Datasheet > MAX14803A

MAX14803A

更新时间： 2024-11-24 02:50:39

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	871K
描述
Low-Charge Injection, 16-Channel, High-Voltage Analog Switches

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MAX14803A 数据手册

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MAX14802/MAX14803/

MAX14803A

Low-Charge Injection, 16-Channel,

High-Voltage Analog Switches

General Description

Features

The MAX14802/MAX14803/MAX14803A provide high-

voltage switching on 16 channels for ultrasonic imaging

and printer applications. The devices utilize HVCMOS

process technology to provide 16 high-voltage low-

charge-injection SPST switches, controlled by a digital

interface. Data is clocked into an internal 16-bit shift reg-

ister and retained by a programmable latch with enable

and clear inputs. A power-on reset function ensures that

all switches are open on power-up.

● Integrated Overvoltage Protection

● 20MHz Serial Interface (5V)

● HVCMOS Technology for High Performance

● Individually Programmable High-Voltage Analog

Switches

● Very Low 5μA (typ) Quiescent Current

● DC-to-20MHz Low-Voltage Analog Signal

Frequency Range

The MAX14802/MAX14803/MAX14803A operate with a

wide range of high-voltage supplies including V /V

= +100V/-100V, +200V/0V, or +40V/-160V. The digital

interface operates from a separate +2.7V to +5.5V V

● 2.7V to 5.5V Logic Supply Voltage

PP NN

● Low-Charge Injection, Low-Capacitance R Switches

● -77dB (typ) Off-Isolation at 5MHz (R = 50Ω)

supply. Digital inputs DIN, CLK, LE, and CLR operate on

● Daisy-Chainable Serial Interface

the V supply voltage.

● Flexible High-Voltage Supplies (V

- V

= 250V)

The MAX14803/MAX14803A provide integrated 35kΩ

bleed resistors on each switch terminal to discharge

capacitive loads. The MAX14802/MAX14803/MAX14803A

provide integrated clamping diodes for overvoltage pro-

tection against positive overshoot.

The MAX14802 is available in a 48-pin LQFP package

and is specified for commercial 0°C to +70°C and extend-

ed -40°C to +85°C temperature ranges.

The MAX14803 is available in a 48-pin LQFP package

and is specified for the commercial 0°C to +70°C tem-

perature range.

Ordering Information/Selector Guide appear at end of data

sheet.

The MAX14803A is available in the 110-bump wafer level

package (WLP) and is specified at the -40°C to +85°C

temperature range.

Applications

● Ultrasound Imaging

● Printers

19-4484; Rev 5; 2/21

12 3 4 5 6 7...20

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