MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 1.DESCRIPTION The M64884FP is a 2-sy stem 1-chip PLL f requency s y nthesizer IC designed of Analog cordless telephone f or North America (ISM band) that can directly enter signal up to 500MHz in the TX and up to 1GHz in the RX. Adoption of high perf ormance Bi-CMOS process enables low TXGND1 power consumption ty pe 2-modulus prescaler to be built in TXOUT the IC to directly s ignal enter up to 500MHz in the TX and up TXVCC to 1GHz in the RX.This IC also contains VCO oscillation-Tr in TXB the TX and RX,2-multiple circuit f or transmission output and TXE double balance ty pe mixer f or the 1st intermediate f requency TXGND2 (1st IF). PD1 VCC XIN XOUT XBO GND 2.FEATURES • Low power current Icc=24mA. (@Vcc=3.0V,at TX/RX VCO and 2-multiple circuit output current=2mA setting) • Built-in 2-modulus prescaler. • input f requency --- TX:350~500MHz,RX:700~1000MHz. • input sensitiv ity --- -15 ~ -5dBm. • Built-in buf f er-Tr f or oscillation circuit in the TX and RX. • Built-in 2-multiple circuit f or transmission output. • Built-in double balance ty pe mixer f or the 1st IF. • Rated current output ty pe charge pump. Output current can 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 MIXIN MIXGND RXVCC RXB RXE RXGND PD2 RST SI CPS LOCK MIXOUT Outline 24SSOP (0.65 milli-pitch) APPLICATION 900MHz analog cordless telephone (ISM band) be set with serial data. (100,300,500,700µA) • Built-in B-E Colpitts ty pe oscillation circuit f or standard oscillation. • Software is compatible with M64084AGP. 3.BLOCK DIAGRAM TX.VCO Circuit GND VCC 8 TXVCC TXGND2 TXGND1 6 3 12 TXB 1 TXE 4 5 VCO(TX) 1/16,17 Prescaler 17 XIN 9 10 TXOUT x2 SW Phase 7 Latch PD1 Detector To TX.VCO LPF 1/2 Programmable Divider OSC+1/2 Divider SW Lock detector 2 13 XOUT 2 Programmable Divider SW standard oscillation circuit TX 2-multiple output (To TXAMP) SW 14 To micro computer LOCK 4 Latch 2 11 XBO 1/32,33 Prescaler Phase Programmable Divider 18 Detector PD2 To RX.VCO LPF 17 To 2nd.MIX LOCAL SW SW Latch 2 SI 2 DATA CPS 15 Input RST SW Shift Resister 16 13 MIX VCO(RX) Pulse Counter 17 22 RXVCC 19 RXGND 23 20 21 MIXGND RXB RXE RX.VCO Circuit Ver 1.0 Nov 25,1998 Tank Load SW Latch Select MITSUBISHI ELECTRIC 1st.IF Output MIXOUT 24 MIXIN LNA Circuit 1 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 4. PIN Description Pin No. Sy m bol Pin Name 1 TXGND1 Transmission system ground 1 2 TXOUT Transmission output 3 TXVCC Transmission system power supply 4 TXB Transmission circuit base 5 TXE Transmission circuit emitter 6 TXGND2 Transmission system ground 2 7 PD1 Transmission system Charge Pump output 8 VCC Power supply 9 XIN Crystal oscillator input Functions 1st ground for transmission system. 0V. Output frequency that multiples the oscillation frequency of the transmission system by 2, and outputs an open emitter. Power supply pin for transmission VCO circuit. TXVCC = 2.7~3.6V. Base pin of the transmission VCO transistor. Emitter pin of the transmission VCO transistor. Set the current of the transmission oscillation circuit by pull-down resistance. 2nd ground for transmission system. 0V. Output the set current according to the difference in phase between Charge Pump output pins in the PLL1(TX) system. HiZ with the power supply turned off. Power supply pin for the PLL system. VCC = 2.7~3.6V. Inputs 4 to 25MHz output from the base oscillator to the XIN . External crystal oscillator is available for oscillation. 10 XOUT 11 XBO Buffer output Buffer output pin of base oscillation. 12 GND Ground Ground pin for the PLL system. 0V. 13 MIXOUT Mixer Output 14 LOCK Lock detection output 15 CPS Clock pulse input 16 SI Data input 17 RST Reset pulse input 18 PD2 Reception system Charge Pump Output 19 RXGND Reception system ground Ground for reception system. 0V. 20 RXE Reception circuit emitter Emitter pin of the reception VCO transistor. Set the current of the reception oscillation circuit by pull-down resistance. 21 RXB Reception circuit base 22 RXVCC Reception system power supply 23 MIXGND Mixer system ground 24 MIXIN Mixer input Ver 1.0 Nov 25,1998 Extracts IF frequencies. Judgment is made in a system turned on when the other system is turned off. Operates at the rising edge of the clock pulse of the shift resistor. Inputs serial data. Inputs the reset pulse of 21 pulse counters. Output the set current according to the difference in phase between Charge Pump output pins in the PLL2(RX) system. HiZ with the power supply turned off. Base pin of the reception VCO transistor. Power supply pin for reception VCO circuit. TXVCC = 2.7~3.6V. Ground for mixer system. 0V. Mixer signal input pin. MITSUBISHI ELECTRIC 2 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 5. Functional Description (1) Data Entry LSB MSB RST SI D20 D21 D19 D18 D2 D1 INV- INVALID ALID CPS Note 1) At the positive edge of CPS input, SI input status is read into the shift resistor in sequence. Note 2) All data is set at the positive edge of the 21st pulse. After that, CPS is invalid. Note 3) While RST is set to "H", neither CPS nor SI is received. (2) Input Signal Timing tCR tRC RST tRH SI Effective data tSU th CPS tWL tWH tSU = th = tWH = tWL > 0.5 µs tCR = tRH = tRC > 1 µs (3) Input Voltage VIH = 0.7*VCC ~ 3.6 (V) VIL = -0.2 ~ 0.3*VCC (V) (4) Shift Resister Bit Conf iguration LSB MSB Shift register 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Power ON/OFF DD DC Latch selection DB DA 0 12 DE DF DG DH Charge Pump 2 Current Set 2 2 Charge Pump 1 Current Set Division ratio for reference (13 bits) 0 16 2 2 Division ratio for local oscillator 1(17 bits) 16 0 2 2 Division ratio for local oscillator 2(17 bits) Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 3 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer Note 4) DD and DC are used to turn on/of f the power supply t o the PLL system. Data Description DD DC L L Both two PLLs are on. L H Only PLL of local oscillator 1 is on. H L Only PLL of local oscillator 2 is on. H H Both two PLLs are of f . Note 5) DB and DA are used to select data latch to be updated. Data Description DB DA L L Testing mode only . Inhibited f rom use. L H Updates data of local oscillator 1. H L Updates data of local oscillator 2. H H Updates data f or comparison f requency . Note 6) DE/DF and DG/DH are used to set the current of charge pump. DE DG DF DH Output current v alue of charge pump L L 100µA L H 300µA H L 500µA H H 700µA Note 7) Current supplied to the charge pump f or local oscillators 1 and 2 can be set independently in sy s t ems. Howev er,when power supply is turned of f , the charge pump output is placed in "HiZ" status regardless of set v alue. Note 8) The div ision ratio of the programmable div ider f or comparison f requency is giv en in 13-bit binary code. For transmission local oscillator N(Fref ) = 4 * P Howev er, P = 20 to 8191 For reception local oscillator N(Fref ) = 2 * P Howev er, P = 20 to 8191 Note 9) The div ision ratio of programmable div ider f or local oscillators 1 and 2 are giv en in 17-bit binary code. For transmission local oscillator N(Fv c oTX) = 256 to 131071 For reception local oscillator N(Fv c oRX) = 1024 to 131071 Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 4 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 6. X'tal OSCILLATION CIRCUIT Connection of oscillation block. Built-in buf f er transistor f or oscillation enables direct oscillation at X'tal. Connections of X'tal and TCXO are shown below.(recommended circuit) When X'tal is in use When TCXO is in use X'tal XIN XIN TCXO 1000p XOUT XOUT OPEN C : CH ty pe 7. Connection of Buffer Block As the 2nd mixer local oscillator, the buf f er output pin(XBO) is set to share X'tal. The pin is av ailable as f ollows. When the pin is not shared When the pin is shared 1000p XBO 2nd MIX XBO 1000p 8. Negative Resister Evaluation Circuit Negativ e resistor in the oscillation circuit are measured with the conditions and coef f icients shown in drawing below. R X'tal XIN C3 C1 XOUT C2 C4 Cv X'tal : C1 : C2 : C3 : C4 : Cv : VCC : Ta : 21.25MHz(TEW CORP CI = 20ohm) 18 pF 36 pF 100 pF 36 pF ~30 pF 3V o 25 C C : CH ty pe Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 5 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 9. Lock Detection, PD Output Comparison Frequency Local Oscillator div ision output Source PD output Sink 1 2 3 14 15 LOCK output Note 10) The PD output is placed in the "Source" status when the phase of local oscillator div ision output is behind the phase comparison f requency. It is placed in the "Sink" status when the phase of local oscillator div ision output adv ances. 11) " " means high impedance status. 12) When the phase dif f erence that is 8 times or less* of the OSC f requency c ontinues 15 or more cy c les of comparison f requency (Fref ), LOCK output is placed in the "L" status. (*625ns when a 12.8MHz oscillator is used) 13) When the power supply of each sy stem is turned of f , the LOCK output status goes to "H". 14) The LOCK output circuit is an open drain output of t he N channel MOS transistor. Use this circuit with pull-up. Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 6 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 10. INPUT OUTPUT EQUIVALENT CIRCUIT TXVCO(TXB, TXE, TXOUT) TXB TXE RXVCO(RXB, RXE) 2K TXOUT OSC(XIN, XOUT, XBO) 2K RXB RXE MIX(MIXIN, MIXOUT) Lo Lo MIXOUT 4K 1K XIN 1K XOUT XBO 6K Charge Pump output(PD1, PD2) MIXIN Data input(SI, CPS, RST) LOCK Detection output (LOCK) SI CPS RST PD1 PD2 LOCK Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 7 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 11. ABSOLUTE MAXIMUM RATINGS (Ta=-30o C to +85o C, unless otherwise noted) Ratings Sy m bol Parameter Test Condition Unit Min. Max. Vcc Supply Voltage GND=0V -0.3 4.5 V Vo Output Voltage LOCK, MIXOUT 0 4.5 V Io Output Current TXE, RXE, TXOUT 0 6.0 mA Vi Input Voltage SI, CPS, RST -0.3 4.5 V Ii Input Current LOCK, GND=0V 0 1.0 mA 232 mW Power Consumption Pd o o Ta=85 C, Tj=125 C Junction Temperature Tj Topr Tstg -30 Operating Ambient Voltage -40 Storage Ambient Voltage 125 o C 85 o C 125 o C Remarks Package Allowable Power Total Power Dissipation Delating Curve 1000 581 500 232 0 0 25 50 75 85 100 125 150 o Temperature Ta ( C) Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 8 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 12. RECOMMENDED OPERATING CONDITIONS (Vcc=2.7 to 3.6V, Ta=-30 o C to +85o C, unless otherwise noted) Sy m bol Parameter Test Condition Recommended Values Min. Ty p. Max. Unit Pin Vcc Supply Voltage GND=0V 2.7 3.0 3.6 V VCC TXVCC RXVCC PLoTX Transmission Local Oscillation Amplitude FLoTX= 350~500MHz -15 -10 -5 dBm TXE PLoRX Reception Local Oscillation Amplitude FLoRX= 700~1000MHz -15 -10 -5 dBm RXE FLoTX Transmission Local Oscillation Frequency PLoTX= -15 ~ -5dBm 350 500 MHz TXE FLoRX Reception Local Oscillation Frequency PLoRX= -15 ~ -5dBm 700 1000 MHz RXE VXIN XIN Input Amplitude Fosc=4~25MHz 0.4 1.0 Vpp XIN VXOUT XOUT Input Amplitude Fosc=4~25MHz 0.4 1.0 Vpp XOUT Fosc Ref erence Oscillation Frequency VXIN= 0.4~1.0Vpp 4 25 MHz XIN PRFin MIXIN Input Amplitude Input Frequency = 700~1000MHz 0 dBm MIXIN IOL "L" Output Current 1 mA LOCK Electric Potential between VCC and TXVCC 0 0.2 V VCC, TXVCC Electric Potential between VCC and RXVCC 0 0.2 V VCC, RXVCC 13-1. ELECTRICAL CHARACTERISTICS 1 (Ta= -30 o C to +85o C, unless otherwise noted) Sy m bol Block Parameter Standby Current IccOff Supply current IccOn Ver 1.0 Nov 25,1998 Operating Current Limits Application pin Test Condition VCC TXVCC RXVCC Vcc=3.0V, Ta=25 oC, when 2 PLLs are turned of f VCC TXVCC RXVCC Vcc=3.0V, Ta=25 oC, when 2 PLLs are turned on, MIXOUT tank load, TXE R load = 390ohm, RXE R load = 390ohm, TXOUT R load = 900ohm Unit Min. MITSUBISHI ELECTRIC Ty p. Max. 50 24 µA mA 9 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 13-2. ELECTRICAL CHARACTERISTICS (Ta= -30o C to +85o C, unless otherwise noted) Sy m bol Block Parameter Limits Application pin Test Condition Unit Min. Ty p. Max. VIH "H" input v oltage SI, RST, CPS Vcc=2.7~3.6V -0.3 3.6 V VIL "L" input v oltage SI, RST, CPS Vcc=2.7~3.6V -0.2 0.3 V IIH "H" input current SI, RST, CPS Vcc=3.6V, VIH=3.6V 2 µA IIL "L" input current SI, RST, CPS Vcc=3.6V, VIL=0V VOL "L" output v oltage LOCK Vcc=3.0V, Io=1.0mA ICPO ICPLK CP output leak current PD1, PD2 Data (1) µA 0.2 Vcc=3.0V, Ta=25oC, VPD=1.5V PLL CP output current (Source & Sink current) -2 (1) 70 100 130 (2) 210 300 390 (3) 350 500 650 (4) 490 700 910 V DF DE DG µA DH L L (2) L H (3) H L (4) H H PD1, PD2 Vcc=3.6V,VPD=1.8V, Vo=HiZ(OFF) LOCK Vcc=3.6V, VOH=3.6V -100 100 nA 5 µA ILDLK LOCK output leak current IBIAS1 OSC bias current XIN Vcc=3.0V, Ta=25 oC, VIH=3.0V 35 50 65 µA IBIAS2 OSC bias current XOUT Vcc=3.0V, Ta=25 oC, VIH=3.0V 175 250 325 µA IBIAS3 OSC bias current XBO Vcc=3.0V, Ta=25 oC, VIH=3.0V 175 250 325 µA VBIAS1 OSC bias v oltage XIN Vcc=3.0V, IIF=0µA 2.8 V OSC bias v oltage XOUT Vcc=3.0V, IIF=0µA 2.0 V OSC bias v oltage XBO Vcc=3.0V, IIF=0µA 2.0 V VBIAS2 VBIAS3 OSC o VSW Buf f er output amplitude NR Negativ e Resister Ver 1.0 Nov 25,1998 XBO Vcc=3.0V, Ta=25 C, FOSC=4~25MHz, VXIN=0.4~1.0Vpp, at XBO non load 0.2 XIN Vcc=3.0V, Ta=25 oC (Shown in Page 5) 100 MITSUBISHI ELECTRIC 1.0 Vpp ohm 10 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 13-3. ELECTRICAL CHARACTERISTICS (Ta= -30o C to +85o C, unless otherwise noted) Sy m bol Block VBBT Parameter Base bias v oltage VBBR Limits Application pin Test Condition TXB Vcc=3.0V, IIF=0µA 1.6 V RXB Vcc=3.0V, IIF=0µA 1.6 V 2.3 mA 2.3 mA -10 dBm -10 dBm -25 dBm Unit Min. Ty p. Max. o IEBT Emitter bias current IEBR TXE Vcc=3.0V, Ta=25 C, R load = 390ohm RXE Vcc=3.0V, Ta=25 C, R load = 390ohm TXE Vcc=3.0V, Ta=25 C, R load = 390ohm, FLoTX=450MHz RXE Vcc=3.0V, Ta=25 C, R load = 390ohm, FLoRX=960MHz TXE Vcc=3.0V, Ta=25 C, R load = 390ohm, FLoTX=450MHz RXE Vcc=3.0V, Ta=25 C, R load = 390ohm, FLoRX=960MHz -25 dBm o o Pv c oT TX/RX VCO Oscillation Amplitude Pv c oR o o HSTX Harmonics Amplitude (2nd) HSRX o IBMIX Bias current MIXIN Vcc=3.0V, VIL=0V -300 µA VBMIX Bias v oltage MIXIN Vcc=3.0V, IIL=0µA 1.6 V 10 dB -10 dBm 13 dB (SSB) 2.1 mA -15 dBm o CG Conv ersion gain MIXIN MIXOUT RXE Vcc=3.0V, Ta=25 C, FLoRX=960MHz, PLoRX=-10dBm, FRFin=981.4MHz PRFin=-30dBm, MIXOUT tank load MIXIN MIXOUT RXE Vcc=3.0V, Ta=25 C, FLoRX=960MHz, PLoRX=-10dBm, FRFin=981.4MHz PRFin=-30dBm, MIXOUT tank load o MIX IIP3 Intercept point o NF Noise Figure MIXIN MIXOUT RXE Vcc=3.0V, Ta=25 C, FLoRX=960MHz, PLoRX=-10dBm, FRFin=981.4MHz PRFin=-30dBm, MIXOUT tank load IEbias Emitter bias current TXOUT Vcc=3.0V, Ta=25 C, R load = 900ohm TXOUT Vcc=3.0V, Ta=25 C, R load = 900ohm, PLoTX=-10dBm, FLoTX=960MHz 2-multiple PRFout Ver 1.0 Nov 25,1998 o o 2-multiple Transmission Output Power MITSUBISHI ELECTRIC 11 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 14. Application Circuit Connection Diagram 50ohm-matching 10p 1 TXGND1 MIXIN 913.7MHz 15n ~ 24 3p VCC(3V) 10 TOKO KV1471E(A) 4p 1K 2mA 2 TXOUT MIXGND 23 3 TXVCC RXVCC 22 RXB 21 0.01u 4 4p TXB 10 TOKO KV1471E(A) 0.01u 3p 4p 1.5k 3.3n VCC(3V) 10p 5 6p RXE TXE 1.5k 20 6 3.3n 15k TXGND2 RXGND 15k 19 2.5mA 3mA 0.1u 7 PD2 PD1 15k 5.6n 0.22u 18 33k VCC(3V) 10 36p 5.6n 4p 15k 33k 2p 1T 8 KSS 21.25MHz 0.01u 9 VCC XIN RST 17 SI 16 CPS 15 VCC(3V) ~20p 68p 10 XOUT 0.01u 18p 11 XBO 12 GND LOCK 5.1k LED 14 1000p 3.3u MIXOUT 47u VCC(3V) VCC(3V) 10 13 15p 680 TxVCO:463MHz(7.9MHz/V) RxVCO:892MHz(10.3MHz/V) TxOUT:926MHz 0.01u 0.01u 680 IFOUT (21.7MHz) Cautions for Handling Application Board • For the achiev ement of high perf ormances in the MIX system, the 50ohm-matching is necessary in the MIXIN port. • Please place external elements connected to the RF line, near the pins. (Especially , resisters of TXOUT, TXE, and RXE) • The VCC/TXVCC/RXVCC decoupling capacitances are important f or the achiev ement of high perf ormances. Please place these elements near the pins. • In this diagram, coef f icients of the X'tal oscillation circuit are merely examples. Please ask X'tal unit v endor about the best v alues of customer's specif ication. Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 12 MITSUBISHI ICs (Cordless Telephone) M64884FP Transistor for VCO,1st IF MIX,2-multiple circuit built-in 500MHz/1GHz Dual PLL Synthesizer 15. Symbol on Package Lot No. is marked by 4 characters. XXXX M64884 XXXX Running No. Week code Year code Lot No. Cautions for Handling • For the achiev ement of high perf ormances, f ine structure elements are used in this IC. To prev ent surge v oltage f rom being applied to the IC due to static electricity, take great care f or handling. • For sy s t em not to be used, set PLL to of f by transf erring data. Ver 1.0 Nov 25,1998 MITSUBISHI ELECTRIC 13