RF2370 3V LOW NOISE AMPLIFIER Package Style: SOT 6-Lead Features Low Noise and High Intercept Point Adjustable Bias Current Power Down Control Low Insertion Loss Bypass Feature 1.8V to 5V Operation (See Note: Page 2) 1.5GHz to 3.8GHz Operation Logic Control BIAS 1 6 GAIN SELECT GND1 2 5 GND2 RF IN 3 4 RF OUT Applications WiFi LNA with Bypass Feature CDMA PCS LNA with Bypass Feature MMDS LNA with Bypass Feature General Purpose Amplification Commercial and Consumer Systems Functional Block Diagram Product Description The RF2370 is a switchable low noise amplifier with a very high dynamic range designed for digital cellular and WiFi applications. The device functions as an outstanding front end low noise amplifier. The bias current may be set externally. The IC is featured in a standard SOT 6-lead plastic package. Ordering Information RF2370 RF2370SR RF2370TR7 RF2370PCK-410 GaAs HBT GaAs MESFET InGaP HBT Standard 25 piece bag Standard 100 piece reel Standard 2500 piece reel Fully assembled evaluation board tuned for 1900 to 4000 MHz and 5 loose sample pieces Optimum Technology Matching® Applied SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc. DS110616 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 1 of 11 RF2370 Absolute Maximum Ratings Parameter Rating Unit Supply Voltage -0.5 to +6.0 VDC Input RF Level +5 (see note) dBm 32 mA Operating Ambient Temperature -40 to +85 °C Storage Temperature -40 to +150 °C Current Drain, ICC NOTE: Exceeding any one or a combination of the above maximum rating limits may cause permanent damage. Input RF transients to +15dBm will not harm the device. For sustained operation at inputs >+5dBm, a small dropping resistor is recommended in series with the VCC in order to limit the current due to self-biasing to <32mA. Parameter Min. Specification Typ. Max. Caution! ESD sensitive device. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. Unit Operating Range Frequency Range Condition TAMB =+25°C, VCC =3.0V 900 4000 MHz 2300 2700 MHz WiBRO/WiFi/WiMAX Low Noise Amplifier Frequency HIGH GAIN MODE Gain Gain Select<0.8V, VBIAS =3V, T=+25°C 12.0 14.0 Noise Figure 1.3 Input IP3 +8 Output VSWR 1.7:1 Current Drain 7 dB 1.5 dB dBm mA Current Drain=ICC +IREF dB Note: Bypass mode insertion loss will degrade gradually as VCC goes below 2.7V. BYPASS MODE Gain Input IP3 IIP3 will improve if ICC is raised above 7mA. 2:1 Gain Select>1.8V, VBIAS =0V -4.0 -3.0 +18.0 +20.0 -2.0 dBm Output VSWR 1.6:1 Current Drain 2.9 3.0 mA 3500 3800 MHz Current Drain=ICC +IREF WiMAX Low Noise Amplifier Frequency 3100 Gain 11 dB Noise Figure 1.6 dB Input IP3 +14 dBm BYPASS MODE (Low Gain) Gain Select>1.8V, VBIAS =0V Gain Input IP3 Gain Select<0.8V, VBIAS =3V -4 dBm +18 dBm GPS Low Noise Amplifier Frequency 1500 1575 1600 MHz Gain 17 dB Noise Figure 1.2 dB Input IP3 +6 dBm 2 of 11 Gain Select<0.8V, VBIAS =3V 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS110616 RF2370 Parameter Min. Specification Typ. Max. Unit BYPASS MODE (Low Gain) Gain Input IP3 Condition Gain Select>1.8V, VBIAS =0V -4 -3 dBm +20 dBm Power Supply Voltage (VCC) 3 VSELECT Low V 0.8 VSELECT High 1.8 Power Down 0 10 V High Gain mode. Select<0.8V, VBIAS =3V V Low Gain mode. Select>1.8V, VBIAS =0V A Gain Select<0.8V, VBIAS =0V, VCC =3.0V Bias note: Due to the presence of ESD protection circuitry on the RF2370, the maximum allowable collector bias voltage (pin 4) is 4.0V. Higher supply voltages such as 5V are permissible if a series resistor is used to drop VCC to <4.0V for a given ICC. Bias note 2: In bypass mode, VREF is essentially a “don’t care” condition. Pulling VREF low when in bypass mode does conserve the small 1mA to 2mA supplied by VREF. DS110616 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 3 of 11 RF2370 Pin 1 Function BIAS 2 GND1 3 RF IN Description Interface Schematic For low noise amplifier applications, this pin is used to control the bias current. An external resistor can be used to set the bias current for any VBIAS voltage. V B IA S Ground connection. For best performance, keep traces physically short and connect immediately to ground plane. RF input pin. This part is designed such that 50 is the optimal source impedance for best noise figure. Best noise figure is achieved with only a series capacitor on the input. To Bias Circuit RF OUT RF IN 4 RF OUT 5 GND2 6 GAIN SELECT 4 of 11 Amplifier output pin. This pin is an open-collector output. It must be biased to VCC through a choke or matching inductor. This pin is matched to 50 with a shunt L, series L topology enhances to stability of the device by reducing the high frequency gain above 6GHz. See GND1. This pin selects high gain and bypass modes. Gain Select<0.8V, high gain. Gain Select>1.8V, low gain. A series resistor of 100 is required on this pin to enhance stability. 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS110616 RF2370 Package Drawing 1.80 1.40 TEXT* 1.90 0.10 MAX. 0.50 0.35 3.10 2.70 0.90 0.70 3.00 2.60 1.30 1.00 Shaded lead is pin 1. Dimensions in mm. 9° 1° 0.25 0.10 *When Pin 1 is in upper left, text reads downward (as shown). 0.37 MIN. DS110616 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 5 of 11 RF2370 Evaluation Board Schematic WiBRO/WiFi/WiMAX Schematic (2.3GHz to 2.7GHz) VREF Logic Control 1 C1 DNI R1 1.8 k 2 R2 100 6 Select 5 C2 100 pF J1 RF IN C3 DNI L2 1.2 nH 3 P1-1 P1-3 P1-4 C7 2.0 pF 4 P1 1 C4 DNI GND 3 SELECT R3 0 VCC VREF 2 L1 3.3 nH J2 RF OUT C5 100 pF C6 10 nF VCC 4 HDR_1X4 GPS Schematic (1.5GHz to 1.6GHz) VREF Logic Control 1 C1 DNI J1 RF IN R1 1.8 k 5 3 4 Select 22 nF P1-3 P1-4 C4 DNI P1 1 VREF 2 GND 3 SELECT C3 DNI 6 2 P1-1 6 of 11 R2 100 3.9 nH 1 pF 3.3 nH R3 0 J2 RF OUT VCC C5 100 pF C6 10 nF VCC 4 HDR_1X4 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS110616 RF2370 Evaluation Board Layout Board Size 0.835” x 0.900” Board Thickness 0.032”, Board Material FR-4 DS110616 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 7 of 11 RF2370 WiBRO/WiFi/WiMAX DATA Gain at WiFi Band in Bypass Mode VCC=3.0V and VREF=3.0V Over Temp 20.0 0.0 18.0 -1.0 16.0 -2.0 Gain (dB) Gain (dB) Gain at WiFi Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 14.0 12.0 -3.0 -4.0 Gain @ -40°C Gain @ 25°C Gain @ 85°C 10.0 Gain @ -40°C Gain @ 25°C Gain @ 85°C -5.0 8.0 2300.0 2350.0 2400.0 2450.0 2500.0 2550.0 2600.0 2650.0 2700.0 -6.0 2300.0 2350.0 2400.0 2450.0 2500.0 2550.0 2600.0 2650.0 2700.0 Frequency (MHz) Frequency (MHz) Noise Figure at WiFi Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp IIP3 at WiFi Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 3.0 20.0 18.0 2.5 16.0 14.0 IIP3 (dBm) NF (dB) 2.0 1.5 1.0 12.0 10.0 8.0 6.0 4.0 NF @ -40°C NF @ 25°C NF @ 85°C 0.5 0.0 2300.0 2350.0 2400.0 2450.0 2500.0 2550.0 2600.0 2650.0 2700.0 0.0 2300.0 2350.0 2400.0 2450.0 2500.0 2550.0 2600.0 2650.0 2700.0 Frequency (MHz) Frequency (MHz) IIP3 at WiFi Band in Bypass Mode VCC=3.0V and VREF=3.0V Over Temp ICC + IREF at WiFi Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 30.0 9.0 28.0 8.5 26.0 8.0 ICC + IREF (mA) 24.0 IIP3 (dBm) IIP3 @ -40°C IIP3 @ 25°C IIP3 @ 85°C 2.0 22.0 20.0 18.0 7.0 6.5 6.0 16.0 IIP3 @ -40°C IIP3 @ 25°C IIP3 @ 85°C 14.0 12.0 2300.0 2350.0 2400.0 2450.0 2500.0 2550.0 2600.0 2650.0 2700.0 Frequency (MHz) 8 of 11 7.5 ICC + IREF @ -40°C ICC + IREF @ 25°C ICC + IREF @ 85°C 5.5 5.0 2300.0 2350.0 2400.0 2450.0 2500.0 2550.0 2600.0 2650.0 2700.0 Frequency (MHz) 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS110616 RF2370 WiMAX Data Gain @ WiMAX Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 18.0 0.0 Gain @ WiMAX Band in Bypass Mode VCC=3.0V and VREF = 3.0V Over Temp -1.0 16.0 -2.0 Gain (dB) Gain (dB) 14.0 12.0 10.0 -3.0 -4.0 -5.0 -6.0 Gain @ -40°C Gain @ 25°C Gain @ 85°C 8.0 6.0 -8.0 3100.0 3200.0 3300.0 3400.0 3500.0 3600.0 3700.0 3800.0 3100.0 3200.0 3300.0 3400.0 3500.0 3600.0 3700.0 3800.0 Frequency (MHz) Frequency (MHz) 4.0 Noise Figure @ WiMAX Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 26.0 22.0 3.0 20.0 IIP3 (dBm) 2.5 NF (dB) IIP3 @ WiMAX Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 24.0 3.5 2.0 1.5 18.0 16.0 14.0 12.0 1.0 10.0 NF @ -40°C NF @ 25°C NF @ 85°C 0.5 IIP3 @ -40°C IIP3 @ 25°C IIP3 @ 85°C 8.0 0.0 6.0 3100.0 3200.0 3300.0 3400.0 3500.0 3600.0 3700.0 3800.0 3100.0 3200.0 3300.0 3400.0 3500.0 3600.0 3700.0 3800.0 Frequency (MHz) Frequency (MHz) 30.0 IIP3 @ WiMAX Band in Bypass Mode VCC=3.0V and VREF=3.0V Over Temp ICC + IREF @ WiMAX Band in High Gain Mode 9.0 28.0 VCC=3.0V and VREF=3.0V Over Temp 8.5 26.0 8.0 ICC + IREF (mA) 24.0 IIP3 (dBm) Gain @ -40°C Gain @ 25°C Gain @ 85°C -7.0 22.0 20.0 18.0 7.5 7.0 6.5 6.0 16.0 IIP3 @ -40°C IIP3 @ 25°C IIP3 @ 85°C 14.0 12.0 ICC + IREF @ -40°C ICC + IREF @ 25°C ICC + IREF @ 85°C 5.5 5.0 3100.0 3200.0 3300.0 3400.0 3500.0 3600.0 3700.0 3800.0 3100.0 3200.0 3300.0 3400.0 3500.0 3600.0 3700.0 3800.0 Frequency (MHz) Frequency (MHz) DS110616 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 9 of 11 RF2370 GPS Data Gain @ GPS Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 24.0 0.0 22.0 -1.0 -2.0 Gain (dB) Gain (dB) 20.0 18.0 16.0 -3.0 -4.0 14.0 Gain @ -40°C Gain @ 25°C Gain @ 85°C 12.0 Gain @ -40°C Gain @ 25°C Gain @ 85°C -5.0 10.0 -6.0 1500.0 3.0 Gain @ GPS Band in Bypass Mode VCC=3.0V and VREF=3.0V Over Temp 1525.0 1550.0 1575.0 1500.0 1600.0 1525.0 1550.0 1575.0 Frequency (MHz) Frequency (MHz) Noise Figure @ GPS Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp IIP3 @ GPS Band in High Gain Mode VCC=3.0V and VREF=3.0V Over Temp 16.0 1600.0 14.0 2.5 12.0 IIP3 (dBm) NF (dB) 2.0 1.5 1.0 10.0 8.0 6.0 4.0 NF @ -40°C NF @ 25°C NF @ 85°C 0.5 0.0 1500.0 28.0 IIP3 @ -40°C IIP3 @ 25°C IIP3 @ 85°C 2.0 0.0 1525.0 1550.0 1575.0 1600.0 1500.0 1525.0 1550.0 1575.0 Frequency (MHz) Frequency (MHz) IIP3 @ GPS Band in Bypass Mode VCC=3.0V and VREF=3.0V Over Temp ICC + IREF @ GPS Band in High Gain Mode 10.0 26.0 1600.0 VCC=3.0V and VREF=3.0V Over Temp 9.0 ICC + IREF (mA) IIP3 (dBm) 24.0 22.0 20.0 18.0 8.0 7.0 6.0 16.0 IIP3 @ -40°C IIP3 @ 25°C IIP3 @ 85°C 14.0 12.0 1500.0 4.0 1525.0 1550.0 Frequency (MHz) 10 of 11 ICC + IREF @ -40°C ICC + IREF @ 25°C ICC + IREF @ 85°C 5.0 1575.0 1600.0 1500.0 1525.0 1550.0 1575.0 1600.0 Frequency (MHz) 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS110616 RF2370 RoHS* Banned Material Content RoHS Compliant: Yes Package total weight in grams (g): 0.013 Compliance Date Code: N/A Bill of Materials Revision: - Pb Free Category: B i l l o f Ma te r i a l s e3 Pa r ts Pe r Mi l l i o n (PPM ) Pb Cd Hg Cr V I PB B PB DE Di e 0 0 0 0 0 0 M o l di ng Co mp o und 0 0 0 0 0 0 Le a d F r a me 0 0 0 0 0 0 Di e A tta ch Ep o x y 0 0 0 0 0 0 Wi r e 0 0 0 0 0 0 So l d e r Pl a ti ng 0 0 0 0 0 0 Thi s R o HS ba nne d ma te r i a l co nte nt d e cl a r a ti o n wa s pr e p a r e d so l e l y o n i nfo r ma ti o n, i ncl udi ng a na l y ti ca l da ta , pr o vi d e d to R F M D b y i ts supp l i e r s, a nd a p pl i e s to the B i l l o f M a te r i a l s (B OM ) r e vi si o n no te d * DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment DS110616 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 11 of 11