AD7734BRUZ 4 Single ƙare Ch +/- 10V shigar da 24B SD ADC
♠ Ƙayyadaddun bayanai
| Siffar Samfur | Siffar Darajar |
| Mai ƙira: | Analog Devices Inc. |
| Rukunin samfur: | Analog zuwa Digital Converters - ADC |
| Jerin: | AD7734 |
| Salon hawa: | SMD/SMT |
| Kunshin / Harka: | TSSOP-28 |
| Ƙaddamarwa: | 24 bit |
| Adadin Tashoshi: | 4 Channel |
| Nau'in Mu'amala: | 3-Way, Microwire, SPI |
| Yawan Samfura: | 15.4 kS/s |
| Nau'in shigarwa: | Ƙarshen Ƙarshe |
| Gine-gine: | Sigma-Delta |
| Analog Supply Voltage: | 4.75 zuwa 5.25 V |
| Kayan Wutar Lantarki na Dijital: | 2.7 V zuwa 3.6 V, 4.75 V zuwa 5.25 V |
| Mafi ƙarancin zafin aiki: | -40 C |
| Matsakaicin Yanayin Aiki: | + 105 C |
| Marufi: | Tube |
| Alamar: | Analog na'urorin |
| Kit ɗin Ci gaba: | Saukewa: EVAL-AD7734EBZ |
| Kuskuren Riba: | +/- 0.5% FSR |
| Tsayi: | 1.05 mm |
| INL - Haɗin Kai: | +/- 0.006 % FSR |
| Input Voltage: | 5V/10V, +/- 5V/+/- 10V |
| Tsawon: | 9.7 mm |
| Adadin abubuwan shigar ADC: | 4 Shigarwa |
| Adadin masu canzawa: | 1 Mai juyawa |
| Wutar Lantarki Mai Aiki: | 5 V |
| Pd - Rashin Wutar Lantarki: | 100mW |
| Amfanin Wuta: | 85mW ku |
| Nau'in Samfur: | ADCs - Analog zuwa Masu Canza Dijital |
| Nau'in Magana: | Na waje |
| Misali da Rike: | No |
| Yawan Kunshin Masana'anta: | 50 |
| Rukuni: | Data Converter ICs |
| Ƙarfin Ƙarfafawa - Max: | 5 V |
| Samar da Wutar Lantarki - Min: | 5 V |
| Nisa: | 4.4 mm |
| Nauyin Raka'a: | 0.014215 oz |
♠ Bayanin samfur
AD7734 babban madaidaici ne, babban ƙarshen gaban analog na kayan aiki. Gaskiya 16-bit pp ƙuduri yana samuwa tare da jimlar lokacin jujjuyawar 500 μs (canzawar tashar tashoshi 2 kHz), yana mai da shi dacewa da babban ƙuduri aikace-aikacen multixing.
Ana iya saita na'urar ta hanyar ƙirar dijital mai sauƙi, wanda ke ba masu amfani damar daidaita aikin amo akan abubuwan da aka samar da bayanai har zuwa 15.4 kHz.
Ƙarshen gaban analog ɗin yana fasalta tashoshi na shigarwa guda huɗu masu ƙarewa guda ɗaya tare da jeri na shigarwar unipolar ko na gaskiya zuwa ± 10 V yayin aiki daga wadatar analog +5 V guda ɗaya. Na'urar tana da ikon gano wuce gona da iri kuma tana karɓar wuce gona da iri na analog ɗin shigarwa zuwa ± 16.5 V ba tare da ƙasƙantar da aikin tashoshin da ke kusa ba.
Abubuwan shigar da mabambantan ra'ayi yana fasalta ikon gano iyawar "Babu-Reference. ADC kuma tana goyan bayan kowane zaɓin daidaita tsarin tashoshi. Za'a iya saita ƙirar siriyal na dijital don aiki na waya 3 kuma yana dacewa da microcontrollers da masu sarrafa siginar dijital. Duk abubuwan shigar da keɓancewa suna jawo Schmitt.
An kayyade na'urar don aiki akan iyakar zafin masana'antu na -40 ° C zuwa + 105 ° C.
Sauran na'urori a cikin dangin AD7734 sune AD7732 da AD7738.
AD7732 yayi kama da AD7734, amma ƙarshen gaban analog ɗinsa yana da cikakkun tashoshi na shigarwa guda biyu daban-daban.
Ƙarshen gaban analog na AD7738 ana iya daidaita shi don cikakken bambanci huɗu ko tashoshi guda takwas masu ƙarewa guda ɗaya, fasali 0.625 V zuwa 2.5 V bipolar / unipolar jeri na shigarwa, kuma yana karɓar ƙarfin shigar da yanayin gama gari daga 200 mV zuwa AVDD - 300mV.
Ana fitar da fitarwa na multixer AD7738 a waje, yana bawa mai amfani damar aiwatar da riba mai iya shirye-shirye ko yanayin sigina kafin a yi amfani da shi zuwa ADC.
• Babban mai canzawa analo-to-dijital (ADC)
24 bits babu lambobin da suka ɓace
± 0.0025% rashin daidaituwa
• An inganta don saurin sauyawa tashoshi
18-bit pp ƙuduri (21 raƙuman tasiri) a 500 Hz
16-bit pp ƙuduri (19 raƙuman tasiri) a 2 kHz
14-bit pp ƙuduri (18-bit mai tasiri) a 15 kHz
• On-chip kowane tsarin daidaita tsarin tashoshi
4 shigarwar analog mai ƙarewa ɗaya
Matsakaicin shigarwar +5 V, ± 5 V, +10 V, ± 10 V
Mai jurewa overvoltage
Har zuwa ± 16.5 V baya shafar tashar da ke kusa
Har zuwa ± 50 V cikakken iyakar
• 3-waya serial dubawa
SPI, QSPI™, MICROWIRE, da DSP masu jituwa
Schmitt yana haifar da shigar da dabaru
• Aiki guda ɗaya
5V Analog
3V ko 5V dijital wadata
• Kunshin: 28-gubar TSSOP
PLCs/DCS
Multiplexing aikace-aikace
Sarrafa tsari
Kayan aiki na masana'antu
