AT-264

Digital Attenuator, 4 Bit, Single Control, 30 dB, 0.5 - 2.0 GHz AT-264 AT-264 Digital Attenuator, 4 Bit, Single Control 30 dB, 0.5 - 2.0 GHz Features Single Control CMOS logic for each bit Attenuation 2 dB steps to 30 dB Low DC Power Consumtion: 50 uW Low Cost Plastic TSSOP-16 Package TSSOP-16 1 PN 16 25 24 6,0 6,2 .03 03 0,9 0,8 PN 1 .025 0,6 .17 .16 4,0 4,2 Description The M/A-COM AT-264 is a 4 bit, 2 dB step GaAs MMIC digital attenuator in a low cost TSSOP-16 surface mount plastic package. The AT-264 is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. Typical applications include radio, cellular, wireless LANs, GPS equipment and other gain/level control circuits. The AT-264 is fabricated using a mature 1 micron GaAs MESFET process. The process features full chip passivation for increased performance and reliability. 20 19 5,1 4,0 1. Dimensions are in inches/mm. Ordering Information Part Number AT-264 AT-264TR Package TSSOP 16-Lead Plastic Tape and Reel 1 1. Refer to Application Note M513 for reel size information. Electrical Specifications: TA = +25°C Parameter Reference Insertion Loss Attenuation Accuracy VSWR Trise, Tfall Ton, Toff Transients 1 dB Compression IP2 IP3 1. 2. 1 Test Conditions 0.5 - 1.0 GHz 0.5 - 2.0 GHz 0.5 - 1.0 GHz 0.5 - 2.0 GHz 1.0 - 1.5 GHz 0.5 - 2.0 GHz 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF in Band Input Power Input Power ...