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參數(shù)資料
| 型號： | MAX14806ECM+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MUX DUAL 8CH HV 48LQFP |
| 應(yīng)用說明： | Ultrasound Imaging Systems Application Note |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 功能： | 開關(guān) |
| 電路： | 8 x SPST - NO，8 x SPST - NC |
| 導(dǎo)通狀態(tài)電阻： | 23 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
10 _____________________________________________________________________________________
MAX14805/MAX14806
16-Channel (Two Banks of 8-Channel),
High-Voltage Analog Switches
Detailed Description
The MAX14805/MAX14806 provide high-voltage switch-
ing on 16 channels for ultrasonic imaging. Both devices
are ideal for the following applications: bank selection in
biplane or triplane ultrasound probes and relays replace-
ment in medical ultrasound systems. The devices utilize
200V process technology to provide 16 high-voltage,
low-charge injection SPST switches, controlled by a
digital interface.
The MAX14805/MAX14806’s output switches are con-
figured as two sets of eight SPST analog switches. The
switches are controlled by two input logic controls, DIN1
and DIN2 (respectively for switch 0 to 7 and switch 8
to 15). The MAX14806 features integrated 40kI bleed
resistors on each switch terminal that help to reduce
voltage buildup in capacitive loads such as piezoelectric
elements.
The MAX14805/MAX14806 operate with a wide range of
high-voltage supplies, including VPP/VNN = +100V/-100V,
+200V/0V, and +40V/-160V. The digital interface oper-
ates from a separate VDD supply from +2.7V to +5.5V.
Digital inputs DIN1, DIN2, and LE operate on the VDD
supply voltage.
The MAX14805CCM+ is a drop-in replacement for the
Supertex HV2631. The MAX14806CCM+ is a drop-in
replacement for the Supertex HV2731.
Analog Switch
The MAX14805/MAX14806 allow a peak-to-peak analog
signal range from VNN to (VPP - 10V). During power-up
and power-down, all analog switch inputs (SW_) must be
unconnected or satisfy VNN P VSW_ P VPP.
High-Voltage Supplies
The MAX14805/MAX14806 allow a wide range of high-
voltage supplies. The devices operate with VNN from
-160V to 0V and VPP from +40V to (VNN + 220V). When
VNN is connected to GND (single-supply applications),
the devices operate with VPP up to +200V. The VPP and
VNN high-voltage supplies are not required to be sym-
metrical, but the voltage difference (VPP - VNN) must not
exceed 230V.
Bleed Resistors (MAX14806)
The MAX14806 features integrated 40kI bleed resis-
tors to discharge capacitive loads such as piezoelectric
transducers. Each analog switch terminal is connected
to GND with a bleed resistor.
Data Input (DIN1/DIN2)
DIN1/DIN2 control the on/off state of the analog switches.
DIN1 controls SW0–SW7 and DIN2 controls SW8–SW15
(see Table 1 and Figure 2). DIN1 and DIN2 operate on
the VDD supply voltage.
Latch Enable (LE)
Drive LE logic-low to latch DIN1/DIN2 data input (see
Figure 2). Drive LE logic-high to hold data. The LE input
operates on the VDD supply voltage.
Applications Information
For medical ultrasound applications, see Figures 3 and 4.
Supply Sequencing and Bypassing
The MAX14805/MAX14806 do not require special
sequencing of the VDD, VPP, and VNN supply voltages;
however, analog switch inputs must be unconnected or
satisfy VNN P VSW_ P VPP during power-up and power-
down. Bypass VDD, VPP, and VNN to GND with a 0.1FF
ceramic capacitor as close as possible to the device.
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| MAX14806ECM+ | 功能描述:模擬開關(guān) IC 8:1 2Ch High Voltage A Switch w/Bleed Res RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX14808ETK+T | 制造商:Maxim Integrated Products 功能描述:OCTAL THREE-LEVEL/QUAD FIVE-LEVEL HIGH-VOLTAGE 2A DIGITAL PU - Tape and Reel |
| MAX14809ETK+T | 制造商:Maxim Integrated Products 功能描述:OCTAL HV DIGITAL PULSER - Tape and Reel |
| MAX1480ACPI | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX1480ACPI+ | 功能描述:RS-422/RS-485 接口 IC Isolated RS-422/485 Data Interface RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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