16bit audio path BU7858KN BU7858KN audio path built 16bit st
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BU7858KN
16bit audio path
BU7858KN
BU7858KN audio path built 16bit stereo converter. This incorporates input (including digital input), stereo output analog output.
!Applications
!External dimensions (Unit
1.1±0.1 +0.1 0.6-0.3 5.2±0.1 5.0±0.1
Cellular phones with function playing
!Features play quality sound with stereo 16bit converter. Headphone driver that best application with Headphone. Built-in function frequency correction Headphone output. Selectable matrix audio path mixing with setting.
5.2±0.1 5.0±0.1
0.2±0.05
0.20±0.05
0.05
QFN28V
!Absolute maximum ratings (Ta=25°C)
Parameter Supply voltage Power dissipation Operating temperature range Storage temperature range Symbol Topr Tstg Limits -0.3 +4.5 Unit
Derating 5.8mW/ operation above Ta=25
!Recommended Operating Conditions (Ta=25°C)
Parameter Supply voltage Symbol Min. Typ. Max. Unit
0.01+0.03 -0.007 0.6±0.1 +0.2 0.8-0.1
0.05
BU7858KN
!Electrical characteristic (Unless otherwise noted, Ta=25°C, AVDD=DVDD=3.0V)
Parameter Current consumption S/(N+D) Headphone Headphone output power Headphone output noise voltage output maximum level EXTO output maximum level Symbol ldd3 SN+D THDhp VOMAX VOMAX Min. Typ. Max. Unit VP-P VP-P Conditions Power Headphone part. Input signal fs=44.1kHz, fin=1kHz, 20kHz LPF, Vin=-0.5dB fs=44.1kHz, fin=1kHz, A-weighted, Vin=0dB fin=1kHz, 20kHz LPF, Vin=-10dB fin=1kHz, THD=10%, RL=16 A-weighted fin=1kHz, <1%, RL=10k fin=1kHz, THD<1%, RL=600
!Application Circuit
PLLC
DVDD
DVSS
AVDD
AVSS
MCLKO
MIXSEL1
BCLK
ATT2
MIXSEL2
RING
ATT1
ATT3
EXTO HP_R
MCLKI BCLK LRCLK SDTI
Digital Audio
Digit
16bit
MIXSEL3
ATT4
CA_R
16bit
MIXSEL4
HP_L
MEL_R MEL_L EXTI
ATT5
CA_L
BIAS
Serial Control
CVCOM
NRST
SCLK
SDATA
CSTEP
CSTART
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