HE751-0.25 B O WEI 6-Bit Digital step Attenuators BOWEI INTEGRATED CIRCUITS CO.,LTD. Typical Performance Insertion Loss VS. Frequency I . L(dB) -3 Features Range:30～500MHz film coustraction ●Hermetic package DIP-16 ●Operating temperature range : -55℃ ～+85℃ ●Frequency Typical 30～500 30～500 dB 6.0 5.0 Att dB 31.75±0.5 31.75±0.2 dB 0 . 25 , 0 . 5 , 1 , 2 , 4 , 8 , 16 0 . 25 , 0 . 5 , 1 , 2 , 4 , 8 , 16 – Attenuation step dB ±0. 1 ±0. 2 VSWR – 2.0: 1 1. 3:1 V co – TTL – Switching speed T on t us 3.0 2. 0 DC Current Icc mA “ △ ” Measured at TC=24±1℃ 20 15 VSWR Control voltage – VSWRo 1.6 VSWRi 1.4 1.2 500 250 Frequency(MHz) Attenuation VS. Frequency 0 0.25dB 0.5dB 1dB 2dB 4dB 5 8dB 10 15 16dB 500 250 15 Frequency(MHz) PIN Connection Absolute Maximum Ratings DC Supply: +6VDC Input Power:+20dBm Storage Temp:+125℃ 1.8 1.0 15 ±0.15(0.25,0.5,1,2) ±0. 3 ( 4 ,8,16, ) Attenuation Accuracy VSWR Guaranteed I.L Attenuation 500 250 VSWR VS. Frequency Attenuation(dB) Insertion loss Ta=+85℃ Ta=+25℃ Ta=-55℃ Frequency(MHz) Specifications( measured in a 50Ωsystem ,Vcc=+5V, TA=-55℃～+85℃) Symbol Unit Frequency Range fL～fH MHz -6 15 ●Thin Parameter -4 -5 8 7 6 5 4 3 2 1 9 10 11 12 13 14 15 16 DIP-16 Application Notes 1 . Specificed frequency rang, attenuation packages are available 2 . Interexchangable input and output ports 3 . Logic 0:Insertion Loss ; Logic 1:Attenuation 4 . M i nimun attenuation step 0. 5dB and 6 bits digital attenuator is available 5.ESD observe handing precautions 6.Please add power first when use,make sure control port contact with low level PIN Function 8 7 6 5 3 2 PIN Function 0 . 5dB 1 8dB 1dB 9 RFi 2dB 4dB 16 10 - 15 0 . 25dB 4 RFo GND V CC 16dB HEXXX ● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:[email protected] 19