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PDF MB15F04 Data sheet ( Hoja de datos )
| Número de pieza | MB15F04 | |
| Descripción | Dual Serial Input PLL Frequency Synthesizer | |
| Fabricantes | Fujitsu Media Devices | |
| Logotipo |  |
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FUJITSU SEMICONDUCTOR
DATA SHEET
DS04-21342-1E
ASSP
Dual Serial Input
PLL Frequency Synthesizer
MB15F04
s DESCRIPTION
The Fujitsu MB15F04 is a serial input Phase Locked Loop (PLL) frequency synthesizer with two 2.0GHz prescalers.
A 64/65 or a 128/129 for both 2.0GHz prescalers can be selected that enables pulse swallow operation.
The latest BiCMOS process technology is used, resuItantly a supply current is limited as low as 11.0mA typ. at a
supply voltage of 3.0V.
Furthermore, a super charger circuit is included to provide a fast tuning as well as low noise performance. As a result
of this, MB15F04 is ideally suitable for digital mobile communications.
s FEATURES
• High frequency operation RX synthesizer : 2.0 GHz max.
TX synthesizer : 2.0 GHz max.
• Low power supply voltage: VCC = 2.7 to 3.6 V
• Very Low power supply current : ICC = 11.0 mA typ. (Vcc = 3V)
• Power saving function : IPSTX = IPSTX = 10 µA max.
• Serial input 14–bit programmable reference divider: R = 5 to 16,383
• Serial input 18–bit programmable divider consisting of:
- Binary 7–bit swallow counter: 0 to 127
- Binary 11–bit programmable counter: 5 to 2,047
• On–chip high performance charge pump circuit and phase comparator, achieving high–speed lock–up and low
phase noise
• Wide operating temperature: Ta = −40 to 85°C
s PACKAGE
20-pin, Plastic SSOP
(FPT-20P-M03)
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MB15F04
s ABSOLUTE MAXIMUM RATINGS (See WARNING)
Parameter
Power supply voltage
Input voltage
Output voltage
Output current
Storage temperature
Symbol
VCC
VI
VO
IO
TSTG
Rating
–0.5 to +4.0
–0.5 to VCC +0.5
–0.5 to VCC +0.5
–10 to +10
–55 to +125
Unit Remark
V
V
V
mA
°C
WARNING: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded.
Functional operation should be restricted to the conditions as detailed in the operational sections of
this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
s RECOMMENDED OPERATING CONDITIONS
Parameter
Value
Symbol
Unit
Min Typ Max
Note
Power supply voltage
VCC 2.7 3.0 3.6 V VCCTX = VCCRX
Input voltage
Vi
GND
–
VCC V
Operating temperature
Ta –40 – +85 °C
Handling Precautions
• This device should be transported and stored in anti-static containers.
• This is a static-sensitive device; take proper anti-ESD precautions. Ensure that personnel and equipment are
properly grounded. Cover workbenches with grounded conductive mats.
• Always turn the power supply off before inserting or removing the device from its socket.
• Protect leads with a conductive sheet when handling or transporting PC boards with devices.
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s PHASE DETECTOR OUTPUT WAVEFORM
frTX/RX
fpTX/RX
LD
(FC bit = High)
DoTX/RX
Z
tWU
H
(FC bit = Low)
DoTX/RX
Z
tWL
L
MB15F04
LD Output Logic Table
TX–PLL section
Locking state / Power saving state
Locking state / Power saving state
Unlocking state
Unlocking state
RX–PLL section
Locking state / Power saving state
Unlocking state
Locking state / Power saving state
Unlocking state
LD output
H
L
L
L
Note: • Phase error detection range = −2π to +2π
• Pulses on DoTX/RX signals are output to prevent dead zone.
• LD output becomes low when phase error is tWU or more.
• LD output becomes high when phase error is tWL or less and continues to be so for three cycles or more.
• tWU and tWL depend on OSCin input frequency as follows.
tWU > 8/fosc: i.e. tWU > 625ns when foscin = 12.8 MHz
tWL < 16/fosc: i.e. tWL < 1250ns when foscin = 12.8 MHz
11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet MB15F04.PDF ] | |
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