AT-233-PIN

AT-233-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Features • Attenuation: 2 dB Steps to 30 dB • Temperature Stability: ± 0.18 dB from –55°C to +85°C Typical • Low DC Power Consumption • Hermetic Surface Mount Package • Integral TTL Driver • 50 Ohm Nominal Impedance • Lead-Free CR-12 Package • 260°C Reflow Compatible • RoHS* Compliant Rev. V5 Functional Schematic Description M/A-COM’s AT-233-PIN is a GaAs FET 4-Bit digital attenuator with a 2 dB minimum step size and 30 dB total attenuation. This attenuator and integral TTL driver is in a hermetically sealed ceramic 16-lead surface mount package. The AT-233-PIN is ideally suited for use where accuracy, fast switching, very low power consumption and low intermodulation products are required. Typical applications include dynamic range setting in precision receiver circuits and other gain/leveling control circuits. Environmental screening is available. Contact the factory for information. Pin Configuration Pin No. 1 2 3 4 5 6 Function RF1 GND GND GND GND GND GND RF2 Pin No. 9 10 11 12 13 14 15 16 Function NC +5V -5V C4 C3 C2 C1 GND Ordering Information Part Number AT-233-PIN MAAD-007228-0001TR MAAD-007228-0001TB 7 8 Package Bulk Packaging 1000 piece reel Sample Test Board The metal bottom of the case must be connected to RF and DC ground. Note: Reference Application Note M513 for reel size information. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. AT-233-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Electrical Specifications: TA = 25°C1 Parameter Reference Insertion Loss Rev. V5 Test Conditions — Frequency DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 2.0 GHz — — — 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz — — — Units dB dB dB Min — — — Typ — — — Max 2.3 2.65 2.8 Attenuation Accuracy2 Any Single Bit Any Combination of Bits ± (0.2 + 3% of attenuation setting in dB) dB ± (0.2 + 3% of attenuation setting in dB) dB or ± 0.45 dB, whichever is greater ± (0.20 + 3% of attenuation setting in dB) dB ± (0.25 + 4% of attenuation setting in dB) dB or ± 0.45 dB, whichever is greater Ratio ns ns mV dBm dBm dBm dBm dBm dBm V V mA — — — — — — — — — — 4.5 -8.0 — — 10 30 35 +20 +28 +40 +50 +45 +68 5.0 — — 1.7:1 — — — — — — — — — 5.5 -5.0 4.0 VSWR Trise, Tfall Ton, Toff Transients 1 dB Compression 3 Input IP3 3 Input IP2 3 VCC VEE ICC — 10% to 90% 50% Control to 90/10% RF In-Band (peak-peak) Input Power For two tone input power Up to +5 dBm For two-tone input power Up to +5 dBm — — VCC = 4.5 to 5.5 V Vctl = 0 to 0.8V, or VCC – 2.1V to VCC VEE = -5.0 to –8.0V Logic 0 (TTL) Logic 1 (TTL) 0 to 0.8V 2.0 to 5.0V IEE Vctl Input Leakage Current (Low) Input Leakage Current (High) — — — — — mA V V µA µA — 0.0 2.0 — — — — — — — 1.0 0.8 5.0 1.0 1.0 1. All specifications apply when operated with bias voltages of +5V for VCC and –5.0V to –8.0V for VEE, and 50 Ohm impedance at all ports unless otherwise specified. 2. This attenuator is guaranteed monotonic. 3. VEE = -5V for the typical numbers given. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. AT-233-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Absolute Maximum Ratings 4,5 Parameter Max Input Power 0.5 GHz 0.5 - 2.0 GHz VCC VEE VCC - VEE Vin 6 Rev. V5 Recommended PCB Configuration Absolute Maximum +27 dBm +34 dBm -0.5V ≤ VCC ≤ +7.0V -8.5V ≤ VEE ≤ +0.5V -0.5V ≤ VCC - VEE ≤ 14.5V -0.5V ≤ Vin ≤ VCC + 0.5V -55°C to +125°C -65°C to +150°C Operating Temperature Storage Temperature 4. 5. 6. Exceeding any one or combination of these limits may cause permanent damage to this device. M/A-COM does not recommend sustained operation near these survivability limits. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. Handling Procedures Please observe the following precautions to avoid damage: Truth Table (Digital Attenuator) Control Inputs C4 0 0 0 0 1 1 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. C3 0 0 0 1 0 1 C2 0 0 1 0 0 1 C1 0 1 0 0 0 1 Attenuation Reference 2 dB 4 dB 8 dB 16 dB 30 dB Typical Performance Curves Ref. Insertion Loss vs. Frequency + 8 5 °C 5.0 + 2 5 °C - 55 °C 0 = TTL Low; 1 = TTL High VSWR vs. Frequency 2 dB 2.00 4 dB 8 d B 16 d B R ef Lo ss St at e Insertion Loss (dB) 4.0 1.80 3.0 2.0 VSWR 0.0 0.5 1.0 1.5 2.0 1.60 1.40 1.0 1.20 0 .0 1.00 0.0 0.5 1.0 1.5 2.0 Fre que ncy (GHz ) 3 Fre que ncy (GHz ) ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. AT-233-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Typical Performance Curves Attenuation Accuracy vs. Frequency Rev. V5 Lead-Free CR-12 Ceramic Package† F ull A t t en 16 d B 8 dB 4 dB 2 dB D ev ia tio n fro m N o m ina l A ttenua tio n (dB) 1.0 0.5 0.0 -0.5 -1.0 -1.5 - 2.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) † Reference Application Note M538 for lead-free solder reflow recommendations. 4 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice.