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KAT1108E Datasheet(PDF) 1 Page - Integrated Device Technology |
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KAT1108E Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 22 page  6 Bit Digital Step Attenuator 1 MHz to 4000 MHz Glitch-FreeTM, Digital Step Attenuator 1 Rev 1, May 2017 IDTF1912NCGI Datasheet GENERAL DESCRIPTION This document describes the specification for the IDT F1912 Digital Step Attenuator. The F1912 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications. These devices are offered in a compact 4mm x 4mm 20 pin QFN package with 50Ω impedances for ease of integration. COMPETITIVE ADVANTAGE Digital step attenuators are used in Receivers and Transmitters to provide gain control. The F1912 is a 6-bit step attenuator optimized for these demanding applications. The silicon design has very low insertion loss and low distortion (> +60 dBm IIP3.) The device has pinpoint accuracy. Most importantly, the F1912 includes IDT’s Glitch-FreeTM technology which results in low overshoot & ringing during MSB transitions. Glitch-FreeTM Technology so PA or ADC will not be damaged during when transitions. Extremely accurate with low distortion. Lowest insertion loss for best SNR APPLICATIONS Base Station 2G, 3G, 4G, TDD radio cards Repeaters and E911 systems Digital Pre-Distortion Point to Point Infrastructure Public Safety Infrastructure WIMAX Receivers and Transmitters Military Systems, JTRS radios RFID handheld and portable readers Cable Infrastructure ORDERING INFORMATION FEATURES Serial & 6 bit Parallel Interface 31.5 dB Control Range 0.5 dB step Glitch-FreeTM, low transient overshoot 3.0 V to 5.25 V supply 1.8 V or 3.3 V control logic Attenuation Error < 0.22 dB @ 2 GHz Low Insertion Loss < 1.6 dB @ 2 GHz Ultra linear IIP3 >+59.5 dBm IIP2 = +110 dBm typical Stable Integral Non-Linearity over temperature Low Current Consumption 550 µA typical -40 °C to +105 °C operating temperature 4mm x 4mm Thin QFN 20 pin package FUNCTIONAL BLOCK DIAGRAM Part# Details Part# Freq Range (MHz) Resolution / Range (dB) Control IL (dB) Pinout F1950 150 - 4000 0.25 / 31.75 Parallel & Serial 1.3 PE43702 PE43701 F1951 100 - 4000 0.50 / 31.5 Serial Only 1.2 HMC305 F1952 100 – 4000 0.50 / 15.5 Serial Only 0.9 HMC305 F1953 400 – 4000 0.50 / 31.5 Parallel & Serial 1.3 PE4302 DAT-31R5 F1956 1 - 4000 0.25 / 31.75 Parallel & Serial 1.4 PE43705, RFSA3715 F1912 1 – 4000 0.50 / 31.5 Parallel & Serial 1.4 PE4312 PE4302 Decoder RF1 RF2 D[5:0] SPI Bias CLK DATA LE VMODE Glitch-FreeTM Glitch-FreeTM IDTF1912NCGI8 0.8 mm height package Green Tape & Reel Omit IDT prefix RF product Line |
Similar Part No. - KAT1108E |
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Similar Description - KAT1108E |
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