPTION
PCM1774
SLAS551–JULY 2007
16-Bit, Low-Power Stereo Audio DAC With Analog Mixing, Line and Headphone Outputs 2(I2 C™)or3 (SPI) Wire Serial Control Analog Front End: •
Programmable Function by Register Control: Stereo Single-Ended Input – Digital Attenuation:0 dBto –62 dB Microphone Amplifier (12 dB,20 dB) – Digital Gainof DAC:0,6, 12,18 dB Analog Back End: – Power Up/Down Control for Each Module Stereo/Mono Line Output With Volume – 6-dBto –70-dB Gain for Analog Outputs Stereo/Mono Headphone Amplifier With – 0/12/20 dB for Microphone Input
Volume – 0-dBto –21-dB Gain for Analog Mixing Analog Performance: – Three-Band Tone Control and 3D Sound Dynamic Range:93 dB – Analog Mixing Control 40-mW+ 40-mW Headphone Outputat •
Pop-Noise Reduction CircuitRL=16Ω •
Short Protection Circuit•
Power Supply Voltage •
Package: 4-mm×
4-mm QFN Package 1.71Vto 3.6V for Digital I/O Section •
Operation Temperature Range: –40°Cto 85°C– 1.71Vto 3.6V for Digital Core Section 2.4Vto 3.6V for Analog Section Portable Audio Player, Cellular Phone– 2.4Vto 3.6V for Power Amplifier Section Video Camcorder, Digital Still Camera•
Low Power Dissipation: PMP/DMB/PND– 6.4 mWin Playback, 1.8 V/2.4V, 44.1 kHz 3.3 μWin Power Down Sampling Frequency:5 kHzto50 kHz The PCM1774isa low-power stereo DAC designed•
Operation Froma Single Clock Input Without for portable digital audio applications. The device
PLL integrates headphone amplifier, line amplifier, line•
System Clock: input, boost amplifier, programmable gain control,
analog mixing, and sound effects.Itis availableina
– Common-Audio Clock (256 fS/384 fS), 12/24, small-footprint, 4-mm× 4-mm QFN package. The
13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz supports right-justified, left-justified,I2S, DSP formats, providing easy interfacingto audio and decoder/encoder chips. Sampling rates up
