AT90-0001 datasheet pdf

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Oct 22, 2025, 03:25 PM

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AT90-0001 datasheet pdf

Datasheet Information

Pages: 3

Digital Attenuator, 31.0 dB, 5-Bit, TTL Driver, DC-6.0 GHz AT90 - 0001

CSP-1 V 5.00 Features nAttenuation: 1.0 dB Steps to 31 dB nHigh Accuracy to 6 GHz nSmall Footprint, JEDEC Package nIntegral TTL driver n50 ohm impedance nTest boards are available nTape and Reel Packaging Available

Two-tone inputs up to +5 dBm 50 MHz 0.5-6.0 GHz dB dB โ€” โ€” +37 +48 โ€” โ€” Vcc -Vee โ€” โ€” โ€” โ€” V V 4.75 -8.0 5.0 -5.0 5.25 -4.75 Switching Speed 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% โ€” โ€” nS nS โ€” โ€” 25 15 โ€” โ€” Logic "0" Logic "1" Sink Current is 20 ฮผA Max. Source Current is 20 ฮผA Max. โ€” โ€” V V 0.0 2.0 - - 0.8 5.0 Icc Vcc min to max, Logic โ€œ0โ€ or 1โ€ โ€” mA โ€” 0.2 6 -Iee Vee min to max, Logic โ€œ0โ€ or 1โ€ โ€” mA โ€” -0.2 -1

Specifications
Description M/A-COMโ€™s AT90-0001 is a GaAs FET 5-bit digital at- tenuator with an integral TTL driver. Step size is 1.0 dB providing 31 dB total attenuation range. This device is in a 32 lead FQFP-N surface mount package. Due to superior grounding techniques this digital attenuator offers superior performance to 6 GHz. The AT90-0001 is ideally suited for use where accuracy, fast speed, very low power consump- tion and low costs are required. Electrical Specifications

Parameter Test Conditions Frequency Units Min Typical Max Insertion Loss โ€” DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz dB dB dB โ€” โ€” โ€” 2.5 3.3 5.0 3.1 3.8 5.8 Attenuation Accuracy 1 to 24 dB Bits 25 to 31 dB Bits DC - 6.0 GHz DC - 6.0 GHz dB dB โ€” โ€” โ€” โ€” ยฑ(0.3 +4% of atten.) ยฑ(0.3 +5% of atten.) VSWR Full Range DC - 2.0 GHz DC - 6.0 GHz Ratio Ratio โ€” โ€” 1.4:1 1.7:1 1.7:1 2.4:1 1 dB Compression โ€” โ€” 50 MHz 0.5 - 6.0 GHz dBm dBm โ€” โ€” +22 +28 โ€” โ€” Input IP2 Two tone inputs to +5 dBm 50 MHz 0.5 - 6.0 GHz dBm dBm โ€” โ€” +43 +60 โ€” โ€” Input IP3

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