HE754 B O WEI 6-Bit Digital Step Attenuators BOWEI INTEGRATED CIRCUITS CO.,LTD. Typical Performance Insertion Loss VS. Frequency 0 Ta=+85℃ Ta=+25℃ Ta=-55℃ I . L(dB) -1 Features Range:200～2000MHz attenuation:31. 5dB,step:0.5dB ●Accurate attenuation ●Hermetic package DIP-16 ●Operating temperature range : -55℃ ～+85℃ ●Frequency -3 ●Maximum Frequency(MHz) Attenuation VS. Frequency Broadband fO MHz △f MHz Typical Guaranteed – 200～2500 200 100 Insertion loss I. L dB 2～5 – Attenuation step Att 0. 5 – VSWR dB – – dB VSWR 2.0:1 1.5:1 ±0.3(0.5 1 2 4 dB) – ±0.5(8 16 ) 31 .5±0.5 31.5±1.0 Attenuation Accuracy Attenuation(Max) AMax dB Control voltage – – TTL – Control Current Icc mA 110 – 0.5dB 1dB 8 7 6 5 4 3 2 1 9 10 11 12 13 14 15 16 DIP - 16 2dB 4dB 8dB 10 15 16dB 20 25 30 31.5dB 35 1250 1450 1350 Frequency(MHz) VSWR VS . Frequency VSWRo 2.2 Absolute Maximum Ratings DC Supply: +6VDC Input Power:+20dBm Storage Temp:+125℃ 5 Attenuation(dB) Frequency Range Unit 0 VSWR Symbol 1450 1350 1250 Specifications( measured in a 50Ωsystem ,Vcc=±5V, TA=-55℃～+85℃) Parameter -2 VSWRi 1.8 1.4 1250 1450 1350 Frequency(MHz) HEXXX Application Notes PIN Connection PIN Function 16dB 1 8dB 2 + 5V 3 4dB 4 2dB 5 -5V 6 6.Please add power first when use,make sure control port contact with low level 1 . Specificed frequency rang, attenuation Packages are available 2 . Interexchangable input and output ports 3 . Logic 0:Insertion Loss ; Logic 1:Attenuation 4 . Custom attenuation is available 5.ESD observe handing precautions PIN Function 7 1 . 0dB 8 0 . 5dB Input 9 16 Output 10～15 Gnd ● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:[email protected] 23