BU8732AKV Datasheet, PDF (7/11 Pages) Rohm – CODEC IC for digital mobile phone

Communication ICs
BU8732AKV
< Analog element (1) >
Parameter
Max. Closed loop gain
Min. Load impedance
Max. Load capacitance
Max. Output level
Absolute gain error
of AMP1
Absolute gain error
of AMP3
Symbol
GCMIC1
GCMIC2
GCAMP4
GCAMP5
RLTX
RLRX
RLEXT
RLSPC
RLEAR
CLTX
CLRX
Min.
40
40
40
40
50k
50k
600
30
30
−
−
VOTX
0.707
Typ.
−
−
−
−
−
−
−
−
−
−
−
−
VORX
0.707
−
VOSPC
0.791 1.130
VOEAR
0.485 0.693
VOEXT
0.393 0.562
GVAMP11
−1.5
−
GVAMP12
−1.5
−
GVAMP13
−1.5
−
GVAMP31
−1.5
−
Max.
−
−
−
−
−
−
−
−
−
50p
50p
−
−
−
−
−
1.5
1.5
1.5
1.5
Unit
dB
Ω
F
Vrms
dB
dB
Conditions
MICAMP1, THD<5%
MICAMP2, THD<5%
AMP4, THD<5%
AMP5, THD<5%
MIC10, MIC20, TAUDOGND
AUDO, AUDVR, ERPO, SPPO GND
EXTO GND
SPCOP-SPCON
EARO-GND
MIC10, MIC20, TAUDO GND
AUDO, ERPO, SPPO GND
MIC10, MIC20, TAUDO
RL=50kΩ, CL=50pF, THD<5%
AUDO, AUDVR, ERPO, SPPO
RL=50kΩ, CL=50pF, THD<5%
SPCOP-SPCON
RL=32Ω, THD<5%
EARO
RL=32Ω, THD<5%
EXTO
RL=600Ω, THD<5%
TEXTADD→TAUDO
SW0=SW12=ON, SW1=SW2=SW3=OFF
MIC20→TAUDO
SW1=SW12=ON, SW0=SW2=SW3=OFF
MIC10→TAUDO
SW2=SW12=ON, SW0=SW1=SW3=OFF
RIN→AUDO
SW7=ON, SW4=SW5=SW6=OFF
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