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BU8731KV Datasheet(PDF) 2 Page - LSI Computer Systems

Part # BU8731KV
Description  PCM CODEC for Digital cellular phones
PDF  2 Pages
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Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

BU8731KV Datasheet(HTML) 2 Page - LSI Computer Systems

  BU8731KV Datasheet HTML 1Page - LSI Computer Systems BU8731KV Datasheet HTML 2Page - LSI Computer Systems  
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●Application Circuit
Function
Supply voltage range
Filter structure
Dynamic receiver driving
Speaker output form
Speaker output load
Amplifier for earphone
Tone generation
Tone pattern
Gain control
Mute function
Power down function
DAI(Digital Audio Interface)
Side tone
Auxiliary analog input
Auxiliary analog output
Ringer direct driving
PCM format
Package
PCM CODEC
2.7~3.3V
8.0mA
0.1µA
· Digital
BTL
32
DTMF
16Hz warble
Soft mute function
Power down in each block
Inside(Gain control)
Single end x2
Single end x2
µ/A-LAW･
Linear
QFN48U
PCM CODEC
2.7~3.3V
8.0mA
0.1µA
· Digital
BTL
32
DTMF
16Hz warble
Soft mute function
Power down in each block
Inside(Gain control）
Single end x2
Single end x2
Gain control
µ/A-LAW･
Linear
VQFP48
BU8776KN
●Comparision table
BU8730KV
PCM CODEC
2.7~3.3V
8.2mA
0.1µA
· Digital
BTL
20k
DTMF · Triple tone
Each for GSM
Soft mute function
Power down in each block
Outside(No gain control)
Single end
Single end
Linear
VQFP48
BU8732AKV
BU8731KV
PCM CODEC
2.7~3.3V
8mA
0.1µA
· Digital
BTL
32
DTMF
16Hz warble
Soft mute function
Power down in each block
Inside(Gain control）
Single end x2
Single end x2
Gain control
µ/A-LAW·Linear
VQFP48
BU8733KV
PCM CODEC
2.7~3.3V
5.4mA
0.1µA
· Digital
BTL
32
DTMF
16Hz continuation
Soft mute function
Power down in each block
Inside(Gain control）
Single end
Single end
Gain control
µ/A-LAW·Linear
VQFP48
Part No.
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
＋
−
−
＋
−
＋
＋
−
＋
−
＋
−
−
＋
＋
−
CPUへ
MIC1O
XPRSTB
CPU I/F
3-TONE
DTMF
GEN
BPF
TONE
D/A
VREF/
COMMON
SOFTMUTE
DSP I/F
A/D
AAF
EV3
EV0
EV4
EV1
LPF
D/A
PLL
DVDD
DVSS
PCMOUT
PCMIN
DCLK
CPUSEL
TSTMOD
TSTIN
TSTOUT
NC
SPOUT
MIC1IN
MIC1IP
TXVSS
TXREF
REFC
CODECREF
RXREF
SMUTE
RXVDD
EARO
RXVSS
C11
C1
R8
Frame
Synchronizing
signal
TEXT
8KHz
＋
＋
＋
＋
＋
＋
＋
＋
R7
RESET
To DSP
"L" fixed
"L" fixed
"L" fixed
SW9A
SW9B
ERMT
SPMT
JAmp
EAmp1
Amp5
Amp4
EAmp2
R2
C2
REXT
R1
C1
R4
C4
C5
C6
C7
R3
C3
Speaker for receiver
Dynamic type 32
Speaker for earphone
Dynamic type 32
0.22µ
＋
1µ
＋
1µ
＋
2.2µ
＋
＋
＋
1µ
R5
R6
C9 C8
MIC
Amp
MIC
Amp2
Amp1
SW0
1
2
3
SW12
SW8
ON by REFPON
ON by VCPON
ON by TGPON
ON by VOPON
or TGPON
ON by SPON
ON by EARON
ON by RXPON
R1:100k
R2:100k
R3:100k
R4:100k
R5:5.6k
R6:100k
R7:5.6k
R8:100k
C1:0.1µ
C2:470p
C3:0.1µ
C4:470p
C5:0.1µ
C6:0.1µ
C7:0.1µ
C8:2.2µ
C9:470p
C10:2.2µ
C11:470p
Typical external
circuit constant
Operating mode
consumption current (TYP.)
Stand-by mode
consumption current (TYP.)



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