MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MC145200/D
2.0 GHz PLL Frequency
Synthesizers
MC145200
MC145201
Include On鈥揃oard 64/65 Prescalers
The MC145200 and MC145201 are single鈥損ackage synthesizers with serial
interfaces capable of direct usage up to 2.0 GHz. A special architecture makes
these PLLs very easy to program because a byte鈥搊riented format is utilized.
Due to the patented BitGrabber鈩?registers, no address/steering bits are
required for
random access
of the three registers. Thus, tuning can be
accomplished via a 3鈥揵yte serial transfer to the 24鈥揵it A register. The interface
is both SPI and MICROWIRE鈩?compatible.
Each device features a single鈥揺nded current source/sink phase detector
output and a double鈥揺nded phase detector output. Both phase detectors have
linear transfer functions (no dead zones). The maximum current of the
single鈥揺nded 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 MC145200 features logic鈥搇evel converters and high鈥搗oltage phase/
frequency detectors; the detector supply may range up to 9.5 V. The MC145201
has lower鈥搗oltage phase/frequency detectors optimized for single鈥搒upply
systems of 5 V
卤10%.
Each part includes a differential RF input which may be operated in a
single鈥揺nded mode. Also featured are on鈥揵oard 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鈥揵oard 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鈥揵uffered R register allows new divide ratios to be presented to
the three counters (R, A, and N) simultaneously.
鈥?/div>
Maximum Operating Frequency: 2000 MHz @ Vin = 200 mV p鈥損
鈥?/div>
Operating Supply Current: 12 mA Nominal
鈥?/div>
Operating Supply Voltage Range (VDD and VCC Pins): 4.5 to 5.5 V
鈥?/div>
Operating Supply Voltage Range of Phase Detectors (VPD Pin) 鈥?/div>
MC145200: 8.0 to 9.5 V
MC145201: 4.5 to 5.5 V
鈥?/div>
Current Source/Sink Phase Detector Output Capability: 2 mA Maximum
鈥?/div>
Gain of Current Source/Sink Phase/Frequency Detector Controllable via
Serial Port
鈥?/div>
Operating Temperature Range: 鈥?40 to + 85掳C
鈥?/div>
R Counter Division Range: (1 and) 5 to 8191
鈥?/div>
Dual鈥揗odulus Capability Provides Total Division up to 262,143
鈥?/div>
High鈥揝peed Serial Interface: 4 Mbps
鈥?/div>
OUTPUT A Pin, When Configured as Data Out, Permits Cascading of Devices
鈥?/div>
Two General鈥揚urpose Digital Outputs 鈥?OUTPUT A: Totem鈥揚ole (Push鈥揚ull)
OUTPUT B: Open鈥揇rain
鈥?/div>
Power鈥揝aving Standby Feature with Orderly Recovery for Minimizing Lock
Times, Standby Current: 30
碌A
鈥?/div>
Evaluation Kit Available (Part Numbers MC145200EVK and MC145201EVK)
鈥?/div>
See Application Note AN1253/D for Low鈥揚ass Filter Design, and
AN1277/D for Offset Reference PLLs for Fine Resolution or Fast Hopping
20
F SUFFIX
SOG PACKAGE
CASE 751J
1
20
1
DT SUFFIX
TSSOP
CASE 948D
ORDERING INFORMATION
MC145200F
MC145201F
MC145200DT
MC145201DT
SOG Package
SOG Package
TSSOP
TSSOP
PIN ASSIGNMENT
REFout
LD
蠁
R
蠁
V
VPD
PDout
GND
Rx
TEST 1
fin
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
REFin
Din
CLK
ENB
OUTPUT A
OUTPUT B
VDD
TEST 2
VCC
fin
BitGrabber is a trademark of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.
REV 4
1/98
TN98012300
漏
Motorola, Inc. 1998
MOTOROLA
MC145200鈥C145201
1
MC145200 PDF文件相关型号
MC145200F,MC145201DT
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