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參數資料
| 型號： | U3500BM-BFL |
| 英文描述： | Cordless Telephone Signal Processor |
| 中文描述： | 無繩電話信號處理器 |
| 文件頁數： | 2/17頁 |
| 文件大小： | 230K |
| 代理商： | U3500BM-BFL |
U3500BM
Rev. A3, 20-May-98
Preliminary Information
2 (17)
Pin Description
1
2
3
4
5
6
7
8
10
9
27
22
21
20
18
19
17
12
11
28
25
26
23
24
MIC1
GND
RXO
RECO2
RECO1
EXIN
MICO
MIC2
ETC
COIN
CTC
TXO
VCC
LOIN
VBATT
LNAO
RGND
LNAIN
C
DACO
MIXGND
D
RXDAT
TXDAT
16
15
14
13
96 11791
IFIN2
IFIN1
MIXIN
MIXO
Figure 2. Pinning
Pin
1
2
Symbol
TXO
CTC
Function
Transmit section analog output
Compressor time constant
control analog output
Compressor analog input
Microphone amplifier output
Non-inverting input of
microphone amplifier
Inverting input of microphone
amplifier
LF analog/ digital ground
Intermediate receive analog
output
Symmetrical output of receive
amplifier
Symmetrical output of receive
amplifier
Expander analog input
Expander time constant control
analog output
Symmetrical IF amplifier input
Symmetrical IF amplifier input
Mixer output
Mixer input
MIXGND IF amplifier and mixer ground
LNAIN
Low-noise amplifier input
RGND
Low-noise amplifier ground
LNAO
Low-noise amplifier output/
External LO input
VBATT
Battery supply
LOIN
Local oscillator input
(11.15 MHz)
VCC
Supply-voltage output for
peripherals and internal supply
of digital part
DACO
D/A comparator output
C
Clock input of serial bus
D
Data input of serial bus
RXDAT
Receive data digital output
TXDAT
Transmit data input
3
4
5
COIN
MICO
MIC2
6
MIC1
7
8
GND
RXO
9
RECO2
10
RECO1
11
12
EMN
ETC
13
14
15
16
17
18
19
20
IFIN2
IFIN1
MIXO
MIXIN
21
22
23
24
25
26
27
28
Order Information
Extended Type Number
U3500BM-BFL
U3500BM-BFLG3
Package
SO28
SO28
Remarks
Taped and reeled
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