Ko te SN75C1167DBR he kaiwhiwhi-kōrero (transceiver) tūturuite whakamahi ngā mahi nui, i hangaia e Texas Instruments (i mua i rā ko Luminary Micro). He mea hanga motuhake mō ngā paerewa kōrero RS422 me RS485, e whakaū ana i ngā taumata kaha o te maukaha me ngā whakahaere haumaru i ngā ratonga hangahanga, pou telekomunikātiona hoki. Ko tēnei rorohiko whakanikoo hangaia he rongoā ngawari, tohungahau mō te whakawhiti kōrero āhua pātea ā-ara, he whāiti, he pūmau hoki.
E āhei ana te taputapu ki te whakahaere i ngā ara rua me ngā kaiwhiwhi rua, hei whakaū i te whakawhiti raraunga tāritea, ki ngā taiao hihiko kino. Ko tana whai 16-pini SSOP (Small Shrink Outline Package) he tino pai mō ngā pūnaha hiko iti, e hiahiatia ana mō te whakauru-a-ara pono, he pai hoki mō ngā pūnaha hiko me te nuinga ki ngā taiao nui, iti rānei.
Nā reira, e whakahaere ana i te āhua o te mana supplies mai i te 4.5V ki te 5.5V, ka puta he pūkenga whakaatu pērā i te hysteresis o te kaiwhiwhi ki te 60mV, hei whakarei ake i te tika o ngā tohu me te aukati i ngā parahanga. He āhua RoHS runga ake hoki ōna, he mea hanga hoki ki te mahi pono i ngā pāmahana o ngā ahumahi i waenga i te 0°C ki te 70°C.
Ngā painga nui ko te āhei ki te mahi half-duplex, kia taea ai te whakawhiti kōrero tāritea i runga i tētahi ara anake, ngā āhuatanga kakama hiko pērā i ngā paerewa RS422 me RS485, me te iti o te whakamahinga kaha. He tūao tenei mō ngā whakawhitinga raraunga ā-rohe, ngā taputapu telekomunikātiona, ngā hanganga mōrearea whatu, me ngā pūnaha whakahaere i roto i ngā umanga, e rapu ana i te kōrero ka taea te whakawhiti i ngā tawā roa, pono hoki.
Ko ngā tauira rōpū, ngā tauira hoki e whai wāhi ki tēnei āhua, pērā i:
MAX3488 (Maxim Integrated)
SP3485EN-L (Exar Corporation)
ADM3485ARQZ (Analog Devices)
THVD1500DR (Texas Instruments)
Ko ēnei tauira kiritaki he rite tō rākau hiko, ka taea te whakamahi hei whakakī i ngā kaupapa haumaru, kia rite hoki te mōhiotanga ki ngā hiahia o te pūnaha motuhake.
Ko te taumata mōkihi matepukupuku o te hua he 1, e tohu ana kāore he rohe here mō te mau iho o ngā kaihoko, ā, he pai mō te whakawhirinaki me te whakatumatuma i ngā mahi hanga me ngā whakamahinga o ngā wāhi hanga.
SN75C1167DBR Ngā āhuatanga hangarau matua
Ko ngā āhuatanga hangarau matua o te SN75C1167DBR he tauira whakawhiti kōrero e hono ana i ngā paearu RS422 me RS485. Ko te tau wāhanga nākai: SN75C1167DBR, nā te kamupene Luminary Micro / Texas Instruments. He momo whakawhiti kōrero e taea ana te whakahaere i ngā paearu hauraro roa, me ngā taputapu e rua o ngā kaiwhakahaere me ngā kaiwh receiving, hei whakarite kia taea te whakawhitiwhiti kōrero pūmau, ā, whai wāhi ki ngā whakaritenga mō ngā pūnaha whakawhiti kōrero kaha, pono hoki.
SN75C1167DBR Rahi uta
Ko te momo pēke: SSOP16. Ko te pēke taputapu mōkihi: 16-SSOP. Ko te pākahiko / kehua: 16-SSOP (0.209 inhi, 5.30mm te whāiti). Ko te momo pēke: Digi-Reel, hei whakapaea i ngā āwhina hei tāpiri, hei whakawhānui hoki i ngā taputapu i roto i ngā whakaritenga paerewa o te whakaputa.
SN75C1167DBR Taupānga
Ko te tono matua mō te SN75C1167DBR ko ngā whakamahinga e hiahiatia ana mō te whakawhiti kōrero tere nui i waenga i ngā ara whakawhiti rerekē i roto i ngā paearu RS422 me RS485. E tika ana tēnei taputapu mō ngā pūnaha e hiahia ana ki te tukuna raraunga i ngā āhua uaua, heoi anō ka taea hoki te whakamahi i ngā taupānga e hāngai ana ki te whakawhiti raraunga tere tere.
SN75C1167DBR Ngā waahanga whaihua
Ko te SN75C1167DBR he taputapu whakawhiti kōrero takirua e tautoko ana i te whakawhiti hauraro hauraro-mate ki ngā paearu RS422 me RS485. Ka whakahaerehia pai te mahi i raro i te pēhanga pākahiko 4.5V ki te 5.5V. E rua ngā kaiwhakahaere me ngā kaiwh receiving, ā, he mea pai mō ngā pūnaha whakawhiti kōrero e hiahia ana ki te whakawhitiwhiti pūmau, kaha hoki. Ko te hysteresis o te kaiwh receiving 60mV e whakamana ana i te aukati kirirarau me te whakapai ake i te kounga o te tohu. Ko te taumata awangawanga Maroke (MSL) 1 e tohu ana i te oranga roa, ā, he tino tika mō ngā wāhi whānui.
SN75C1167DBR Ngā āhuatanga kounga me te haumaru
Ko te taputapu nei e ū ana ki ngā paerewa RoHS, e whakarite ana he waipēne kore parahi. Ko te taumata awangawanga maroke 1 e tohu ana i te āhua manawanui nui, me te roa atu o te whakamahinga i raro i ngā āhuatanga taiao noa.
SN75C1167DBR Taurite
He pai ki ngā atu hua interface RS485 me RS422, ā, he hoahoa kia pai te tāpiro ki ngā paerewa whakawhiti kōrero nei kia kore ai te raru ki te whakauru ki ngā pūnaha rerekē. E tautoko ana hoki i te ūmanga me ngā tākuta o ngā paearu whakawhiti rawa, kāore he raruraru mō te whakauru ngātahi.
SN75C1167DBR Kōnae PDF raraunga matua
Ka hoatu e mātou te kawenata tino pērā i ngā mōhiotanga hōu rawa mo te SN75C1167DBR i runga i tā mātou paetukutuku mō ngā taipitopito taipitopito me ngā tohutohu whakamahinga. Ko te tono kia tikiake i tēnei data sheet he tūmomo e ngākaunuitia ana mō ngā kiritaki kia whai mōhiotanga pōturi, mō te tika hoki o ngā mōhiatanga hangarau.
Tohonga kounga
Ko IC-Components he kaiwhakarato rāranga nui mō ngā hua a Luminary Micro / Texas Instruments, tae atu ki te SN75C1167DBR. Ko tā mātou koha he tautoko i ngā kiritaki ki te tiki i ngā wātea kounga runga rawa. E karangahia ana mātou kia tono, tikiake hoki i ngā utu, ki tō paetukutuku hei whakautu pai mō ngā hua kounga tiketike me ngā ratonga kiritaki tino pai.




