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BU8732AKV Datasheet(PDF) 6 Page - Rohm

Part No. BU8732AKV
Description  CODEC IC for digital mobile phone
Download  11 Pages
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Maker  ROHM [Rohm]
Homepage  http://www.rohm.com
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BU8732AKV Datasheet(HTML) 6 Page - Rohm

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BU8732AKV
Communication ICs
6/10
Electrical characteristics
(Ta=25
°C, DVDD=RXVDD=TXVDD=3.0V, FSYNC=8kHz, DCLK=256kHz
, gain 0dB, input signal frequency=1 kHz,
30 kHz LFP, specified particularly)
< CODEC block >
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Transmit signal-to-
distortion ratio
TEXTADD
→PCMOUT
1020Hz input
(LINEAR) ∗3)
1020Hz input
(LINEAR) ∗3)
SPCOP-SPCON, RL
=32Ω
Connect SPPN-SPPO
∗3)
EARO, RL
=32Ω
Connect ERPN-ERPO
∗3)
EV0
=0dB, (LINEAR) ∗3)
PCMIN
= "L" fixed, EV1=0dB,
(LINEAR) ∗3)
1020Hz,
(LINEAR) ∗3)
Reference level
= −10dBm0
1020Hz,
(LINEAR) ∗3)
Reference level
= −10dBm0
1020Hz, 0dBm0
EV0
=0dB, (LINEAR) ∗3)
1020Hz, 0dBm0
EV1
=0dB, (LINEAR) ∗3)
1020Hz, 0dBm0
Input reference
EV0
=0dB, (LINEAR)
1020Hz, 0dBm0
Input reference
EV1
=0dB, (LINEAR)
SDT
Receive signal-to-
distortion ratio
PCMIN
→AUDO
SDR
Receive Gain error
PCMIN
→AUDO
Transmit reference
signal level
GRX
Transmit Gain relative to
input signal gain at
1.02KHZ
TEXTADD
→PCMOUT
GRTX
Receive Gain relative to
input signal gain at
1.02KHZ
PCMIN
→AUDO
GRRX
VITX
Receive reference
signal level
VORX
Transmit noise level
TEXTADD
→PCMOUT
VNTX
Receive noise level
PCMIN
→AUDO
Noise level of speaker
amplifier for receiver
Noise level of speaker
amplifier for earphone
VNRX
VNSPC
VNEAR
Transmit Gain error
TEXTADD
→PCMOUT
GTX
dB
dB
dB
dB
dB
Vrms
TEXTADD
PCMOUT
PCMIN
→AUDO
Vrms
dBV
dBV
dBV
dBV
dB
−90
−93
−65
−70
0 to
−40dBm0
−40dBm0
−45dBm0
0 to
−40dBm0
−40dBm0
−45dBm0
+3 to −40dBm0
−40 to −50dBm0
−50 to −55dBm0
+3 to −40dBm0
−40 to −50dBm0
−50 to −55dBm0
0.06kHz
0.2kHz
0.3 to 3.0kHz
3.4kHz
3.6kHz
3.78kHz
0.3 to 3.0kHz
3.4kHz
3.6kHz
3.78kHz
35
29
24
35
29
24
−0.3
−0.6
−1.6
−0.3
−0.6
−1.6
0.3
0.6
1.6
0.3
0.6
1.6
0.257
0.291
0.436
0.411
24
0
−0.3
−0.3
2.5
0.3
0.9
0.3
0.9
0
6.5
−0.3
−0.3
0
6.5
−−
0.346
0.346
3) Using C-MESSAGE filter


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