AT90-0283 MA-COM | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 7
Technical content
Features
- Attenuation: 0.5 dB Steps to 15.5 dB
- Low DC Power Consumption
- Small Footprint, JEDEC Package
- Integral TTL Driver
- 50 ohm Impedance
- Test Boards are Available
- Tape and Reel Packaging Available
- CSP-1 Package
Description
M/A-COM's AT90-0283 is a GaAs FET 5-bit digital attenuator with integral TTL driver. Step size is 0.5 dB providing a 15.5 dB to tal attenuation range. This device is in an PQFN plastic surface mount package. AT90-0283 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required.
Ordering Information
AT90-0283TR 1000 piece reel AT90-0283-TB Sample Test Board Note: Reference Application Note M513 for reel size information. Functional Schematic Pin Configuration1 Pin No. Function Pin No. Function
1 GND 17 NC
2 C8 18 NC
3 C4 19 NC
4 C2 20 NC
5 C1 21 NC
6 C0.5 22 NC
7 GND 23 NC
8 NC 24 NC
9 NC 25 NC
10 NC2 26 GND
11 GND 27 RF2
12 RF1 28 GND
13 GND 29 NC2
14 NC 30 -Vee
15 NC 31 NC
16 NC 32 +Vcc
- The exposed pad centered on the package bottom must be connected to RF and DC ground. (For PQFN Packages) 2. Pins 10 & 29 must be isolated
Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz Rev. V10 AT90-0283 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions is considering for development. Performance is based on target specifications, simulated results, and/or prototype measurements. Commitment to develop is not guaranteed. 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. Commitment to produce in volume is not guaranteed. Electrical Specifications: TA = 25°C, Z0 = 50Ω Parameter Test Conditions Frequency Units Min Typ Max Insertion Loss — DC - 3.5 GHz dB — 2.8 3.2 Attenuation Accuracy Individual Bits 0.5-1-4-8 dB Individual Bit 2 dB Any Combination of Bits 1 to 15.5 dB DC - 3.5 GHz DC - 3.5 GHz DC - 3.5 GHz dB dB dB ±(.3 +5% of atten setting) ±(.4 +10% of atten setting) ±(.5 +7% of atten setting) VSWR Full Range DC - 3.5 GHz Ratio — 1.6:1 1.8:1 Switching Speed 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% ns ns 150 1 dB Compression —
50 MHz
0.5 - 3.5 GHz dBm dBm +21 +29 Input IP3 Two-tone inputs up to +5 dBm 50 MHz 0.5-3.5 GHz dB dB +35 +48 Vcc Vee V V 4.75 -8.0 5.0 -5.0 5.25 -4.75 VIL VIH LOW-level input voltage HIGH-level input voltage V V 0.0 2.0 0.8 5.0 lin (Input Leakage Current) Vin = VCC or GND — uA -1.0 — 1.0 Icc (Quiescent Supply Current) Vcntrl = VCC or GND — uA — 250 400 ΔIcc (Additional Supply Current Per TTL Input Pin) VCC = Max, Vcntrl = VCC - 2.1 V — mA — — 1.0 IEE VEE min to max, Vin = VIL or VIH — mA -1.0 -0.2 — Thermal Resistance θjc — — °C/W — 15 —
Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz Rev. V10 AT90-0283 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions is considering for development. Performance is based on target specifications, simulated results, and/or prototype measurements. Commitment to develop is not guaranteed. 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. Commitment to produce in volume is not guaranteed. Absolute Maximum Ratings 3,4 Parameter Absolute Maximum Max. Input Power
0.05 GHz
0.5 - 3.5 GHz +27 dBm +34 dBm VCC -0.5V ≤ VCC ≤ +7.0V VEE -8.5V ≤ VEE ≤ +0.5V VCC - VEE -0.5V ≤ VCC - VEE ≤ 14.5V Vin5 -0.5V ≤ Vin ≤ VCC + 0.5V Operating Temperature -40ºC to +85ºC Storage Temperature -65ºC to +125ºC 3. Exceeding any one or combination of these limits may cause permanent damage to this device. 4. M/A-COM does not recommend sustained operation near these survivability limits. 5. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. Recommended PCB Configuration 6 6. Application Note C2083 is available on line at www.macom.com Handling Procedures 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 electric ity. Proper ESD control techniques should be used when handling these devices. Moisture Sensitivity The MSL rating for this part is defined as Level 2 per IPC/JEDEC J-STD-020. Parts shall be stored and/or baked as required for MSL Level 2 parts. Truth Table (Digital Attenuator) 0 = TTL Low; 1 = TTL High C8 C4 C2 C1 C0.5 Attenuation 0 0 0 0 0 Loss, Reference 0 0 0 0 1 0.5 dB 0 0 0 1 0 1.0 dB 0 0 1 0 0 2.0 dB 0 1 0 0 0 4.0 dB 1 0 0 0 0 8.0 dB 1 1 1 1 1 15.5 dB
Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz Rev. V10 AT90-0283 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions is considering for development. Performance is based on target specifications, simulated results, and/or prototype measurements. Commitment to develop is not guaranteed. 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. Commitment to produce in volume is not guaranteed. VSWR @ Insertion Loss Attenuation Error, 0.5 dB Bit Attenuation Error, 1 dB Bit Typical Performance Curves Insertion Loss 1. 0 1. 5 2.0 2.5 3.0 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) Loss (dB) 1. 0 0 1. 2 5 1. 50 1. 75 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) VSWR Ratio Input Output -1 .0 -0.5 0.0 0.5 1. 0 0 500 1 000 1 500 2000 2500 3000 3500 F requency (M Hz) Error (dB) -1 .0 -0.5 0.0 0.5 1. 0 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) Error (dB) Attenuation Error, 4 dB Bit Attenuation Error, 2 dB Bit -1 .0 -0.5 0.0 0.5 1. 0 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) Error (dB) -0.5 0.0 0.5 1. 0 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) Error (dB)
Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz Rev. V10 AT90-0283 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions is considering for development. Performance is based on target specifications, simulated results, and/or prototype measurements. Commitment to develop is not guaranteed. 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. Commitment to produce in volume is not guaranteed. Attenuation Error, 8 dB Bit Attenuation Error, Max. Attenuation Typical Performance Curves VSWR, 0.5 dB Bit VSWR, 1 dB Bit -0.5 0.0 0.5 1. 0 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) Error (dB) -1 .0 0.0 1. 0 2.0 3.0 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) Error (dB) 1. 0 1. 2 1. 4 1. 6 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) VSWR Ratio Input Output 1. 0 1. 2 1. 4 1. 6 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) VSWR Ratio Input Output
Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz Rev. V10 AT90-0283 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions is considering for development. Performance is based on target specifications, simulated results, and/or prototype measurements. Commitment to develop is not guaranteed. 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. Commitment to produce in volume is not guaranteed. VSWR, 4 dB Bit VSWR, 8 dB Bit VSWR, Maximum Attenuation Typical Performance Curves 1. 0 1. 2 1. 4 1. 6 1. 8 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) VSWR Ratio Input Output 1. 0 1. 2 1. 4 1. 6 0 500 1 000 1 500 2000 2500 3000 3500 Fre qu e n cy (MHz ) VSWR Ratio Input Output 1. 0 1. 2 1. 4 1. 6 0 500 1 000 1 500 2000 2500 3000 3500 F requency (MHz) VSWR Ratio Input Output 1. 0 1. 2 1. 4 1. 6 1. 8 0 500 1 000 1 500 2000 2500 3000 3500 F requency (MHz) VSWR Ratio Input Output VSWR, 2 dB Bit
Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz Rev. V10 AT90-0283 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions is considering for development. Performance is based on target specifications, simulated results, and/or prototype measurements. Commitment to develop is not guaranteed. 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. Commitment to produce in volume is not guaranteed. CSP-1, 4 x 6 mm, 32-lead PQFN† † Reference Application Note M538 for lead-free solder reflow recommendations.