零件型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
---|---|---|---|---|
Octal Three-Level/Quad Five-Level High-Voltage 2A Digital Pulsers with T/R Switch GeneralDescription TheMAX14808/MAX14809octalthree-level/quadfivelevel,high-voltage(HV)pulserdevicesgeneratehighfrequencyHVbipolarpulses(uptoQ105V)fromlowvoltagecontrollogicinputsfordrivingpiezoelectrictransducersinultrasoundsystems.Alleightchannelshaveembeddedov | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Octal Three-Level/Quad Five-Level High-Voltage 2A Digital Pulsers with T/R Switch GeneralDescription TheMAX14808/MAX14809octalthree-level/quadfivelevel,high-voltage(HV)pulserdevicesgeneratehighfrequencyHVbipolarpulses(uptoQ105V)fromlowvoltagecontrollogicinputsfordrivingpiezoelectrictransducersinultrasoundsystems.Alleightchannelshaveembeddedov | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
八通道3級電平/四通道5級電平高壓2A數(shù)字脈沖發(fā)生器,帶T/R開關(guān); ? 節(jié)省空間(針對多通道系統(tǒng)/便攜系統(tǒng)設(shè)計) \n? 高密度\n? 八通道(三級電平模式)\n? 四通道(五級電平模式),單芯片封裝\n\n \n? 集成低功耗T/R開關(guān)(MAX14808)\n? DirectDrive?架構(gòu),無需外部高壓電容\n? 無需外部浮地電源(FPS)\n\n \n? 高性能(增強(qiáng)圖像質(zhì)量)\n? 5MHz下提供優(yōu)異的-43dBc(典型值)THD,二次諧波, \n? 同步功能,不受FPGA抖動影響,提高多普勒性能\n? 18ns(典型值)傳輸延遲\n? 有源歸零\n\n \n? 節(jié)約功耗\n? 低靜態(tài)功耗(5.7mW/通道,八通道模式)\n? 可編程電流功能\n? 關(guān)斷模式和禁止發(fā)送模式; MAX14808/MAX14809八通道3級電平/四通道5級電平高壓(HV)脈沖發(fā)生器,利用低壓控制邏輯輸入產(chǎn)生高頻、高壓雙極性脈沖(高達(dá)±105V),用于驅(qū)動超聲系統(tǒng)的壓電傳感器。所有八個通道均具有嵌入式過壓保護(hù)二極管和集成有源歸零箝位電路。兩款器件內(nèi)置獨(dú)立(浮地)電源(FPS)和電平轉(zhuǎn)換器,用于實現(xiàn)信號轉(zhuǎn)換,無需外部高壓電容。MAX14808有八個集成的發(fā)送/接收(T/R)開關(guān),MAX14809不帶T/R開關(guān)。器件具有兩種工作模式:八通道三級電平脈沖發(fā)生器(集成有源歸零箝位)或四通道五級電平脈沖發(fā)生器。作為八通道三級電平脈沖發(fā)生器時,每個通道由兩路邏輯輸入(DINN_/DINP_)控制,有源歸零箝位的電流為脈沖發(fā)生器的電流的一半,1A (典型值);作為四通道五級電平脈沖發(fā)生器時,每個通道由三路邏輯輸入控制,有源歸零的電流與脈沖發(fā)生器電流相同,2A (典型值)。器件可工作在鎖定或透明模式。鎖定模式下,數(shù)據(jù)輸入可與穩(wěn)定的差分或單端時鐘同步,以降低與FPGA輸出信號相關(guān)的相位噪聲,有助于多普勒分析;透明模式下,禁止同步功能,經(jīng)過18ns延時后輸出與輸入對應(yīng)的信號。兩款器件均具有可調(diào)節(jié)最大電流(0.5A至2A),不需要滿幅電流時可降低功耗。器件具有集成的高壓毛刺箝位二極管(低寄生電容),用于接收(Rx)和發(fā)送(Tx)隔離。兩款器件均具有阻尼電路,可在突發(fā)發(fā)送結(jié)束后立即激活。阻尼電路的典型導(dǎo)通電阻為500ΩΩ,對高壓毛刺箝位二極管之前的脈沖發(fā)生器輸出內(nèi)部節(jié)點完全放電。器件采用68引腳(10mm x 10mm) TQFN封裝,帶裸焊盤,工作在-40°CC至+85°CC擴(kuò)展級溫度范圍。\n\n \n\n | ADIAnalog Devices 亞德諾亞德諾半導(dǎo)體技術(shù)有限公司 | ADI | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Complete, Isolated RS-485/RS-422 Data Interface TheMAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490Barecomplete,electricallyisolated,RS-485/RS-422data-communicationsinterfacesolutionsinahybridmicrocircuit.Transceivers,optocouplers,andatransformerprovideacompleteinterfaceinastandardDIPpackage.Asingle+5Vsupplyo | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim |
技術(shù)參數(shù)
- # Input Channels:
8
- Conv. Rate (max)(ksps):
133
- Data Bus:
SPI
- ADC Architecture:
SAR
- Diff/ S.E. Input:
Both
- Internal VREF (nominal)(V):
2.5
- External VREF (min)(V):
1
- External VREF (max)(V):
5.25
- Unipolar VIN (max)(V):
2.5
- Bipolar VIN (max)(±V):
1.25
- SINAD(dB):
66
- THD(dB):
-70.0
- SFDR(dB):
70
- DNL(±LSB):
1
- INL(±LSB):
1
- AVDD (min)(V):
2.7
- AVDD (max)(V):
5.25
- IAVDD (typ)(mA):
1.6
- Smallest Available Pckg. (max w/pins)(mm2):
57.9
- RoHS Available:
Yes
- Oper. Temp.(°C):
-55 to +125
- Package/ Pins:
PDIP/20
- Budgetary Price (See Notes):
$4.38 @1k
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
MAXIM |
23+ |
NA |
25060 |
只做進(jìn)口原裝,終端工廠免費(fèi)送樣 |
詢價 | ||
MAXIM |
23+ |
DIP |
2990 |
全新進(jìn)口原裝現(xiàn)貨,價優(yōu) |
詢價 | ||
MAX |
12+ |
DIP8 |
4000 |
原裝現(xiàn)貨價格有優(yōu)勢量大可以發(fā)貨 |
詢價 | ||
24+/25+ |
1 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | ||||
MAXIM |
25+ |
SOP8 |
285000 |
保證有貨!質(zhì)優(yōu)價美!歡迎查詢!! |
詢價 | ||
MAXIM |
15+ |
DIP14 |
11560 |
全新原裝,現(xiàn)貨庫存,長期供應(yīng) |
詢價 | ||
MAXIM |
23+ |
SOP14 |
5500 |
現(xiàn)貨,全新原裝 |
詢價 | ||
MAX |
24+ |
SOP |
5000 |
原裝現(xiàn)貨,可開13%稅票 |
詢價 | ||
MAXIM |
24+ |
DIP-14 |
2560 |
絕對原裝!現(xiàn)貨熱賣! |
詢價 | ||
MAXIM |
17+ |
SOP-14 |
6200 |
100%原裝正品現(xiàn)貨 |
詢價 |
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