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STW81101ATR 데이터시트(PDF) 7 Page - STMicroelectronics

부품명 STW81101ATR
상세설명  Multi-band RF frequency synthesizer with integrated VCOs
PDF  42 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW81101ATR 데이터시트(HTML) 7 Page - STMicroelectronics

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STW81101
Block diagram and pin configuration
7/42
1.2
Pin configuration
Figure 2.
Pin connection (top view)
Table 1.
Pin description
Pin No
Name
Description
Observation
1
VDD_VCOA
VCOA power supply
2
VDD_DIV2
Divider by 2 power supply
3
VDD_OUTBUF
Output buffer power supply
4
OUTBUFP
LO buffer positive output
Open collector
5
OUTBUFN
LO buffer negative output
Open collector
6
VDD_DIV4
Divider by 4 power supply
7
VDD_VCOB
VCOB power supply
8
VDD_ESD
ESD positive rail power supply
9
VCTRL
VCO control voltage
10
ICP
PLL charge pump output
11
REXT
External resistance connection for
PLL charge pump
12
VDD_CP
Power supply for charge pump
13
TEST1
Test input 1
Test purpose only; must
be connected to GND
14
LOCK_DET
Lock detector
CMOS Output
VFQFPN28
OUTBUFN
VDD_DIV4
VDD_DIV2
VDD_OUTBUF
VDD_BUFVCO
EXTVCO_INN
VDD_PLL
TEST2
VDD_VCOB
REF_CLK
VDD_VCOA
DBUS_SEL
OUTBUFP
EXTVCO_INP



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