HE751A B O WEI 6-Bit Digital step Attenuators BOWEI INTEGRATED CIRCUITS CO.,LTD. Typical Performance I . L(dB) Insertion Loss VS. Frequency Features Range:50～500MHz attenuation:63dB ●Accurate attenuation ●Hermetic package DIP-16 ●Operating temperature range : -55℃ ～+85℃ Ta=+85℃ Ta=+25℃ Ta=-55℃ -3 -4 -5 ●Frequency 10 100 200 500 400 300 ●Maximum Frequency(MHz) VSWR VS. Frequency Guaranteed Typical MHz 50～500 30～500 I.L dB 6.0 4.5 Attenuation Range A dB 63±2 63±1 Attenuation step – dB 1 Attenuation Accuracy – dB Frequency Range fL～fH Insertion loss VSWR Unit ±0.1 ±0.2 ±0.3(1,2,4 dB) ±0.5(8,16,32 dB) V co – TTL – Control Current Icc mA ２ .5(T on ) – 2.5(T off ) – 100 200 300 500 400 Attenuation VS. Frequency 1.5:1 us 1.0 10 0 2.0:1 t 1.2 1 – Switching speed T on 1.4 Frequency(MHz) VSWR Control voltage 1.6 Attenuation(dB) Parameter VSWR Specifications( measured in a 50Ωsystem ,Vcc=±5V, TA=-55℃～+85℃) Symbol VSWRo VSWRi 1.8 1dB 2dB 4dB 8dB 10 16dB 20 30 32dB 10 15 100 200 300 400 500 Frequency(MHz) PIN Connection Absolute Maximum Ratings DC Supply: +6VDC Input Power:+20dBm Storage Temp:+125℃ 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 PIN Function 8 7 6 5 3 2 PIN Function 1dB 4 V CC 2dB 9 RFi 4dB 16 10 - 15 GND 1 N/C 8dB 16dB RFo 32dB HEXXX 6.Please add power first when use,make sure control port contact with low level ● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:[email protected] 20