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| GaAs IC High Linearity Positive Control SPDT Switch DC-2.5 GHz AS158-59 Features High Linearity (55 dBm IP3 @ 1.9 GHz) High Isolation (28 dB @ 1.9 GHz) Complementary Control Voltages (0/+5 V) Low DC Power Consumption Small Low Cost MSOP-8 Plastic Package PIN 1 MSOP-8 0.0256 (0.65 mm) TYP. PIN 1 INDICATOR 0.118 (3.00 mm) 0.004 (0.1 mm) SQ. 0.193 (4.90 mm) REF. 0.012 (0.30 mm) + 0.006 (0.15 mm) - 0.002 (0.05 mm) Description The AS158-59 is an IC FET SPDT switch in a low cost MSOP-8 plastic package. The AS158-59 features extremely high linearity, low insertion loss and positive voltage operation with very low DC power consumption. Some standard implementations include antenna changeover, T/R and diversity switching over 2 W. The AS158-59 switch can be used in many analog and digital wireless communication systems including cellular, GSM and DECT applications. 7.0 0.038 (0.95 mm) TYP. 0.030 (0.75 mm) 0.017 (0.43 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) Parameter1 Insertion Loss3 Frequency DC-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz DC-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz DC-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 22 20 24 20 Min. Typ. 0.35 0.40 0.65 0.90 25 23 28 22 1.6:1 1.9:1 2.0:1 Max. 0.4 0.6 0.8 1.1 Unit dB dB dB dB dB dB Isolation VSWR4 Operating Characteristics at 25C (0, 5 V) Parameter Switching Characteristics5 Condition Rise, On (10/90% or 90/10% RF) Fall, Off (50% CTL to 90/10% RF) Video Feedthru 0/+5 V For Two-tone Input Power +27 dBm VLow = 0 to 0.2 V @ 20 A Max. VHigh = 5 V @ 200 A Max. VS = VHigh 0.2 V 0.9-2.5 GHz 0.9-2.5 GHz Frequency Min. Typ. 60 100 50 35 55 Max. Unit nS nS mV dBm dBm Input Power for 1 dB Compression 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. Alpha Industries, Inc. [781] 935-5150 * Fax [978] 241-7906 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 10/01A 1 GaAs IC High Linearity Positive Control SPDT Switch DC-2.5 GHz AS158-59 Typical Performance (0, +5 V) 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 DC 40 35 30 dB dB 25 20 15 10 DC 1.0 2.0 2.5 1.0 2.0 2.5 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 DC 1.0 2.0 2.5 Supply Voltage Control Voltage Isolation vs. Frequency Absolute Maximum Ratings Characteristic RF Input Power Value 6 W Max. > 900 MHz, 0/+8 V Control +12 V -0.2 V, +8 V -40C to +85C -65C to +150C 85C/W Operating Temperature Storage Temperature JC Frequency (GHz) Pin Out V1 CBL GND GND CBL J2 2 7 J3 1 8 V2 J1 CBL VS 4 5 VSWR vs. Frequency Truth Table V1 VHigh 0 V2 0 VHigh J1-J2 Isolation Insertion Loss J1-J3 Insertion Loss Isolation DC blocking capacitors (CBL) must be supplied externally. CBL = 100 pF for operation >500 MHz. 3 6 VHigh = +5 V (VS = VHigh 0.2 V). 2 Alpha Industries, Inc. [781] 935-5150 * Fax [978] 241-7906 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 10/01A |
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