MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Functional Schematic3 Features 75 Impedance Integrated TTL/CMOS Compatible Driver Parallel & Serial (P/S) Control with power-up state selection 0.5-dB Attenuation Steps to 31.5 dB Low DC Power Consumption Lead-Free 4 mm PQFN-24LD Plastic Package Halogen-Free Green Mold Compound RoHS* Compliant and 260C Re-flow Compatible B0 B1 B2 B3 B4 B5 24 P/S VDD 18 1 CLK PUP1 SERIN PUP2 SEROUT LE N/C GND Description RFIN The MAAD-008866 is a 6-bit, 0.5-dB step GaAs digital attenuator in a lead-free 4 mm PQFN-24LD surface mount plastic package. 1,2 Ordering Information RFOUT 6 RF GND RF GND RF GND RF GND RF GND 12 RF GND This device is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. This part can be used in all 75 systems operating up to 1.218 GHz. 3. Blocking capacitors are required on all RF ports Pin Configuration Pin # Function Pin # Function 1 Parallel / Serial Select 16 Power Up State 2 2 Clock 17 Power Up State 1 3 Serial Data In 18 Bias Voltage 4 Latch Enable 19 B5 5 Ground 20 B4 6 RF Input 21 B3 7 - 12 RF Ground 22 B2 Part Number Package 13 RF Output 23 B1 MAAD-008866-TR3000 3000 piece reel 14 No Connection 24 B0 MAAD-008866-001SMB Sample Board 15 Serial Data Out 25 Paddle4 1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts. 1 Rev. V4 4. The exposed pad centered on the package bottom must be connected to the RF and DC ground. * Restrictions on Hazardous Substances, European Union Directive 2011/65/EU. MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Electrical Specifications5,6: TA = 25C, Z0 = 75 , VDD = 5 V, VC = 5 V Parameter Test Conditions Reference Insertion Loss 5 MHz 50 MHz 500 MHz 1000 MHz Attenuation Accuracy Any Bit or combination 5 - 1000 MHz Return Loss 5 - 1000 MHz dB -- 18 -- TRISE, TFALL 10% to 90% RF, 90% to 10% RF ns -- 320 -- TON, TOFF 50% Control to 90 / 10% RF ns -- 340 -- Transients In Band mV -- 88 -- Input P1dB 50 MHz 1000 MHz dBm -- 12 25.6 -- IIP3 0 dBm/tone at Input, 6 MHz Spacing 50 MHz 1000 MHz dBm -- 33 43 -- IIP2 0 dBm/tone at Input, 6 MHz Spacing 50 MHz 1000 MHz dBm -- 51 74 -- Composite Triple Beat, CTB 132 channels, +30 dBmV/channel at the input dBc -- -88 -- Composite Second Order, CSO 132 channels, +30 dBmV/channel at the input dBc -- -69 -- A -- 4 -- Steady State IDD Units dB Min. Typ. Max. -- -- -- -- 1.3 1.35 1.6 1.8 -- -- -- 2.3 (0.15 dB + 4% of attenuation setting in dB) VDD = +5 V 5. External DC blocking capacitors are required on all RF ports. Loss varies at 0.003 dB/C. 6. Low frequency is determined by DC block and RF GND capacitor value. Absolute Maximum Ratings7,8 Truth Table9 B5 B4 B3 B2 B1 B0 Attenuation (dB) 1 1 1 1 1 1 Reference IL 1 1 1 1 1 0 0.5 1 1 1 1 0 1 1 1 1 1 0 1 1 2 1 1 0 1 1 1 4 -40C to +85C 1 0 1 1 1 1 8 -65C to +150C 0 1 1 1 1 1 16 0 0 0 0 0 0 31.5 Parameter Absolute Maximum Input Power 50 MHz 1000 MHz +15 dBm +27 dBm Operating Voltage +8.5 V Control Voltage -0.5 V < VC < 5.5 V Operating Temperature Storage Temperature 7. Exceeding any one or combination of these limits may cause permanent damage to this device. 8. MACOM does not recommend sustained operation near these survivability limits. 9. Logic 0 = 0 to +0.8 V, Logic 1 = +2 to +5 V. 2 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Recommended PCB Rev. V4 Application10 B0 B1 B2 B3 B4 B5 24 P/S VDD 18 1 CLK PUP1 SERIN PUP2 SEROUT LE C2 C1 6 RFIN RFOUT 12 C1, C2 = 0.1 F (0402) C3 - C8 = 0.1 F (0201) C3 C4 C5 C6 C7 C8 10.Capacitors C3 - C8 should be as close to package pins as possible. Handling Procedures Off-Chip Component Values Component Value Package C1 & C2 0.1 F 0402 C3 - C8 0.1 F 0201 Please observe the following precautions to avoid damage: Static Sensitivity Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices. An external protection circuit using an inexpensive anti-parallel diode pair can be used to protect the IC. Please reference application note AN3028 for further detail. 3 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Typical Performance Curves Relative Attenuation across all major states Insertion Loss 0 0.0 -5 -0.4 +25C -40C +85C -0.8 -10 -15 -1.2 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -20 -1.6 -25 -2.0 -30 -2.4 0.0 0.2 0.4 0.6 0.8 1.0 -35 0.0 0.2 0.4 0.6 0.8 1.0 Frequency (GHz) Frequency (GHz) Input Return Loss, across all attenuation states Output Return Loss, across all attenuation states 0 0 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -5 -10 -15 -10 -15 -20 -20 -25 -25 -30 -30 -35 -35 -40 0.0 0.2 0.4 0.6 Frequency (GHz) 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -5 0.8 1.0 -40 0.0 0.2 0.4 0.6 0.8 1.0 Frequency (GHz) 4 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Typical Performance Curves @ 5 Volts Step Error vs. State over Frequency Step Error vs. State over Temp @ 5 MHz 1.00 1.00 5 MHz 50 MHz 500 MHz 1000 MHz 0.75 0.50 0.75 0.25 0.25 0.00 0.00 -0.25 -0.25 -0.50 -0.50 -0.75 -0.75 -1.00 0 4 8 12 16 20 24 +25C -40C +85C 0.50 28 32 -1.00 0 4 8 12 State (dB) Step Error vs. State over Temp @ 500 MHz 20 24 28 32 Step Error vs. State over Temp @ 1000 MHz 1.00 1.00 0.75 0.75 +25C -40C +85C 0.50 0.25 0.00 0.00 -0.25 -0.25 -0.50 -0.50 -0.75 -0.75 0 4 8 12 16 State (dB) 20 24 +25C -40C +85C 0.50 0.25 -1.00 16 State (dB) 28 32 -1.00 0 4 8 12 16 20 24 28 32 State (dB) 5 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Typical Performance Curves @ 5 Volts IIP3 vs. Frequency @ 25C IIP2 vs. Frequency @ 25C 100 60 90 50 80 70 40 60 50 30 IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 20 10 0 0 200 400 600 800 40 IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 30 20 10 1000 0 0 200 400 600 800 1000 Frequency (MHz) Frequency (MHz) IIP3 vs. Frequency @ -40C IIP2 vs. Frequency @ -40C 100 60 90 50 80 70 40 60 50 30 IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 20 10 0 0 200 400 600 800 40 IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 30 20 10 1000 0 0 200 400 600 800 1000 Frequency (MHz) Frequency (MHz) IIP3 vs. Frequency @ +85C IIP2 vs. Frequency @ +85C 60 100 90 50 80 70 40 60 30 50 IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 20 10 0 6 0 200 400 600 Frequency (MHz) 800 40 IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 30 20 10 1000 0 0 200 400 600 800 1000 Frequency (MHz) MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Functionality Modes of Operation: Serial, Direct Parallel, and Latched Parallel Mode Truth Table P/S LE Mode 1 X Serial 0 Constant High Direct Parallel 0 Pulsed Latched Parallel Serial Mode The serial control interface (SERIN, CLK, LE, SEROUT) is compatible with the SPI protocol. SPI mode is activated when P/S is kept high. The 6-bit serial word must be loaded with MSB first. After shifting in the 6 bit word, bringing LE high will set the attenuator to the desired state. While LE is high the CLK is masked to protect the data while implementing the change . SEROUT is the SERIN delayed by 6 clock cycles. When P/S is low, the serial control interface is disabled and the serial input register is loaded asynchronously with parallel digital inputs. Direct Parallel Mode The parallel mode is enabled when P/S is set to low. In the direct parallel mode, the attenuator is controlled by the parallel control inputs directly. The LE must be at logic high to control the attenuator in this mode. Latched Parallel Mode In the latched parallel mode, the parallel control inputs will be buffered by registers, and loaded to the outputs when LE is high. The outputs shall not change states when LE is low. Power-up States The power-up (PUP) states will work in both serial and parallel modes, and initiate the attenuator according to the PUP truth table. During power up, the digital inputs shall be held constant for at least 1 s after VDD reaches 90% of final value. For serial mode, the PUP states will only work when LE is held low. The PUP state shall be locked out after the first LE pulse. 7 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Functionality Modes of Operation: Serial, Direct Parallel, and Latched Parallel PUP Truth Table* Inputs Gain Relative to Max. Gain PS LE PUP2 PUP1 0 0 0 0 -31.5 dB 0 0 0 1 -24 dB 0 0 1 0 -16 dB 0 0 1 1 Insertion Loss 0 1 X X 0 to -31.5 dB (Set VC0.5 - VC16) 1 0 X X 0 to -31.5 dB (Set VC0.5 - VC16) 1 1 X X No Definition Notes Parallel Mode Serial Mode *VDD TRISE must be <= 125 ns Serial Interface Timing Characteristics Symbol Parameter tSCK Typical Performance Units -40C 25C +85C Min. Serial Clock Period 100 100 100 ns tCS Min. Control Set-up Time 20 20 20 ns tCH Min. Control Hold Time 20 20 20 ns tLS Min. LE Set-up Time 10 10 10 ns tLEW Min. LE Pulse Width 10 10 10 ns tLH Min. Serial Clock Hold Time from LE 10 10 10 ns tLES Min. LE Pulse Spacing 630 630 630 ns 8 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Functionality Modes of Operation: Serial, Direct Parallel, and Latched Parallel Serial Input Interface Timing Diagram tLS tLEW tLH SERIAL CLK LE tLES CONTROL WORD D5 MSB D4 tCS D0 LSB D1 tCH Parallel Control Word tLEW LE tLS tLH 30ns Minimum 9 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 Lead Free 4 mm 24-Lead PQFN Reference Application Note M538 for lead-free solder reflow recommendations. Meets JEDEC moisture sensitivity level 1 requirements. Plating is 100% matte tin over copper. 10 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 5 - 1218 MHz Application Section Electrical Specifications5,6: TA = 25C, Z0 = 75 , VDD = 5 V, VC = 5 V Parameter Test Conditions Reference Insertion Loss 5 MHz 50 MHz 500 MHz 1000 MHz 1218 MHz Units Attenuation Accuracy Any Bit or combination 5 - 1000 MHz Return Loss 5 - 1218 MHz dB -- 18 -- TRISE, TFALL 10% to 90% RF, 90% to 10% RF ns -- 320 -- dB Min. Typ. Max. -- -- -- -- -- 1.3 1.35 1.6 1.8 1.9 -- -- -- 2.3 -- (0.15 dB + 4% of attenuation setting in dB) TON, TOFF 50% Control to 90 / 10% RF ns -- 340 -- Transients In Band mV -- 88 -- Input P1dB 50 MHz 1000 MHz dBm -- 12 25.6 -- dBm -- 33 43 -- dBm -- 51 74 -- 132 channels, +30 dBmV/channel at the input dBc -- -88 -- Composite Second Order, CSO 132 channels, +30 dBmV/channel at the input dBc -- -69 -- A -- 4 -- 0 dBm/tone at Input, 6 MHz Spacing 50 MHz 1000 MHz 0 dBm/tone at Input, 6 MHz Spacing 50 MHz 1000 MHz IIP3 IIP2 Composite Triple Beat, CTB Steady State IDD VDD = +5 V 5. External DC blocking capacitors are required on all RF ports. Loss varies at 0.003 dB/C. 6. Low frequency is determined by DC block and RF GND capacitor value. B0 B1 B2 B3 B4 B5 24 P/S VDD 18 1 CLK PUP1 SERIN PUP2 SEROUT LE C2 C1 6 RFIN 10.Capacitors C3 - C8 should be as close to package pins as possible. Off-Chip Component Values 11 RFOUT 12 C1, C2 = 0.1 F (0402) C3 - C8 = 0.1 F (0201) C3 C4 C5 C6 C7 C8 Component Value Package C1 & C2 0.1 F 0402 C3 - C8 0.1 F 0201 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 5 - 1218 MHz Application Section Typical Performance Curves Relative Attenuation across all major states Insertion Loss 0.0 0 -5 +25C -40C +85C -0.4 -10 S21 (dB) S21 (dB) -0.8 -1.2 -1.6 -15 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -20 -25 -2.0 -30 -2.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 -35 0.5 1.3 0.6 0.7 Frequency (GHz) 0.9 1.0 1.1 1.2 1.3 Frequency (GHz) Input Return Loss, across all attenuation states Output Return Loss, across all attenuation states 0 0 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -10 -15 -10 -20 -15 -20 -25 -25 -30 -30 -35 -35 -40 0.5 0.6 0.7 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -5 S22 (dB) -5 S11 (dB) 0.8 0.8 0.9 1.0 Frequency (GHz) 1.1 1.2 1.3 -40 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 Frequency (GHz) 12 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 MAAD-008866 75 Digital Attenuator, 6-Bit, Serial / Parallel Control 31.5 dB, 0.005 - 1.218 GHz Rev. V4 MACOM Technology Solutions Inc. All rights reserved. Information in this document is provided in connection with MACOM Technology Solutions Inc ("MACOM") products. These materials are provided by MACOM as a service to its customers and may be used for informational purposes only. Except as provided in MACOM's Terms and Conditions of Sale for such products or in any separate agreement related to this document, MACOM assumes no liability whatsoever. MACOM assumes no responsibility for errors or omissions in these materials. MACOM may make changes to specifications and product descriptions at any time, without notice. MACOM makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions. No license, express or implied, by estoppels or otherwise, to any intellectual property rights is granted by this document. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, RELATING TO SALE AND/OR USE OF MACOM PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR INCIDENTAL DAMAGES, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. MACOM FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. MACOM SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS, WHICH MAY RESULT FROM THE USE OF THESE MATERIALS. MACOM products are not intended for use in medical, lifesaving or life sustaining applications. MACOM customers using or selling MACOM products for use in such applications do so at their own risk and agree to fully indemnify MACOM for any damages resulting from such improper use or sale. 13 MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support DC-0006843 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: MACOM: MAAD-008866-TR3000