AT-266

Digital Attenuator, 1 Bit, 10 dB Step, DC - 2.0 GHz AT-266 AT-266 Digital Attenuator, 1 Bit, 10 dB Step DC - 2.0 GHz Features Single 10 dB Step Low Loss 0.3dB Typ. @ 900 MHz Low Cost Plastic SOT25 Package SOT-25 Plastic Package .114 ± .008 2,9 ± 0,2 .075 ± .008 1,90 ± 0,2 + .008 .043 - .004 1,10 + 0,2 - 0,1 .110 ± .008 2,80 ± 0,2 Description M/A-COM’s AT-266 is a 1 bit, 10 dB step GaAs MMIC Digital Attenuator in a low cost SOT-25 surface mount plastic package. The AT-266 is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. Typical applications include radio, wireless LANs, GPS equipment and other gain/level control circuits. The AT-266 is a GaAs MMIC using a mature 1 micron process. The process features full chip passivation for increased performance and reliability. .063 ± .004 1,6 ± 0,1 .008 MIN 0,20 MIN Pin 1 + .004 .006 - .002 0,15 + 0,1 - 0,05 + .004 .031 - .007 0,80 + 0,1 - 0,18 .002 ± .002 0,05 ± 0,05 + .004 .016 - .002 0,40 + 0,1 - 0,05 Pin Configuration PIN No. 1 2 3 4 5 1. Truth Table Description RF In/Out RF Ground RF In/Out Control Voltage Control Voltage Negative 3 Function RF1 RF2 V1 V2 1 1 MODE (Control) Postive 1 V1 0 ± 0.2V +3 to +8V -VC ± 0.2 V + VC 0 ± 0.2V -3V to -8V V2 +3 to +8V 0 ± 0.2V +VC -VC ± 0.2V -3V to -8V 0 ± 0.2V Atten. 10 dB IL 10 dB IL IL 10 dB 1 GND 1 Postive / Negative1,2 Series Capacitors on PINs1, 3 and 5, Shunt Capacitor on PIN 2 are required for ...