Features. = +25 C, Vs = +5V, Vpd = +5V, Vbias=+5V

Transcription

1 v HMC49LP4E Typical Applications This amplifier is ideal for use as a power amplifier for GHz applications: WiMAX Fixed Wireless Access Wireless Local Loop Functional Diagram Features Gain: 31 db 4% dbm pout 2% Pout = +22 dbm with 54Mbps OFDM Signal +46 dbm Output IP3 Integrated Power Control (Vpd) Single +5V Supply General Description The HMC49LP4E are high efficiency GaAs InGaP HBT MMIC Power amplifiers operating from 3.3 to 3.8 GHz. The amplifier is packaged in a low cost, leadless SMT package. Utilizing a minimum of external components the amplifier provides 31 db of gain and dbm of saturated power from a +5V supply voltage. The power control (Vpd) can be used for full power down or RF output power/current control. For +22 dbm OFDM output power (64 QAM, 54 Mbps), the HMC49LP4E achieve an error vector magnitude (EVM) of 2%, meeting WiMAX linearity requirements. Electrical Specifications, T A = +25 C, Vs = +5V, Vpd = +5V, Vbias=+5V Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Units Frequency Range GHz Gain db Gain Variation Over Temperature db/ C Input Return Loss db Output Return Loss db Output Power for 1dB Compression (P1dB) dbm Saturated Output Power (Psat) dbm Output Third Order Intercept (IP3) [2] dbm Error Vector 3.5 GHz (54 Mbps OFDM +22 dbm Pout) 2 % Noise Figure db Supply Current (Icq) Vs= Vcc1 + Vcc2= +5V ma Control Current (Ipd) Vpd = +5V ma Switching Speed ton, toff ns Bias Current (Ibias) ma Note 1: Specifications and data reflect HMC49LP4E measured using the application circuit found herein. Contact the HMC Applications Group for assistance in optimizing performance for your application. Note 2: Two-tone output power of +15 dbm per tone, 1 MHz spacing. 1 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D

2 HMC49LP4E v Broadband Gain & Return Loss RESPONSE (db) Input Return Loss vs. Temperature RETURN LOSS (db) S21 S11 S Gain vs. Temperature GAIN (db) Output Return Loss vs. Temperature RETURN LOSS (db) Reverse Isolation vs. Temperature Power Down Isolation vs. Temperature -1-1 ISOLATION (db) ISOLATION (db) For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D 2

3 HMC49LP4E v P1dB vs. Temperature 36 Psat vs. Temperature 36 P1dB (dbm) Output IP3 vs. Temperature IP3 (dbm) PSAT (dbm) Power 3.5 GHz Pout (dbm), GAIN (db), PAE (%) Pout (dbm) Gain (db) PAE (%) INPUT POWER (dbm) Gain & Power vs. Supply Voltage Noise Figure vs. Temperature 12 GAIN (db), P1dB (dbm), Psat (dbm) Gain Psat P1dB NOISE FIGURE (db) Vcc SUPPLY VOLTAGE (Vdc) 3 For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D

4 HMC49LP4E v Gain, Power & Quiescent Supply Current vs. 3.5 GHz 4 8 Power Dissipation 4.4 GAIN (db), P1dB (dbm), Psat (dbm) Vpd (Vdc) Icc Gain Psat P1dB Icc (ma) EVM vs. 3.5 GHz OFDM 54 Mbps Signal ERROR VECTOR MAGNITUDE (%) POWER DISSIPATION (W) OUTPUT POWER (dbm) Max +85C INPUT POWER (dbm) For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D 4

5 HMC49LP4E v Absolute Maximum Ratings Collector Bias Voltage (Vcc1, Vcc2) Control Voltage (Vpd) RF Input Power (RFIN)(Vs = Vpd = +5Vdc) Outline Drawing +5.5 Vdc +5.5 Vdc +1 dbm Junction Temperature 15 C Continuous Pdiss (T = 85 C) (derate 57.5 mw/ C above 85 C) Thermal Resistance (junction to ground paddle) 3.74 W 17.4 C/W Storage Temperature -65 to +15 C Operating Temperature -4 to +85 C ESD Sensitivity (HBM) PKG-4926/PKG-4942 PIN 1 INDICATOR SEATING PLANE SQ 3.9 TOP VIEW Class 1A, Passed 25V.5 BSC Typical Supply, Current vs. Supply Voltage, Vcc1 = Vcc2 = Vpd Vs (Vdc) COMPLIANT TO JEDEC STANDARDS MO-22-VGGD MAX.2 NOM COPLANARITY.8.2 REF Icq (ma) ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS EXPOSED PAD BOTTOM VIEW DETAIL A (JEDEC 95) PIN 1 INDICATOR AREA OPTIONS (SEE DETAIL A) SQ MIN FOR PROPER CONNECTION OF THE EXPOSED PAD, REFER TO THE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS SECTION OF THIS DATA SHEET B 24-Lead Lead Frame Chip Scale Package [LFCSP] 4 mm 4 mm Body and.85 mm Package Height (CP-24-16) Dimensions shown in millimeters. Package Information Part Number Package Body Material Lead Finish MSL Rating Package Marking [2] [1] H49 HMC49LP4E RoHS-compliant Low Stress Injection Molded Plastic 1% matte Sn MSL3 XXXX [1] Max peak reflow temperature of 26 C [2] 4-Digit lot number XXXX 5 For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D

6 HMC49LP4E v Application Circuit E Recommended Component Values TL1 TL2 TL3 C1 - C5 C6 - C7 C8 C9 C1 C11 1 pf 1 pf 1 pf.5 pf 1.6 pf 4.7µF Impedance 5 Ohm 27 Ohm 5 Ohm Physical Length Electrical Length PCB Material: 1 mil Rogers 4, Er = 3.48 L1, L2 3.9 nh L3 R1 2.2 nh 56 Ohm For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D 6

7 HMC49LP4E v Pin Descriptions Pin Number Function Description Interface Schematic 1-3, 5, 6, 8, 1-14, 18, 19, 21, 22, 24 N/C 4 RFIN 7 Vpd No connection required. These pins may be connected to RF/DC ground without affecting performance. This pin is AC coupled and matched to 5 Ohms. Power control pin. For maximum power, this pin should be connected to 5V thru a 56 Ω resistor. A high-voltage or small resistor is not recommended for lower idle current. This voltage can be reduced or the resistor increased. 9 Vbias DC power supply pin for bias circuitry 15, 16, 17 RFOUT RF output and DC bias for the output stage. 2 Vcc2 23 Vcc1 Power supply voltage for the second amplifier stage. External bypass capacitors and pull up choke are required as shown in the application schematic. Power supply voltage for the first amplifier stage. External bypass capacitors are required as shown in the application schematic. GND Ground: Backside of package has exposed metal ground slug that must be connected to ground thru a short path. Vias under the device are required. 7 For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D

8 HMC49LP4E v Evaluation PCB List of Materials for Evaluation PCB 185 [1] Item J1 - J2 Description PCB Mount SMA RF Connector J3, J4 2 mm DC Header C1 - C5 C6 - C7 C8 C9 C1 C11 1 pf Capacitor, 42 Pkg. 1 pf Capacitor, 63 Pkg. 1 pf Capacitor, 42 Pkg..5 pf Capacitor, 63 Pkg. 1.6 pf Capacitor, 63 Pkg. 4.7 µf, Tantalum L1, L2 3.9 nh Inductor, 63 Pkg. The circuit board used in the application should use RF circuit design techniques. Signal lines should have 5 Ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation board should be mounted to an appropriate heat sink. The evaluation circuit board shown is available from Analog Devices, upon request. L3 R1 U1 PCB [2] 2.2 nh Inductor, 42 Pkg. Toko 56 Ohm Resistor, 63 Pkg. HMC49LP4E Amplifier 183 Eval Board [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4, Er = 3.48 For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 916, Norwood, MA Phone: Order online at Application Support: Phone: 1-8-ANALOG-D 8