RoHS Compliant MAATGM0004 Attenuator, Digital, 5-Bit 0.1-20.0 GHz Rev — Preliminary Information Features ♦ ♦ ♦ ♦ ♦ 5-Bit Attenuator, 22 dB Range, LSB = 0.75 dB 0.1 to 20.0 GHz Operation 4 mm, 24-Lead PQFN TTL Control Inputs MSAG™ Process Description The MAATGM0004 is a 5-bit bi-directional Digital Attenuator with Parallel Input Control. This product is fully matched to 50 ohms on both the input and output. Each device is 100% RF tested to ensure performance compliance. The part is fabricated using M/A-COM’s GaAs Multifunction Self-Aligned Gate (MSAG) Process. The 4 mm PQFN package has a lead-free lead finish that is RoHS compliant and compatible with a 260ºC reflow temperature. The package also features low lead inductance and an excellent thermal path. The MTTF is 1,000,000 hours at 170ºC. Also Available in: Description Die Plastic Package Sample Board Part Number MAATGM0004-DIE MAAT-000004-SMB003 Primary Applications ♦ ♦ ♦ ♦ ♦ VSAT Point-to-Point Communications Weather Radar Military Radar Electronic Warfare Electrical Characteristics: TB = 25°C, Z0 = 50Ω, VEE = -5V Parameter Symbol Typical Units Bandwidth f 0.1-20 GHz Attenuation Range ∆G 22 dB Digital Supply Current IEE <10 mA Reference State Insertion Loss (<10 GHz) IL <4 dB Reference State Insertion Loss (10 - 20 GHz) IL <6 dB VSWR (All States - <10 GHz) VSWR 1.5:1 VSWR (All States - 10 - 20 GHz) VSWR 3:1 Attenuation Error (<10 GHz) Err -1.5 to +0.1 dB Attenuation Error (10 - 20 GHz) Err -0.5 to +2.0 dB Phase Variation (All States - <10 GHz) ∆Ф <±5 ° Phase Variation (All States - 10 - 20 GHz) ∆Ф <±20 ° 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. RoHS Compliant MAATGM0004 Attenuator, Digital, 5-Bit 0.1-20.0 GHz Rev — Preliminary Information Maximum Ratings1 Parameter Input Power Symbol PIN Absolute Maximum 36 Units dBm Source Supply Voltage VEE -6 V Junction Temperature TJ 170 °C Storage Temperature TSTG -55 to +150 °C 1. Operation beyond these limits may result in permanent damage to the part. Recommended Operating Conditions2 Characteristic Symbol Min Typ Max Unit Control Voltage A1 thru A6 Logic High 3 5 5 V Logic Low 0 0 0.4 V 150 °C -4.8 V Junction Temperature TJ Digital Supply Voltage VEE -5.2 -5 2. Operation outside of these ranges may reduce product reliability. Truth Table3 Pin 19 Description 12.0 dB Attenuation Bit Level Logic High State Attenuation ≈ 12.0 dB 20 6.0 dB Attenuation Bit Logic High Attenuation ≈ 6.0 dB 21 VEE: DC Suply Voltage -5V ON 22 23 24 3.0 dB Attenuation Bit 1.5 dB Attenuation Bit 0.75 dB Attenuation Bit : LSB Logic High Logic High Logic High Attenuation ≈ 3.0 dB Attenuation ≈ 1.5 dB Attenuation ≈ 0.75 dB 3. All Attenuation Bits at Logic Low = Reference State. Operating Instructions This device is static and light sensitive. Operation of the digital circuitry can be impaired under high intensity light, e.g., microscope light. No voltage sequencing is required to operate this part. 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: 81.44.844.82982 Visit www.macom.com for additional data sheets and product information. RoHS Compliant MAATGM0004 Attenuator, Digital, 5-Bit 0.1-20.0 GHz Rev — Preliminary Information 10 10 9 -50ºC 9 -50ºC 8 50ºC 150ºC 8 50ºC 150ºC 7 Insertion Loss (dB) Insertion Loss (dB) 7 6 5 4 4 3 2 2 1 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2 4 6 8 10 12 14 16 18 Frequency (GHz) Frequency (GHz) Figure 1. Insertion Loss vs. Frequency & Case Temperature - Reference State Figure 2. Insertion Loss vs. Frequency & Case Temperature - Reference State 28 28 26 26 24 24 22 22 20 20 Insertion Loss (dB) Insertion Loss (dB) 5 3 0 18 16 14 12 10 20 18 16 14 12 10 8 8 6 6 4 4 2 2 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2 4 6 8 10 12 14 16 18 Frequency (GHz) Frequency (GHz) Figure 3. Relative Insertion Loss vs. Frequency & Attenuation State - All States Figure 4. Relative Insertion Loss vs. Frequency & Attenuation State - All States 30 30 25 25 20 20 15 15 Relative Insertion Phase (º) Relative Insertion Phase (º) 6 10 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -25 -25 -30 20 -30 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Frequency (GHz) Figure 5. Relative Insertion Phase vs. Frequency & Attenuation State - All States 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. 2.0 2 4 6 8 10 12 14 16 18 Frequency (GHz) Figure 6. Relative Insertion Phase vs. Frequency & Attenuation State - All States • 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. 20 RoHS Compliant MAATGM0004 Attenuator, Digital, 5-Bit 0.1-20.0 GHz Rev — Preliminary Information 6 5 5 4 4 VSWR VSWR 6 3 3 2 2 1 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2 4 6 8 10 12 14 16 18 Frequency (GHz) Frequency (GHz) Figure 7. VSWR (RF Port 1) vs. Frequency & Attenuation State - All States Figure 8. VSWR (RF Port 1) vs. Frequency & Attenuation State - All States 6 5 5 4 4 VSWR VSWR 6 20 3 3 2 2 1 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2 4 6 8 10 12 14 16 18 Frequency (GHz) Frequency (GHz) Figure 9. VSWR (RF Port 2) vs. Frequency & Attenuation State - All States Figure 10. VSWR (RF Port 2) vs. Frequency & Attenuation State - All States 5.0 4.0 Attenuation Error (dB) 3.0 2.0 1.0 0.0 -1.0 -2.0 IDEAL -3.0 2 GHz 10 GHz -4.0 18 GHz -5.0 0.0 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0 16.5 18.0 19.5 21.0 22.5 24.0 Commanded Attenuation State (dB) Figure 11. Typical Attenuation Error vs. Commanded Attenuation State & Frequency 4 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. 20 RoHS Compliant MAATGM0004 Attenuator, Digital, 5-Bit 0.1-20.0 GHz Rev — Preliminary Information Figure 12. 4mm PQFN 24 Lead Package Drawing Reference JEDEC M0-220 (see http://www.jedec.org), VAR. VJJC-3 (Issue E) for additional dimensional and tolerance information. VEE 0.01 to 0.1μF 100pF – as close to the part as possible. 5 Control Inputs Figure 13. Recommended Bias Configuration Note: The exposed pad centered on the package bottom must be connected to RF and dc ground for proper electrical and thermal operation. Refer to M/A-COM Application Note Surface Mounting Instructions for PQFN Packages #S2083* for assembly guidelines. *Application Notes can be found by going to M/A-COM’s web page (http://www.macom.com/Application%20Notes/index.htm) and selecting the required Application Note. 5 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. RoHS Compliant Attenuator, Digital, 5-Bit 0.1-20.0 GHz MAATGM0004 Rev — Preliminary Information Figure 14. Demonstration Board PN MAAT-000004-SMB003 (available upon request). 6 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.