HX711

HX711 ⬉ᄤ⾸ϧ⫼῵ᢳ᭄ᄫ˄$'˅䕀ᤶ఼㢃⠛ ㅔҟ ⡍⚍ +; 䞛⫼њ⍋㢃⾥ᡔ䲚៤⬉䏃ϧ߽ᡔᴃˈ ᰃϔℒϧЎ催㊒ᑺ⬉ᄤ⾸㗠䆒䅵ⱘ  ԡ $' 䕀 ᤶ఼㢃⠛DŽϢৠ㉏ൟ݊ᅗ㢃⠛Ⳍ↨ˈ䆹㢃⠛䲚 ៤њࣙᣀ〇य़⬉⑤ǃ⠛‫ݙ‬ᯊ䩳ᤃ㤵఼ㄝ݊ᅗৠ ㉏ൟ㢃⠛᠔䳔㽕ⱘ໪ೈ⬉䏃ˈ‫݋‬᳝䲚៤ᑺ催ǃ ડᑨ䗳ᑺᖿǃᡫᑆᡄᗻᔎㄝӬ⚍DŽ䰡Ԣњ⬉ᄤ ⾸ⱘᭈᴎ៤ᴀˈᦤ催њᭈᴎⱘᗻ㛑੠ৃ䴴ᗻDŽ 噝ϸ䏃ৃ䗝ᢽᏂߚ䕧ܹ 䆹㢃⠛Ϣৢッ 0&8 㢃⠛ⱘ᥹ষ੠㓪⿟䴲ᐌ ㅔऩˈ᠔᳝᥻ࠊֵো⬅ㅵ㛮偅ࡼˈ᮴䳔ᇍ㢃⠛ ‫ݙ‬䚼ⱘᆘᄬ఼㓪⿟DŽ䕧ܹ䗝ᢽᓔ݇ৃӏᛣ䗝প 䗮䘧 $ ៪䗮䘧 %ˈϢ݊‫ݙ‬䚼ⱘԢాໄৃ㓪⿟ᬒ ໻఼Ⳍ䖲DŽ䗮䘧 $ ⱘৃ㓪⿟๲ⲞЎ  ៪ ˈ ᇍᑨⱘ⒵乱ᑺᏂߚ䕧ֵܹোᐙؐߚ߿ЎfP9 ៪fP9DŽ䗮䘧 % ߭Ў೎ᅮⱘ  ๲Ⲟˈ⫼Ѣ㋏ 㒳খ᭄Ẕ⌟DŽ㢃⠛‫ᦤݙ‬կⱘ〇य़⬉⑤ৃҹⳈ᥹ ৥໪䚼Ӵᛳ఼੠㢃⠛‫ ⱘݙ‬$' 䕀ᤶ఼ᦤկ⬉ ⑤ˈ㋏㒳ᵓϞ᮴䳔঺໪ⱘ῵ᢳ⬉⑤DŽ㢃⠛‫ⱘݙ‬ ᯊ䩳ᤃ㤵఼ϡ䳔㽕ӏԩ໪᥹఼ӊDŽϞ⬉㞾ࡼ໡ ԡࡳ㛑ㅔ࣪њᓔᴎⱘ߱ྟ࣪䖛⿟DŽ 噝⠛‫ݙ‬Ԣాໄৃ㓪⿟ᬒ໻఼ˈৃ䗝๲ⲞЎ  ੠  噝⠛‫ݙ‬〇य़⬉䏃ৃⳈ᥹৥໪䚼Ӵᛳ఼੠㢃⠛‫ݙ‬ $' 䕀ᤶ఼ᦤկ⬉⑤ 噝⠛‫ݙ‬ᯊ䩳ᤃ㤵఼᮴䳔ӏԩ໪᥹఼ӊˈᖙ㽕ᯊ гৃՓ⫼໪᥹᱊ᤃ៪ᯊ䩳 噝Ϟ⬉㞾ࡼ໡ԡ⬉䏃 噝ㅔऩⱘ᭄ᄫ᥻ࠊ੠Іষ䗮䆃˖᠔᳝᥻ࠊ⬅ㅵ 㛮䕧ܹˈ㢃⠛‫ݙ‬ᆘᄬ఼᮴䳔㓪⿟ 噝ৃ䗝ᢽ +] ៪ +] ⱘ䕧ߎ᭄᥂䗳⥛ 噝ৠℹᡥࠊ +] ੠ +] ⱘ⬉⑤ᑆᡄ 噝㗫⬉䞣˄৿〇य़⬉⑤⬉䏃˅˖ ‫݌‬ൟᎹ԰⬉⌕˖P$ᮁ⬉⬉⌕˖P$ • Ꮉ԰⬉य़㣗ೈ˖ ~ 9 • Ꮉ԰⏽ᑺ㣗ೈ˖ ~ ć •  ㅵ㛮ⱘ 623 ᇕ㺙  VAVDD 10uF VSUP S8550 R2 2.7~5.5V R1 VFB Ӵᛳ఼ BASE VSUP DVDD AVDD INA+ Analog Supply Regulator DOUT INA- INB+ Input MUX Digital Interface 24-bit 6' ADC PGA Gain = 32, 64, 128 INBVBG Bandgap Reference PD_SCK To/From MCU RATE Internal Oscillator HX711 0.1uF AGND ೒ϔ XI XO HX711 ‫ݙ‬䚼ᮍḚ೒ Information contained in this document is for design reference only and not a guarantee. Avia Semiconductor reserves the right to modify it without notice. TEL: (592) 252-9530 (P. R. China) EMAIL: market@aviaic.com www.aviaic.com AVIA SEMICONDUCTOR