SP5514S CONTROLLED SYNTHESISER SP5514S single-chip frequency

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SP5514S CONTROLLED SYNTHESISER SP5514S single-chip frequency

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SP5514S
CONTROLLED SYNTHESISER
SP5514S single-chip frequency synthesiser designed tuning systems. Control data entered standard format, maximum rate 500kHz. device addressable current-limited output port (P3) four addressable open-collector ports (P4-P7). SP5514S fixed address three programmable addresses, allowing more synthesisers used system. comparison frequency derived from 4MHz crystal controlled oscillator.
CHARGE PUMP CRYSTAL CRYSTAL PORT PORT PORT
DRIVE OUTPUT INPUT INPUT PORT P3/ADD SELECT PORT
SP5514S
FEATURES
Complete Single Chip System Programmable Power Consumption (215mW Typ.) Radiation Varactor Drive Disable Controllable Outputs Protection 500kHz Clock Rate
MP16
Fig. connections view
APPLICATIONS
Satellite when Combined with SP4902
Prescaler
Cable Tuning Systems VCRs
ORDERING INFORMATION
SP5514S (16-lead miniature plastic package)
Normal handling precautions should observed.
CRYSTAL
PRESCALER
PROGRAMMABLE DIVIDER
FDIV
PHASE COMP
FCOMP
DIVIDER 4512
4MHz
CHARGE PUMP DRIVE OUTPUT
DIVIDER RATIO LATCH TRANSCEIVER
CHARGE PUMP
5-BIT LATCH PORT INFORMATION ADDRESS SELECT
CONTROL DATA LATCH
LOGIC
Fig. Block diagram SP5514S
SP5514S
ELECTRICAL CHARACTERISTICS
TAMB 210°C 180°C, These Characteristics guaranteed either production test design. They apply within specified ambient temperature supply voltage ranges unless otherwise stated. Value Characteristic Supply current Prescaler input voltage Prescaler input voltage Prescaler input impedance Prescaler input capacitance SDA, Input high voltage Input voltage Input high current Input current Leakage current Output voltage clock rate Charge pump current Charge pump current high Charge pump output leakage current Charge pump drive output current Charge pump amplifier gain Recommended crystal series resistance Crystal oscillator drive level Crystal oscillator source impedance Output Ports sink current leakage current P4-P7 sink current P4-P7 leakage current Input Port input current high input current Min. 13,14 13,14 Typ. 6170 6400 2400 Parallel resonant crystal (note Nominal spread 615% VOUT VOUT VOUT VOUT Max. mVrms 50MHz 1GHz mVrms Fig. Units Conditions
Input voltage Input voltage When Sink current Byte Byte Byte
NOTE Maximum resistance quoted refers conditions, including start-up.
SP5514S
ABSOLUTE MAXIMUM RATINGS
voltages referred Parameter Supply voltage input voltage Port voltage Min. 13,14 6-10 6-10 13-14 Value Max. 1150 1150 °C/W °C/W With applied applied Port state Port state Port state Units Conditions
Total port output current input offset Charge pump offset Drive output offset Crystal oscillator offset SDA, input voltage
Storage temperature Junction temperature Thermal resistance, chip-to-ambient Thermal resistance, chip-to-case Power consumption
SP5510 programmed from BUS. data line clock line dictated format increased clock rate Tables Fig. illustrate format data write mode. device programmed respond several addresses, which allows more than synthesiser system. Table shows address selected applying voltage address Byte (R/W) must correct write operation. When SP5514S receives correct address byte pulls line during acknowledge period during following acknowledge periods after further data bytes programmed. Once correct address received acknowledged, first next byte determines whether that byte interpreted Byte logic Byte frequency information logic Byte control information. Byte must followed Byte STOP; similarly, Byte follows Byte Until stop condition recognised, additional data bytes entered without need re-address device. This allows smooth frequency sweep fine tuning purposes. transmission data stopped mid-byte (e.g., another device bus) then previously programmed byte maintained. Frequency data from Bytes stored 15-bit shift register used control division ratio 15-bit programmable divider which preceded divide-by-8 prescaler amplifier give excellent sensitivity local
FUNCTIONAL DESCRIPTION
oscillator input; input impedance shown Fig. When frequency data entered, phase comparator, charge pump varactor drive amplifier, adjusts local oscillator control voltage until output programmable divider frequency phase locked reference obtained dividing output 4MHz crystal oscillator 512. reference frequency generated external source capacitively coupled into provided on-chip 4MHz crystal controlled oscillator. Byte programming data (CP) controls current charge pump circuit, logic 6170µA logic 650µA, allowing compensation variable tuning slope tuner also enable fast channel changes over full band. Byte (T0) disables charge pump logic Byte (OS) switches charge pump drive amplifier's output when logic Byte (T1) selects test mode where phase comparator inputs available logic connects FCOMP FDIV Byte programs output ports P3-P7, logic high impedance output, logic impedance (on). When optional address used, must programmed high impedance state.
APPLICATION
typical application shown Fig. input/output interface circuits shown Fig.
SP5514S
Address Programmable divider Programmable divider Charge pump test bits port control bits
Byte Byte Byte Byte Byte
Table Write data format (MSB transmitted first)
Voltage input Always valid
Table Address selection
MA1, Acknowledge Variable address bits (see Table Charge Pump current select Test mode selection Charge pump disable Varactor drive Output disable Switch Control output port states Don't care
Fig. Data formats
130V 112V 180n 4MHz OSCILLATOR OUTPUT 2N3906 2N3906 2N3906 2N3904 VARACTOR DRIVE
CONTROL MICRO
5514S
TUNER
BAND INPUTS
112V
SECTION
SIGNAL
Fig. Typical application
SP5514S
INTO
OPERATING WINDOW
1000 FREQUENCY (MHz)
1300
1500
Fig. Typical input sensitivity
S11:ZO NORMALISED
FREQUENCY MARKER STEP 250MHz
Fig. Typical input impedance, SP5514S
SP5514S
VREF
CHARGE PUMP
INPUTS
DRIVE OUTPUT
input
Loop amplifier
PORT
ONLY
Port inputs
PORT
CRYSTAL
CRYSTAL
Reference oscillator
Ports P7-P4
Fig. SP5514S input/output interface circuits
SP5514S
NOTES
SP5514S
PACKAGE DETAILS
Dimensions shown thus: (in).
345°
SPOT REF. CHAMFER REF.
0-8°
LEADS SPACING
16-LEAD MINIATURE PLASTIC MP16
This package outline diagram guidance only. Please contact your Customer Service Centre further information.
HEADQUARTERS OPERATIONS PLESSEY SEMICONDUCTORS Cheney Manor, Swindon, Wiltshire 2QW, United Kingdom. Tel: (0793) 518000 Fax: (0793) 518411 PLESSEY SEMICONDUCTORS P.O. 660017 1500 Green Hills Road, Scotts Valley, CA95067-0017 United States America. (408) 2900 Fax: (408) 5576
CUSTOMER SERVICE CENTRES FRANCE BENELUX Ulis Cedex Tel: 602858F GERMANY Munich Tel: (089) 3609 06-0 523980 (089) 3609 06-55 ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993 JAPAN Tokyo Tel: (03) 3296-0281 Fax: (03) 3296-0228 NORTH AMERICA Integrated Circuits Microwave Products, Scotts Valley, Tel: (408) 2900 Fax: (408) 7023. Hybrid Products, Farmingdale, (516) 8686 Fax: (516) 0061. SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872 SWEDEN Stockholm Tel: 4687029770 Fax: 4686404736 EIRE, DENMARK, FINLAND NORWAY Swindon Tel: (0793) 518510 444410 (0793) 518582 These supported Agents Distributors major countries world-wide. Plessey Semiconductors 1993 Publication DS2381 Issue September 1993
This publication issued provide information only which (unless agreed Company writing) used, applied reproduced purpose form part order contract regarded representation relating products services concerned. warranty guarantee express implied made regarding capability, performance suitability product service. Company reserves right alter without prior knowledge specification, design price product service. Information concerning possible methods provided guide only does constitute guarantee that such methods will satisfactory specific piece equipment. user's responsibility fully determine performance suitability equipment using such information ensure that publication data used date been superseded. These products suitable medical products whose failure perform result significant injury death user. products materials sold services provided subject Company's conditions sale, which available request.
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SP5514S CONTROLLED SYNTHESISER SP5514S single-chip frequency

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