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MC145190DT bảng dữ liệu(PDF) 1 Page - Motorola, Inc

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Giải thích chi tiết về linh kiện  1.1GHz PLL Frequency Synthesizers
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MC145190DT bảng dữ liệu(HTML) 1 Page - Motorola, Inc

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MC145190
•MC145191
MOTOROLA
1
1.1 GHz PLL Frequency
Synthesizers
Include On–Board 64/65 Prescalers
The MC145190 and MC145191 are single–package synthesizers with serial
interfaces capable of direct usage up to 1.1 GHz. A special architecture makes
these PLLs very easy to program because a byte–oriented format is utilized.
Due to the patented BitGrabber
registers, no address/steering bits are
required for
random access of the three registers. Thus, tuning can be
accomplished via a 3–byte serial transfer to the 24–bit A register. The interface
is both SPI and MICROWIRE
compatible.
Each device features a single–ended current source/sink phase detector
output and a double–ended phase detector output. Both phase detectors have
linear transfer functions (no dead zones). The maximum current of the
single–ended phase detector output is determined by an external resistor tied
from the Rx pin to ground. This current can be varied via the serial port.
The MC145190 features logic–level converters and high–voltage phase/
frequency detectors; the detector supply may range up to 9.5 V. The
MC145191 has lower–voltage phase/frequency detectors optimized for
single–supply systems of 5 V
±10%.
Each part includes a differential RF input which may be operated in a
single–ended mode. Also featured are on–board support of an external crystal
and a programmable reference output. The R, A, and N counters are fully
programmable. The C register (configuration register) allows the parts to be
configured to meet various applications. A patented feature allows the C
register to shut off unused outputs, thereby minimizing system noise and
interference.
In order to have consistent lock times and prevent erroneous data from being
loaded into the counters, on–board circuitry synchronizes the update of the A
register if the A or N counters are loading. Similarly, an update of the R register
is synchronized if the R counter is loading.
The double–buffered R register allows new divide ratios to be presented to
the three counters (R, A, and N) simultaneously.
• Maximum Operating Frequency: 1100 MHz @ Vin = 200 mV p–p
• Operating Supply Current: 7 mA Nominal
• Operating Supply Voltage Range (VDD and VCC Pins): 4.5 to 5.5 V
• Operating Supply Voltage Range of Phase Detectors (VPD Pin) —
MC145190: 8.0 to 9.5 V
MC145191: 4.5 to 5.5 V
• Current Source/Sink Phase Detector OUTPUT Capability: 2 mA Maximum
• Gain of Current Source/Sink Phase/Frequency Detector Controllable via
Serial Port
• Operating Temperature Range: – 40 to + 85°C
• R Counter Division Range: (1 and) 5 to 8191
• Dual–Modulus Capability Provides Total Division up to 262,143
• High–Speed Serial Interface: 4 Mbps
• OUTPUT A Pin, When Configured as Data Out, Permits Cascading of Devices
• Two General–Purpose Digital Outputs — OUTPUT A: Totem–Pole (Push–Pull)
OUTPUT B: Open–Drain
• Patented Power–Saving Standby Feature with Orderly Recovery for
Minimizing Lock Times, Standby Current: 30
µA
• Evaluation Kit Available (Part Numbers MC145190EVK and MC145191EVK)
• See Application Note AN1253/D for Low–Pass Filter Design, and
AN1277/D for Offset Reference PLLs for Fine Resolution or Fast Hopping
BitGrabber is a trademark of Motorola Inc. MICROWIRE is a trademark of National Semiconductor Corp.
Order this document
by MC145190/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
fin
TEST 2
OUTPUT B
OUTPUT A
CLK
12
13
14
15
16
11
10
Din
REFin
VCC
ENB
8
7
6
5
4
3
2
1
TEST 1
Rx
GND
PDout
φV
φR
LD
REFout
9
18
19
20
17
PIN ASSIGNMENT
VPD
fin
VDD
MC145190
MC145191
F SUFFIX
SOG PACKAGE
CASE 751J
ORDERING INFORMATION
MC145190F
SOG Package
MC145191F
SOG Package
MC145190DT
TSSOP
MC145191DT
TSSOP
20
1
DT SUFFIX
TSSOP
CASE 948D
20
1
© Motorola, Inc. 1998
REV 5
1/98
TN98012300


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