Digital Attenuator, 15 dB, 4-Bit DC-2.0 GHz Features • • • • • • • AT-210 V4 Functional Schematic Attenuation 1-dB Steps to 15 dB High Accuracy Low Intermodulation Product: +50 dBm IP3 Low DC Power Consumption: 50 µW SOIC-16 Plastic Package Tape and Reel Packaging Available Temperature Stability +/-0.15 dB: -40°C to +85°C 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. Ordering Information 1 Part Number Package AT-210 PIN SOIC 16-Lead Plastic Package AT-210TR Tape & Reel 1. Reference Application Note M513 for reel size information. Pin Configuration Pin No. Function Pin No. Function 1 VC1 9 RF2 2 VC1 10 GND 3 VC2 11 GND 4 VC2 12 GND 5 VC3 13 GND 6 VC3 14 GND 7 VC4 15 GND 8 VC4 16 RF1 Absolute Maximum Ratings 2,3 Parameter Absolute Maximum Input Power: 50 MHz 500-2000 MHz +27 dBm +34 dBm Control Voltage -8.5 V ≤ VC ≤ 5V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 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 AT-210 V4 Electrical Specifications: TA = 25°C, VC = 0 V / −5 V, Z0 = 50 Ω Parameter Test Conditions Frequency Units Min. Typ. Max. Insertion Loss (Reference state) DC - 0.1 GHz DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz dB dB dB dB — — — — 0.9 1.3 1.5 2.0 — 1.5 1.8 — Attenuation Accuracy 4 DC - 1.0 GHz DC - 2.0 GHz ± (0.15 dB + 3% of Atten Setting in dB) dB ± (0.30 dB + 3% of Atten Setting in dB) dB VSWR Ratio — 1.4 — Trise, Tfall 10% to 90% RF, 90% to 10% RF — nS — 10 — Ton, Toff 50% Control to 90% RF, 50% Control to 10% RF — nS — 15 — Transients In-Band — mV — 18 — 1 dB Compression Input Power Input Power 0.05 GHz 0.5 - 2.0 GHz dBm dBm — — 22 28 — — IP2 Measured Relative to Input Power (For two-tone input power up to +5 dBm) 0.05 GHz 0.5 - 2.0 GHz dBm dBm — — 49 72 — — IP3 Measured Relative to Input Power (For two-tone input power up to +5 dBm) 0.05 GHz 0.5 - 2.0 GHz dBm dBm — — 45 50 — — Control Current |VC| = 5 V µA — 10 20 4. Attenuation accuracy specifications apply with negative bias control and low inductance grounding. SOIC-16† Truth Table 5 Control Inputs VC4 VC4 VC3 VC3 VC2 VC2 VC1 VC1 Attenuation (dB) 1 0 1 0 1 0 1 0 Reference state 0 1 1 0 1 0 1 0 1 dB 1 0 0 1 1 0 1 0 2 dB 1 0 1 0 0 1 1 0 4 dB 1 0 1 0 1 0 0 1 8 dB 0 1 0 1 0 1 0 1 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 AT-210 V4 Typical Performance Curves Insertion Loss Attenuation Accuracy 0.5 2.5 2.0 +25ºC -40ºC +85ºC 1 dB 2 dB 4 dB 8 dB 15 dB 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 1.5 2.0 Attenuation VSWR 2.0 1.0 Frequency (GHz) Frequency (GHz) IL 1 dB 2 dB 4 dB 20 8 dB 15 dB 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 Frequency (GHz) 0 0.0 0.5 1.0 1.5 2.0 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.