PCM3794ARHBRG4 ,Very Low-Power Stereo CODEC with HP Amplifier, notch filters, ALC and 3D Effects 32-VQFN -40 to 85maximum ratings may cause permanent damage to the device. These are stress ratingsonly, and functio ..
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PCM3794ARHBR-PCM3794ARHBRG4-PCM3794ARHBT
Very Low-Power Stereo CODEC with HP Amplifier, notch filters, ALC and 3D Effects
FEATURES
PCM3793A
PCM3794A
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital
Speaker Amplifier 2(I2C)or3 (SPI) Wire Serial Control Analog Front End: •
Programmable Function by Register Control: Stereo Single-Ended Input With Multiplexer – Digital Attenuationof DAC:0 dBto –62 dB Mono Differential Input – Digital Gainof DAC:0,6, 12,18 dB Stereo Programmable Gain Amplifier – Power Up/Down Control for Each Module Microphone Amplifier (20 dB) and Bias – 6-dBto –70-dB Gain for Analog Outputs Analog Back End: – 30-dBto –12-dB Gain for Analog Inputs Stereo/Mono Line Output With Volume – 0/20 dB Selectable for Microphone Input Stereo/Mono Headphone Amplifier With – 0-dBto –21-dB Gain for Analog Mixing
Volume and Capless Mode – Parameter Settings for ALC Stereo/Mono Digital Speaker Amplifier – Three-Band Tone Control and 3D Sound(BTL) With Volume – High-Pass Filter:4-, 120-, 240-Hz•
Analog Performance: – Two-Stage Programmable Notch Filter Dynamic Range:93 dB (DAC) – Analog Mixing Control– Dynamic Range:90 dB (ADC) •
Pop-Noise Reduction Circuit 40-mW+ 40-mW Headphone Outputat •
Short and Thermal Protection CircuitRL=16Ω •
Package: 5-mm×
5-mm QFN Pacakge– 700-mW+ 700-mW Speaker Outputat •
Operation Temperature Range: –40°Cto 85°CRL=8Ω
Power Cellular Phone Digital Movie/Still Camera
