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U4286BM-BFP PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 U4286BM-BFP
기능 AM / FM-PLL
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U4286BM-BFP 데이터시트, 핀배열, 회로
TELEFUNKEN Semiconductors
U4286BM
AM / FM-PLL
Description
The U4286BM is an integrated circuit in BICMOS
technology for frequency synthesizer. It performs all the
functions of a PLL radio tuning system and is controlled
by I2C bus. The device is designed for all frequency
synthesizer applications of radio receivers, as well as
RDS ( Radio Data System ) applications.
Features
D Reference oscillator up to 15 MHz
D Two programmable 16 bit dividers
adjustable from 2 to 65535
yD Fine tuning steps: AM 1 kHz
yFM 2 kHz
D Two programmable switching outputs (open drain up
to 20 V)
D Few external component requirements due to
integrated loop-transistor for AM/FM
D High signal/ noise ratio
Block Diagram
OSCIN
OSCOUT
14
Oscillator
15
R–Divider
SWO 1 SWO 2
56
Switching outputs
SCL
SDA
AS
2
3
4
I2C–BUS
Interface
FMOSC 7 Preamplifier : 2
Latch
Shift register
Latch
Latch
Status
Phase
detector
9
AMOSC
Preamplifier
AM/FM
switch
8
GND 2
N–Divider
1
VDD
16
GND 1
11
Current
sources
12
10
Analogue
outputs 13
PDFM
PDAM
PDFMO
PDAMO
93 7581 e
Figure 1.
Rev. A1: 19.08.1996
Preliminary Information
1 (9)




U4286BM-BFP pdf, 반도체, 판매, 대치품
U4286BM
TELEFUNKEN Semiconductors
Transmission protocol
MSB
S Address
A7
LSB
A
A0
Subaddress
R-divider
A Data 0 A Data 1 A Data 2 A P
MSB
LSB
S Address
A7 A0
A
Subaddress
N-divider
A Data 3 A Data 4 A P
A
S = Start P = Stop A = Acknowledge
Figure 3.
Absolute Maximum Ratings
Parameters
Supply voltage
Pin 1
Input voltage
Pin 2, 3, 4, 7, 9, 14, 15
Output current
Pin 3, 5, 6
Output drain voltage
Pin 5, 6
Output voltage
Pin 10, 13
Output current
Pin 10, 13
Ambient temperature range
Storage temperature range
Junction temperature
Electrostatic handling (MIL Standard 883C)
Symbol
VDD
VI
IO
VOD
VAO
IAO
Tamb
Tstg
" Tj
VESD
Thermal Resistance
Junction ambient
Parameters
Symbol
RthJA
Value
–0 to +6
–0.3 to VDD + 0.3
–1 to +5
20
15
–1 to +20
–25 to +85
–40 to +125
125
2000
Value
160
Unit
V
V
mA
V
V
mA
_C
_C
_C
V
Unit
K/W
4 (9)
Preliminary Information
Rev. A1: 19.08.1996

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U4286BM-BFP 전자부품, 판매, 대치품
TELEFUNKEN Semiconductors
U4286BM
Application Circuit
12 V
220
220 m
16 V
1k
10 k
R1
56 k
C5
6.8 n
10 k
3 k 100 n
AMOSC
1n
FMOSC
27 p 27 p
4 MHz
C1
220 n
150 p
R2
33 k C2
2.2 n
16 15 14 13 12 11 10
9
C3 U 4286 BM
100 n
C4
100 m
6.3 V
1
27
5V
PCB-Layout
2 34 5 67 8
12 k 12 k
22 k 22 k
Figure 5.
1n
15 V
93 7582 e
GND
C1 C2
16 15 14 13 12 11 10
9
C4
VDD
C3
123456
Figure 6.
Rev. A1: 19.08.1996
Preliminary Information
78
93 7583 e
7 (9)

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전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

휴대전화 : 010-3582-2743


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