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| Digital Attenuator, 15 dB, 4-Bit DC-2.0 GHz Features * * * * * * * Attenuation 1-dB Steps to 15 dB High Accuracy Low Intermodulation Product: +50 dBm IP3 Low DC Power Consumption: 50 W SOIC-16 Plastic Package Tape and Reel Packaging Available Temperature Stability +/-0.15 dB: -40C to +85C AT-210 V4 Functional Schematic Description M/A-COM's AT-210 is a 4-bit, 1-dB step GaAs MMIC digital attenuator in a low cost SOIC 16-lead surface mount plastic package. The AT-210 is ideally suited for use where high accuracy, fast switching, very low power consumption and low intermodulation products are required. Typical applications include radio, cellular, and wireless LANs, GPS equipment and other Gain/Level Control circuits. The AT-210 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. Pin Configuration Pin No. 1 2 3 4 5 Function VC1 VC1 VC2 VC2 VC3 VC3 VC4 VC4 Pin No. 9 10 11 12 13 14 15 16 Function RF2 GND GND GND GND GND GND RF1 Ordering Information Part Number AT-210 PIN AT-210TR 1 6 Package SOIC 16-Lead Plastic Package Tape & Reel 7 8 1. Reference Application Note M513 for reel size information. Absolute Maximum Ratings 2,3 Parameter Input Power: 50 MHz 500-2000 MHz Control Voltage Operating Temperature Storage Temperature Absolute Maximum +27 dBm +34 dBm -8.5 V VC 5V -40C to +85C -65C to +150C 2. Exceeding any one or combination of these limits may cause permanent damage to this device. 3. M/A-COM does not recommend sustained operation near these survivability limits. 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Digital Attenuator, 15 dB, 4-Bit DC-2.0 GHz Electrical Specifications: TA = 25C, VC = 0 V / -5 V, Z0 = 50 Parameter Insertion Loss (Reference state) AT-210 V4 Test Conditions Frequency DC - 0.1 GHz DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz Units dB dB dB dB Min. -- -- -- -- Typ. 0.9 1.3 1.5 2.0 Max. -- 1.5 1.8 -- Attenuation Accuracy 4 VSWR Trise, Tfall Ton, Toff Transients 1 dB Compression IP2 IP3 Control Current 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF In-Band Input Power Input Power Measured Relative to Input Power (For two-tone input power up to +5 dBm) Measured Relative to Input Power (For two-tone input power up to +5 dBm) |VC| = 5 V (0.15 dB + 3% of Atten Setting in dB) dB (0.30 dB + 3% of Atten Setting in dB) dB Ratio -- -- -- -- -- -- -- -- -- -- -- 1.4 10 15 18 22 28 49 72 45 50 10 -- -- -- -- -- -- -- -- -- -- 20 -- -- -- 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz nS nS mV dBm dBm dBm dBm dBm dBm A 4. Attenuation accuracy specifications apply with negative bias control and low inductance grounding. SOIC-16 Truth Table 5 Control Inputs VC4 VC4 1 0 1 1 1 0 0 1 0 0 0 1 VC3 1 1 0 1 1 0 VC3 VC2 VC2 VC1 VC1 0 0 1 0 0 1 1 1 1 0 1 0 0 0 0 1 0 1 1 1 1 1 0 0 0 0 0 0 1 1 Attenuation (dB) Reference state 1 dB 2 dB 4 dB 8 dB 15 dB 5. 0 = -0.2 V to 0 V, 1 = -8 V to -5 V. Meets JEDEC moisture sensitivity level 1 requirements. 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Digital Attenuator, 15 dB, 4-Bit DC-2.0 GHz Typical Performance Curves Insertion Loss 2.5 +25C -40C +85C AT-210 V4 Attenuation Accuracy 0.5 1 dB 2 dB 4 dB 8 dB 15 dB 2.0 0.4 0.3 1.5 0.2 1.0 0.1 0.5 0 0.0 0.0 -0.1 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) VSWR 2.0 IL 1 dB 2 dB 4 dB 8 dB 15 dB Attenuation 20 1 dB 2 dB 3 dB 4 dB 5 dB 6 dB 7 dB 8 dB 9 dB 10 dB 11 dB 12 dB 13 dB 14 dB 15 dB 1.8 15 1.6 10 1.4 5 1.2 1.0 0.0 0.5 1.0 1.5 2.0 0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. |
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