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AT90-1413 Dataheets PDF



Part Number AT90-1413
Manufacturers Tyco Electronics
Logo Tyco Electronics
Description Digital Attenuator/ 15 dB/ 4-Bit/ TTL Driver/ DC - 4.0 GHz
Datasheet AT90-1413 DatasheetAT90-1413 Datasheet (PDF)

Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz V 1.00 AT90-1413 Features n n n n n n n n CSP-1 Attenuation: 1 dB Steps to 15 dB Single Positive Supply Contains Internal DC to DC Converter Small Footprint, JEDEC Package Integral TTL Driver 50 Ohm Impedance Test Boards Available Tape and Reel Packaging Available Description M/A-COM’s AT90-1413 is a GaAs FET 4-Bit digital attenuator with integral driver. Step size is 1 dB providing a 15 dB attenuation range. This device is in an FQ.

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Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz V 1.00 AT90-1413 Features n n n n n n n n CSP-1 Attenuation: 1 dB Steps to 15 dB Single Positive Supply Contains Internal DC to DC Converter Small Footprint, JEDEC Package Integral TTL Driver 50 Ohm Impedance Test Boards Available Tape and Reel Packaging Available Description M/A-COM’s AT90-1413 is a GaAs FET 4-Bit digital attenuator with integral driver. Step size is 1 dB providing a 15 dB attenuation range. This device is in an FQFP-N plastic surface mount package. The AT90-1413 is suited for single supply applications where accuracy, fast speed, low power consumption and low costs are required. Electrical Specifications: TA = 25°C Parameter Insertion Loss Attenuation Accuracy VSWR Switching Speed 1 dB Compression Input IP3 +Vcc Logic “0” Logic “1” Icc Test Conditions — Individual Bits or Combination of Bits Full Attenuation Range 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% — Two-tone Inputs up to +5 dBm — Sink Current is 20 µA max. Sink Current is 20 µA max. Vcc min to max, Logic “0” or “1” Frequency DC-2.5 GHz DC-4.0 GHz DC-2.5 GHz DC-4.0 GHz DC-2.5 GHz DC-4.0 GHz — — 50 MHz 0.5-4.0 GHz 50 MHz 0.5-4.0 GHz — — — — Units dB dB dB dB Ratio Ratio nS nS dB dB dB dB V V V mA Min. — — — — — — — — — — — — 4.75 0.0 2.0 — Typ. 2.0 2.5 — — 1.5:1 1.8:1 75 20 +21 +29 +35 +48 5.0 — — 6 Max. 2.5 3.0 ±(0.3+4% of atten setting) ±(0.3+6% of atten setting) 1.8:1 2.0:1 150 50 — — — — 5.25 0.8 5.0 10 Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 4.0 GHz Pin Configuration Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1. 2. 3. 4. 5. Function GND C8 C4 C2 C1 GND GND N/C N/C N/C1 GND RF1 GND N/C N/C N/C Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Function N/C N/C +Vcc 2 N/C Cp 4 N/C Cp 4 N/C -Vee 3 GND RF2 GND N/C1 -Vee 3,5 N/C +Vcc 2,6 AT90-1413 V 1.00 Recommended PCB Layout 7 7. Application Note C2083 is available on line at www.macom.com Pins 10 & 29 must be isolated. Pin 19 must be connected to Pin 32. Pin 25 must connect to Pin 30. A .01 µF cap must be connected between Pins 21 and 23. -Vee is produced internally and requires a .1 µF cap to GND 6. +Vcc requires a .1 µF cap to GND. Absolute Maximum Ratings 8 Parameter Absolute Maximum +27 dBm +34 dBm +5.5V 9 Truth Table C8 0 0 0 0 1 1 C4 0 0 0 1 0 1 C2 0 0 1 0 0 1 C1 0 1 0 0 0 1 Attenuation Loss, Reference 1.0 dB 2.0 dB 4.0 dB 8.0 dB 15.0 dB Max. Input Power 0.05 GHz 0.5 - 4.0 GHz +Vcc Logic Voltages -0.5 to +Vcc + 0.5V -40°C to +85°C -65°C to +125°C Operating Temperature Storage Temperature 0 = TTL Low; 1 = TTL High 8. Operation of this device above any one of these parameters may cause permanent damange. 9. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 2 Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.


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