Ko te STMicroelectronics E-TDA7512 he kaiwhakahaere reo whanui motuhake nā runga i te hangarau RF, arā, he mea hoahoa mō ngā tono oro motohaki, e tuku ana i te kaha o te rongo reka mō ngā reo irirangi AM me FM. He mea hanga tēnei rorohiko kotahi hei whakarite i te mauri kaha i ngā taiao mōkī, motuhake, nō reira e taea ai te mahi pono i ngā āhua rerekē o te hau. Ko te temperatō o te mahi he -40°C ki te 85°C, nō reira e pea ai te whakamahi ahu whakamua i ngā āhua rerekē o te hau, nō reira he tangata pono mō ngā tono irirangi motohaki me ngā paepae oro.
Ko te taputapu he wāhanga o te mata hiri, kua tohungia ki te whare quad flat (64-LQFP), he rahi 10x10mm, nō reira ka taea te whakauru iti me te whaihua ki ngā pūnaha oro motokā. Nā tōna hoahoa matatau, ka taea te whakamahi mō ngā hangarau mō ngā reo irirangi AM me FM, arā, he wātea ki ngā tono rerekē o te tango reo irirangi.
Ko ngā āhuatanga hangarau matua ko te rārangi mana iona o te whare o te 7.5V ki te 10V me te rerenga rongo 70mA, e tohu ana i te whakamahi kaha o te pūngao. Ka taea te whakauru tika ki ngā papan whakamahinga whakaahuru ngā taputapu mata me ngā taputapu whakauru kaha, hei whakangāwari i te tāuta i ngā pūnaha oro motohaki.
Ko ngā painga nui o tēnei kaiwhakahaere reo RF ko tōna hoahoa iti, te tupono o te mahana nui, me tōna tino pai ki ngā pūnaha hiko motohaki. He tino pai mō ngā pūnaha reo irirangi me ngā ohaurau i ngā waka, ā, ka tukuna ngā tohu me ngā rongo pai, pono.
Ko te TDA7512 he paerewa RoHS, e tohu ana i te tiaki i ngā taiao me ngā paerewa haumaru. Ahakoa kāore i te kī ana i ngā tauira rite, ko ngā kaiwhakato pērā i a NXP, Qualcomm, me ērā atu he mea mōhiotia mō ngā hangarau RF peerārā, he kāwai te rite o ngā mahi.
He hangarau pānui whakawhirinaki mō ngā kairerua oro motohaki, e kimi ana i tētahi wāhanga tohu o te tohu, poto, me te whaihua e taea ai te mahi pono i roto i ngā taiao uaua o te waka.
E-TDA7512 (1)
E-TDA7512 Ngā āhuatanga hangarau matua
Ko ngā āhuatanga matua mō te hangarau o te E-TDA7512 ko tāna ake hoahoa taraiwa reo whanui, ngā takawaenga ngāwari mō te hono tuitui ki ngā pūrere pūkaha rorohiko, me te pai mō ngā whakamahinga i ngā waka. He mea hanga ki runga i te kāpia 64-LQFP hei whakarite mō te whakaurunga paku me te iti o te wāhi ka tohua, ā, ka taea te tautoko i te pāmahana operating mai i te -40°C ki te 85°C. Ko tōna hiko whakauru he pānga i te 7.5V ki te 10V, mō te whakamahinga rerekē o ngā pūnaha rongoro waka. Ka taea hoki te whakahaere i te rerenga o te hiko tae atu ki te 70mA kia pumau ai te mahi i ngā taiao tino uaua.
E-TDA7512 Rahi uta
Ko te momo tāke he pēnei i te Rānei, he rākau he rauemi kore huka rārangi rākau. Ko te rahi he 64-TQFP (10x10), ā, ko te hoahoahāngai pin he 64-LQFP. Ko ngā āhuatanga pāmahana: nō te operating temperature -40°C ki te 85°C. Ko ngā hiko whaihua: he vae rerenga hiko - Supply he 7.5V ki te 10V.
E-TDA7512 Taupānga
He whakamahinga o te E-TDA7512 mō te oro waka, whakahaere reo i roto i ngā waka, ngā rōpū reo tūturu mō te waka, me ngā pūnaha reo pambiri waka.
E-TDA7512 Ngā waahanga whaihua
Ko te E-TDA7512 he kaiwhiwhi RF tino hangaia mō ngā tono reo o te AM me FM i ngā waka. He makawe mahi pāpāho pai me te hoahoa rōpū taumaha (surface mount), he ngawari mō te whakamahinga i ngā waka. Kei roto i te kāpia 64-LQFP koa, nō reira he iti noa te wāhi ka whakamahia, ā, ka taea te hanga i ngā waka rongoā whai pānga nui ki te taiao. Kei te mahi i raro i te pāmahana -40°C ki te 85°C, he taupua te mahi i ngā wā uaua. Ko te hiko whakauru he 7.5V ki te 10V, he mea pai mō ngā pūnaha oro waka rerekē. Hei tāpiri, ka taea te whakahaere i te rerenga hiko tae atu ki te 70mA kia pumau ai te whakahaere i ngā tono o te reo.
E-TDA7512 Ngā āhuatanga kounga me te haumaru
Ka āhei te tono ki te tirotiro i te rarangi wāhanga kia ū ki ngā paerewa RoHS, hei whakarite mehemea e tutuki ana te hua ki ngā ture taiao me ngā paerewa haumaru hou. Ko te whakaurunga mō te kounga me te haumaru he tino mātua kia whakamarama i te pono tōmua o te hua.
E-TDA7512 Taurite
He pai mō te hono ki ngā pūtahi PCB me ngā taha hono antenna surface mount. Kei te tautoko hoki i ngā āhua AM, FM, me ngā tikanga whakahaere reo mō ngā pūnaha reo waka e whai uara ana mō te taiao uaua, me ngā tautoko mō ngā tikanga whakarite rongoā me ngā whakahaere hiko o ngā waka.
E-TDA7512 Kōnae PDF raraunga matua
Ka taea e koe te tiki i te datasheet tino pai me te waihanga mō te E-TDA7512 kei tā mātou paetukutuku. E tūtohutia ana kia tango i te datasheet i runga i tēnei whārangi mō ngā pārongo taipitopito me ngā ārahina mō te whakamahi.
Tohonga kounga
Ko IC-Components he kaihautū kounga teitei, he rauemi pūmua mō te E-TDA7512 nō STMicroelectronics. Mā te whiwhi i tētahi utu rātou ko te utu i runga i tā mātou paetukutuku, ka taea e koe te rangatira i ngā wāhanga teitei rawa, mō te kounga me te roa o ngā rawa ka riro māu.






