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STW81200 датащи(PDF) 9 Page - STMicroelectronics

номер детали STW81200
подробное описание детали  Wideband RF PLL fractional/integer frequency synthesizer with integrated VCOs and LDOs
PDF  58 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW81200 датащи(HTML) 9 Page - STMicroelectronics

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DocID025943 Rev 7
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STW81200
Pin definitions
57
22
LD_SDO
Lock Detector/SPI Data output
CMOS push-pull Output 2.5V with slew
rate control or open drain (1.8V to 3.3V
tolerant)
23
SDI
SPI Data input
CMOS Schmitt triggered Input, 1.8 V
compatible, 3.3 V tolerant
24
SCK
SPI clock
CMOS Schmitt triggered Input, 1.8 V
compatible, 3.3 V tolerant
25
LE
SPI load enable
CMOS Schmitt triggered Input, 1.8 V
compatible, 3.3 V tolerant
26
VDD_DSM_NDIV
Supply voltage for DSM and N
divider
This pin must be connected to
VREG_DIG
27
VREG_DIG
Regulated output voltage for
digital circuitry regulator
-
28
VIN_LDO_RF_DIG
Supply voltage for RF Output
divider stage and digital regulators
-
29
VREG_RF
Regulated output voltage for RF
Output Divider stage regulator
-
30
RF1_OUTN
Main RF negative output
50
Ω output impedance
31
RF1_OUTP
Main RF positive output
50
Ω output impedance
32
VCC_RFOUT
Supply voltage for RF Output
stages
Connected to VREG_DIV, VREG_4V5
or external 5V
33
RF2_OUTN
Auxiliary RF negative output
50
Ω output impedance
34
RF2_OUTP
Auxiliary RF positive output
50
Ω output impedance
35
TEST_SE
Test pin
This pin must be connected to ground
36
VIN_LDO_4V5
Supply voltage for 4.5 V regulator -
Table 2. Pin description (continued)
Pin No
Name
Description
Observation



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