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| GaAs IC Transfer Switch DC-2 GHz AS127-59 Features High Linearity (+45 dBm IP3 @ 0.9 GHz) Small MSOP-8 Plastic Package Low Insertion Loss (0.4 dB @ 0.9 GHz) Simultaneous T/R Switching PIN 1 0.012 (0.30 mm) PIN 1 INDICATOR MSOP-8 0.0256 (0.65 mm) TYP. 0.118 (3.00 mm) 0.004 (0.1 mm) SQ. 0.193 (4.90 mm) REF. Description The AS127-59 is a 4 port switch designed to combine T/R and antenna changeover switching capability within one device. This switch has two 5 V controls and is ideal for applications requiring low power consumption. The AS127-59 has excellent performance to 2 GHz making it suitable for dual-band handset designs. 7.0 0.038 (0.95 mm) TYP. 0.030 (0.75 mm) 0.017 (0.43 mm) + 0.006 (0.15 mm) - 0.002 (0.05 mm) 0.007 (0.18 mm) 0.005 (0.12 mm) 8.0 MAX. 0.006 (0.15 mm) 0.002 (0.05 mm) 0.028 (0.70 mm) 0.016 (0.40 mm) Electrical Specifications at 25C (0, -5 V) TX-J1 or RX-J1 Parameter1 Insertion Loss3 Frequency2 DC-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-1.0 GHz DC-2.0 GHz 20 13 10 Min. Typ. 0.35 0.45 0.7 25 15 13 1.2:1 1.3:1 1.5:1 1.8:1 Max. 0.5 0.7 1.0 25 17 14 Min. TX-J2 or RX-J2 Typ. 0.5 0.6 0.85 28 20 16 1.2:1 1.3:1 1.5:1 1.8:1 Max. 0.7 0.9 1.3 Unit dB dB dB dB dB dB Isolation VSWR4 Operating Characteristics at 25C (0, -5 V) Parameter Switching Characteristics5 Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0.5-2.0 GHz For Two-tone Input Power +0 dBm VLow = 0 to -0.2 V @ 20 A Max. VHigh = -5 V @ 25 A to -8 V @ 100 A Max. 0.5-2.0 GHz Frequency Min. Typ. 20 40 50 +33 +45 Max. Unit ns ns mV dBm dBm Input Power for 1 dB Compression (TX) Intermodulation Intercept Point (IP3) Control Voltages 1. All measurements made in a 50 system, unless otherwise specified. 2. DC = 300 kHz. 3. Insertion loss changes by 0.003 dB/C. 4. Insertion loss state. 5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 3/99A 1 GaAs IC Transfer Switch DC-2 GHz AS127-59 Typical Performance Data (0, -5 V) 1.2 1.0 0.8 TX, RX-J2 50 40 30 dB dB TX, RX-J1 20 0.6 TX, RX-J1 0.4 0.2 0 0.5 1.0 1.5 2.0 10 0 0 0.5 1.0 TX, RX-J2 1.5 2.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency 1.5 1.4 1.3 Absolute Maximum Ratings Characteristic RF Input Power Control Voltage Value 4 W > 0.5 GHz, 0/-5 V Control +0.2 V, -8 V -40C to +85C -65C to +150C 25C/W 1.2 1.1 1.0 0 0.5 1.0 1.5 2.0 Operating Temperature Storage Temperature JC Frequency (GHz) Pin Out VS 10 k GND GND CBL V2 V1 CBL 10 k VS External components shown are for positive voltage operation only. CBL = 100 pF for operation >500 MHz. RX 3 6 J1 1 8 VSWR vs. Frequency Truth Table Negative Operation V1 0 -5 V2 -5 0 TX-J2, RX-J1 Insertion Loss Isolation TX-J1, RX-J2 Isolation Insertion Loss 2 7 TX CBL J2 4 5 CBL Positive Operation V1 VHigh 0 V2 0 VHigh TX-J2, RX-J1 Insertion Loss Isolation TX-J1, RX-J2 Isolation Insertion Loss VHigh = +5 to +8 V (VS = VHigh 0.2 V). 2 Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 3/99A |
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