PA2460/PA2460-LF Power Amplifier IC Advance Information Princeton Technology Crop. reserves the right to change the product described in this datasheet. All information contained in this datasheet is subject to change without prior notice. Princeton Technology Crop. assumes no responsibility for the use of any circuits shown in this datasheet. Description The PA2460 is a high-power and high-efficiency Power Amplifier (PA) IC for handheld applications in the 130MHz to 500MHz band. The design is based on Gallium Arsenide Hetero-junction Bipolar Transistor (GaAs HBT) process. Features Single 2.7V to 6V Supply Voltage +33dBm Output Power for 3.5V to 6V 55% Efficiency 8-pin SOP(FD) package (5mm x 4mm) Applications FRS, GMRS Handsets Commercial and Consumer Systems Portable Battery-Powered Equipment Long distance Remote Control Block Diagram Page 1 Aug 2008 PA2460/PA2460-LF Power Amplifier Package and Pin Assignment: 8-Pin SOP(FD) Dimensions in mm Dimensions in inch Symbols min. nom. max. min. nom. max. A 1.45 1.50 1.55 0.057 0.059 0.061 A1 0.00 --- 0.10 0.000 — 0.004 A2 --- 1.45 --- --- 0.057 --- B 0.33 --- 0.51 0.013 --- 0.020 C 0.19 --- 0.25 0.007 --- 0.010 D 4.80 --- 5.00 0.189 --- 0.197 E 3.80 --- 4.00 0.150 --- 0.157 e — 1.27 — — 0.050 — H 5.80 --- 6.20 0.228 --- 0.244 L 0.40 — 1.27 0.016 — 0.050 y — — 0.10 — — 0.004 θ 0° — 8° 0° — 8° Page 2 Aug 2008 PA2460/PA2460-LF Power Amplifier Pin Descriptions Number Name I/O Description 1 APC1 I Analog Power Control 2 L1 I Matching Inductor 3 RF_IN I RF input 4 VCC Power 5 L2 I Matching Inductor 6 RF_OUT O RF output 7 RF_OUT O RF output 8 APC2 I Analog Power Control Power supply for PA 1 L1 2 RF_IN 3 VCC 4 HiMARK PA2460 lot no. APC1 Page 3 8 APC2 7 RF_OUT 6 RF_OUT 5 L2 Aug 2008 PA2460/PA2460-LF Power Amplifier Absolute Maximum Ratings Parameter Symbol Rating Unit Supply Voltage VCC 0 to 6 V [email protected] mA Supply current ICC 850@6V mA VAPC 0.2 to 1.45 V PIN 10 dBm Operating Temperature Range TOPR -40 to 100 °C Storage Temperature Range TSTG –55 to 125 °C Soldering Temperature Range TSLD 255 °C Soldering Time Range tSLD 10 s Power Control Voltage Range Input Power Page 4 Aug 2008 PA2460/PA2460-LF Power Amplifier Electrical Characteristics (VCC = 3.5V, VSS = 0V, TA = 25°C, RL=50 Ohm, unless otherwise noted.) Value Parameter Symbol Condition Unit min. typ. max. VCC Supply Voltage VCC 2.7 4.8 V Frequency Range fRF 130 500 MHz Input Power PIN POUT=33dBm 5 9 dBm PIN=5dBm 33 34 dBm Output Power POUT PIN=5dBm,Vcc=2.7V, 30 VAPC=1.4V Efficiency Current Consumption ICC Control Voltage Range VAPC Full Power Control Voltage Control Current into VAPC Isolation Noise Floor 2nd to 13th Harmonic Distortion Input VSWR Rise Time and Fall Time IAPC dBm PIN=5dBm,POUT=33dBm 57 63 70 % POUT=33dBm 820 900 1000 mA 1.45 V 0.2 POUT=33dBm 1.35 1.4 1.45 V POUT=33dBm 15 20 25 mA PIN=5dBm, APC=0.2V -40 -30 -25 dB -84 dBm dBc PIN=5dBm, BW=100kHz, fo+20MHz offset POUT=33dBm -30 -25 All power level 1.5:1 2:1 POUT=33dBm Page 5 2 µsec Aug 2008 PA2460/PA2460-LF Power Amplifier Electrical Characteristics (VCC = 6V, VSS = 0V, TA = 25°C, RL=50 Ohm, unless otherwise noted.) Value Parameter Symbol Condition Unit min. VCC Supply Voltage VCC Frequency Range fRF Input Power PIN POUT Output Power Efficiency Current Consumption ICC Control Voltage Range VAPC Full Power Control Voltage IAPC Control Current into VAPC Isolation Noise Floor typ. 6 Input VSWR 500 MHz POUT=33dBm 5 9 dBm PIN=5dBm 33 34 dBm PIN=5dBm,POUT=33dBm 40 45 50 % POUT=33dBm 650 750 850 mA 1.45 V 0.2 POUT=33dBm 1.25 1.3 1.4 V POUT=33dBm 8 12 16 mA PIN=5dBm, APC=0.2V -40 -30 -25 dB -84 dBm dBc POUT=33dBm -30 -25 All power level 1.5:1 2:1 POUT=33dBm Rise Time and Fall Time V 130 PIN=5dBm, BW=100kHz, fo+20MHz offset 2nd to 13th Harmonic Distortion max. 2 µsec Input/Output impedance (for reference only) Frequency Bias Input impedance Output impedance 410MHz 6V 26.35-j187.1 8.45-j1.55 410MHz 3.5V 15.35-j186.7 5.95-j2.70 465MHz 6V 27.35-j159.3 12.55-j3.45 465MHz 3.5V 27.35-j159.3 7.3-2.2j 1. Output impedance: look into PA2460 2. Input impedance: look into PA2460 Page 6 Aug 2008 PA2460/PA2460-LF Power Amplifier Evaluation Board Circuit 1 2 3 4 6 5 Vapc C3 D D R2 C2 R1 C1 L2 L1 C C PA2460 1 RF-IN C7 C6 2 3 4 C8 APC2 L1 RF_OUT RF_IN RF_OUT VCC L2 L:616mil W:12mil 8 Zo=50 ohm 7 RF_OUT 6 C13 ML1 5 C10 L3 L5 APC1 L4 C11 ML2 C12 L6 C9 B B C4 C5 Vcc Vcc A A Title Size PA2460 Number Revision B Date: File: 1 2 3 4 23-Sep-2005 Sheet of D:\my documents\client data file\pa2460_eddie\pa2460_eddie.Ddb Drawn By: 5 6 BOM VCC 3.3V Freq. 433.92M 300M 315M 433.92M 3.5V 460M 465M 380M 3.6V 315M 390M 400M Vapc 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.3V 1.3V 1.3V C1,C2 1nF 1nF 5V 1nF 6V 433.92M 433.92M 1.3V 465M 1.3V 1.3V 1nF 1nF C3,C4,C5 1uF 1uF 1uF 1uF 1uF C6 100pF 100pF 100pF 100pF 100pF L5 18nH 27nH 18nH 18nH 18nH 15nH 18nH 27nH 18nH 18nH 18nH 15nH 15nH C7 5.6pF 10pF 15pF 5.6pF 4.7pF 5.6pF 5.6pF 8.2pF 8pF 7pF 6pF 8pF 5.6pF C8 18pF 22pF 33pF 18pF 15pF 18pF 18pF 27pF 27pF 27pF 18pF 18pF 18pF C9 NC NC NC NC NC NC NC NC 7pF 7pF 4pF 6pF 4pF C10 39pF 10pF 10pF 10pF 10pF 10pF 10pF 7pF 100pF 100pF 100pF 100pF 100pF L6 6.8nH 8.2nH 8.2nH 5.6nH 5.6nH 5.6nH 5.6nH 12nH 5.6nH 5.6nH 4.7nH 3.3nH 2.2nH C11 5pF 10pF 9pF 5pF 5pF 4pF 5pF 10pF 15pF 15pF 15pF 12pF 11pF C12 9pF 22pF 22pF 10pF 8pF 8pF 10pF 22pF 14pF 12pF 10pF 11pF 9pF C13 5pF 27pF 27pF 6pF 6pF 5pF 6pF 100pF 27pF 27pF 100pF 100pF 100pF L1,L2 100nH 100nH 100nH 100nH 100nH *L3,L4 25nH 25nH 25nH 25nH 25nH R1 0 ohm 0 ohm 0 ohm 0 ohm 0 ohm R2 0 ohm 0 ohm 0 ohm 0 ohm 0 ohm * air coil inductor Page 7 Aug 2008 PA2460/PA2460-LF Power Amplifier Evaluation Board Layout Critical layout guidelines: 1.C11 should be very close to pin6/pin7 (RF_OUT) of PA2460. (about 36mils away from pin7) 2.The dimension of microstrip line ML1 between C11 and C12 is 12mils * 616mils. 3.Zo of microstrip line ML2/ML3 is 50 ohm. Page 8 Aug 2008 PA2460/PA2460-LF Power Amplifier Typical Characteristics 410MHz,Vcc=3.5V,Pin=5dBm,Vapc=1.4V PA2460 SOP(FD)8L PA2460 SOP(FD)8L 36.50 63.0 33.66 36.00 62.5 33.65 35.50 62.0 33.64 61.5 33.63 61.0 33.62 60.5 33.50 60.0 33.00 32.50 Pout(dBm) 32.00 Eff(%) 31.50 31.00 2.50 3.00 3.50 4.00 4.50 64.0 63.0 33.61 62.0 33.60 59.5 33.59 59.0 33.58 58.5 33.57 58.0 33.56 404.00 5.00 61.0 Pout(dBm) Eff(%) 406.00 408.00 Vcc(V) 410.00 412.00 414.00 60.0 59.0 416.00 Freq.(MHz) Fig 1.1 Power Output vs. Vcc Fig 1.2 Power Output vs. Frequency PA2460 SOP(FD)8L PA2460 SOP(FD)8L 35.00 65.0 40.00 60.0 30.00 70.00 34.00 60.00 Pout(dBm) 33.00 Eff(%) 55.0 31.00 45.0 29.00 10.00 30.00 0.00 EFF.(%) 30.00 40.00 EFF.(%) 50.0 50.00 20.00 Pout(dBm) 32.00 Pout(dBm) EFF.(%) 34.00 EFF.(%) Pout(dBm) 34.50 65.0 Pout(dBm) 35.00 66.0 20.00 28.00 Pout(dBm) 40.0 -10.00 Eff(%) 27.00 0.00 0.50 1.00 1.50 2.00 10.00 35.0 26.00 -20.00 25.00 -15.00 0.00 30.0 -10.00 -5.00 0.00 5.00 10.00 15.00 -30.00 Pin(dBm) Fig 1.3 Power Output vs. Power Input -10.00 Vapc(V) Fig 1.4 Power Output vs. Control Voltage Page 9 Aug 2008 PA2460/PA2460-LF Power Amplifier Typical Characteristics 465MHz,Vcc=3.5V,Pin=5dBm,Vapc=1.4V PA2460 SOP(FD)8L PA2460 SOP(FD)8L 37.00 36.00 70.0 33.80 68.0 33.70 66.0 33.60 64.0 33.50 69.4 69.2 69.0 68.8 Pout(dBm) 62.0 68.6 Pout(dBm) Eff(%) 68.4 33.40 33.00 68.2 60.0 33.30 58.0 33.20 56.0 33.10 67.6 458.00 460.00 462.00 464.00 466.00 468.00 470.00 472.00 68.0 Pout(dBm) 32.00 Eff(%) 31.00 2.50 3.00 3.50 4.00 4.50 5.00 67.8 Vcc(V) Freq.(MHz) Fig 2.1 Power Output vs. Vcc Fig 2.2 Power Output vs. Frequency PA2460 SOP(FD)8L PA2460 SOP(FD)8L 34.00 33.50 72.0 40.00 70.0 30.00 80.00 70.00 Pout(dBm) Eff(%) 68.0 60.00 20.00 33.00 50.00 64.0 10.00 40.00 0.00 30.00 EFF.(%) 32.50 Pout(dBm) 66.0 EFF.(%) Pout(dBm) EFF.(%) 34.00 EFF.(%) Pout(dBm) 35.00 32.00 Pout(dBm) 20.00 62.0 -10.00 Eff(%) 31.50 0.00 0.50 1.00 60.0 -20.00 31.00 -15.00 1.50 2.00 10.00 0.00 58.0 -10.00 -5.00 0.00 5.00 10.00 15.00 -30.00 Pin(dBm) Fig 2.3 Power Output vs. Power Input -10.00 Vapc(V) Fig 2.4 Power Output vs. Control Voltage Page 10 Aug 2008 PA2460/PA2460-LF Power Amplifier Typical Characteristics 410MHz,Vcc=6V,Pin=5dBm,Vapc=1.3V PA2460 SOP(FD)8L PA2460 SOP(FD)8L 34.00 59.00 33.50 57.00 34.00 50.00 33.80 49.50 33.60 49.00 33.40 48.50 33.20 48.00 33.00 47.50 32.80 47.00 32.60 46.50 33.00 Pout(dBm) 51.00 31.50 49.00 31.00 30.50 47.00 Pout(dBm) Eff(%) 30.00 3.50 4.00 4.50 5.00 6.00 Pout(dBm) 46.00 32.20 Eff(%) 45.50 32.00 45.00 5.50 32.40 45.00 404.00 6.50 406.00 408.00 410.00 412.00 414.00 416.00 Freq.(MHz) Vcc(V) Fig 3.1 Power Output vs. Vcc Fig 3.2 Power Output vs. Frequency PA2460 SOP(FD)8L PA2460 SOP(FD)8L 60.00 40.00 40.00 60.00 35.00 35.00 50.00 Pout(dBm) 30.00 50.00 Eff(%) 30.00 Pout(dBm) Pout(dBm) 15.00 20.00 20.00 10.00 10.00 0.00 10.00 0.00 5.00 -5.00 0.00 -15.00 30.00 15.00 5.00 Pout(dBm) Eff(%) 20.00 EFF.(%) EFF.(%) 30.00 20.00 40.00 25.00 40.00 25.00 10.00 EFF.(%) EFF.(%) 53.00 32.00 Pout(dBm) 55.00 32.50 -10.00 0.00 -10.00 -5.00 0.00 5.00 10.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Vapc(V) Pin(dBm) Fig 3.3 Power Output vs. Power Input -10.00 0.00 15.00 Fig 3.4 Power Output vs. Control Voltage Page 11 Aug 2008 PA2460/PA2460-LF Power Amplifier Typical Characteristics 465MHz,Vcc=6V,Pin=5dBm,Vapc=1.3V PA2460 SOP(FD)8L PA2460 SOP(FD)8L 34.00 33.50 70.00 33.45 60.00 33.40 50.00 33.35 48.00 47.80 47.60 47.40 Pout(dBm) 30.00 47.20 33.30 47.00 33.25 46.80 32.00 20.00 33.20 10.00 33.15 46.60 Pout(dBm) 31.50 46.40 Eff(%) Pout(dBm) 46.20 Eff(%) 31.00 0.00 3.50 4.00 4.50 5.00 5.50 6.00 33.10 6.50 46.00 458.00 460.00 462.00 464.00 466.00 468.00 470.00 472.00 Vcc(V) Freq.(MHz) Fig 4.1 Power Output vs. Vcc Fig 4.2 Power Output vs. Frequency PA2460 SOP(FD)8L PA2460 SOP(FD)8L 60.00 36.00 40.00 60.00 35.00 34.00 Pout(dBm) 50.00 30.00 Pout(dBm) Pout(dBm) 20.00 20.00 30.00 15.00 20.00 10.00 5.00 10.00 24.00 Pout(dBm) 22.00 0.00 10.00 0.00 -5.00 Eff(%) 20.00 0.00 -10.00 -5.00 0.00 5.00 10.00 EFF.(%) 26.00 EFF.(%) 30.00 40.00 25.00 40.00 30.00 28.00 50.00 Eff(%) 32.00 -15.00 EFF.(%) 40.00 32.50 EFF.(%) Pout(dBm) 33.00 -10.00 15.00 Pin(dBm) Fig 4.3 Power Output vs. Power Input -10.00 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Vapc(V) Fig 4.4 Power Output vs. Control Voltage Page 12 Aug 2008 PA2460/PA2460-LF Power Amplifier Application Circuit 1 D 2 3 4 6 5 D Regulator Vcc Vapc U1 1 2 IN OUT ADJ 3 LM1117 R1 C15 R2 C3 C2 C1 L2 L1 C ANTENNA C PA2460 1 RF-IN C7 C6 2 3 4 C8 L3 L5 APC1 APC2 L1 RF_OUT RF_IN RF_OUT VCC L2 L:616mil W:12mil 8 7 RX 6 C13 5 C10 L4 C11 D1 D2 C14 C12 R3 L7 R4 L6 C9 B B C4 Vcc R5 CTL_TX C5 Vcc CTL_RX CTL_TX=HIGH,CTL_RX=LOW,select TX CTL_TX=LOW,CTL_RX=HIGH,select RX A A Title Size PA2460 Number Revision B Date: File: 1 2 3 4 5 23-Sep-2005 Sheet of D:\my documents\client data file\pa2460_eddie\pa2460_eddie.Ddb Drawn By: 6 Fig 5 1.L7 > 120nH for RF choking. 2.Use R3 and R4 to adjust diode bias currents for low loss (~0.5dB loss at 1.1mA). And R3 and R4 must be large enough to provide an open to RF. 3.When CTL_TX is high and CTL_RX is low (select TX), then D1 is on and R5 provides a reverse bias voltage to turn off D2,and thus provides RX/TX isolation. 4.Since Pout is sensitive to Vapc, it is recommended to use a regulator to provide the Vapc voltage. Page 13 Aug 2008 PA2460/PA2460-LF Power Amplifier Application Circuit 1 D 2 3 4 6 5 D Regulator Vcc Vapc U1 1 2 IN OUT ADJ 3 LM1117 R1 C15 R2 C3 C2 C1 L2 L1 C ANTENNA C PA2460 1 RF-IN C7 C6 2 3 4 C8 L3 L5 APC1 APC2 L1 RF_OUT RF_IN RF_OUT VCC L2 C14 L:616mil W:12mil 8 D1 7 L7 RX 6 C13 5 C10 L4 C11 D2 C12 C15 L6 C16 R3 C9 B B C4 CTL C5 Vcc Vcc A A Title Size PA2460 Number Revision B Date: File: 1 2 3 4 23-Sep-2005 Sheet of D:\my documents\client data file\pa2460_eddie\pa2460_eddie.Ddb Drawn By: 5 6 Fig 6 1.L7,C15 and C16 form an equivalent circuit of 1/4 wave length. 2.Use R3 to adjust diode bias current for low loss (~0.5dB loss at 1.1mA). And R3 must be large enough to provide an open to RF. 3.When CTL goes high (select TX), D1 and D2 are forward biased. L7/C15/ C16 combined with D2 make an open circuit to TX. When CTL goes low (select RX),D1 and D2 are off, and D1 provides an open to RX. 4.Since Pout is sensitive to Vapc, it is recommended to use a regulator to provide the Vapc voltage. Page 14 Aug 2008 PA2460/PA2460-LF Power Amplifier Application Circuit 1 2 D 3 4 6 5 D Regulator Vcc Vapc U1 1 2 IN OUT ADJ 3 LM1117 R1 C15 R2 C3 C2 C1 L2 L1 C C PA2460 1 RF-IN C7 C6 2 3 4 C8 L3 L5 APC1 APC2 L1 RF_OUT RF_IN RF_OUT VCC L2 L:616mil W:12mil 8 CTL_TX 7 TX 6 C10 L4 C11 CTL_TX GND C13 5 RX C12 RF CTL_RX Switch L6 ANTENNA CTL_RX RX C9 CTL_TX=HIGH,CTL_RX=LOW,select TX B C4 C5 Vcc B CTL_TX=LOW,CTL_RX=HIGH,select RX Vcc A A Title Size PA2460 Number Revision B Date: File: 1 2 3 4 5 22-Sep-2005 Sheet of D:\my documents\client data file\pa2460_eddie\pa2460_eddie.Ddb Drawn By: 6 Fig 7 1.Since Pout is sensitive to Vapc, it is recommended to use a regulator to provide the Vapc voltage. 2.The loss of switch is around 0.5dB. Page 15 Aug 2008