Datasheet > ADG1223BRMZ-REEL71

ADG1223BRMZ-REEL71

更新时间： 2024-01-25 23:43:27

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
16页	279K
描述
Low Capacitance, Low Charge Injection, 15 V/12 V iCMOS Dual SPST Switches

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Low Capacitance, Low Charge Injection,

± ±1 ꢀV/±ꢁ ꢀ iCMOS^®Dual SPST Switches

ADG±ꢁꢁ±VADG±ꢁꢁꢁVADG±ꢁꢁ3

FEATURES

FUNCTIONAL BLOCK DIAGRAM

<0.5 pC charge injection over full signal range

Off capacitance: 2 pF

Off leakage: 20 pA

Supply range: 33 V

On resistance: 120 Ω

ADG1221

ADG1222

IN1

IN2

Fully specified at 15 V, +12 V

No V_Lsupply required

IN2

3 V logic-compatible inputs

Rail-to-rail operation

10-lead MSOP package

ADG1223

APPLICATIONS

IN1

Automatic test equipment

Data acquisition systems

Battery-powered systems

Sample-and-hold systems

Audio signal routing

IN2

Video signal routing

Communication systems

SWITCHES SHOWN FOR A LOGIC 0 INPUT

Figure 1.

GENERAL DESCRIPTION

ADG1222. The ADG1223 has one switch with digital control

logic similar to that of the ADG1221; the logic is inverted on

the other switch. The ADG1223 exhibits break-before-make

switching action for use in multiplexer applications. Each

switch conducts equally well in both directions when on and

The ADG1221/ADG1222/ADG1223 are monolithic, complemen-

tary metal-oxide semiconductor (CMOS) devices containing

four independently selectable switches designed on an iCMOS

(industrial CMOS) process. iCMOS is a modular manufacturing

process combining high voltage CMOS and bipolar technologies.

It enables the development of a wide range of high performance

analog ICs, capable of 33 V operation, in a footprint that no

previous generation of high voltage parts has been able to achieve.

Unlike analog ICs using conventional CMOS processes, iCMOS

components can tolerate high supply voltages while providing

increased performance, dramatically lower power consumption,

and reduced package size.

has an input signal range that extends to the supplies. In the off

condition, signal levels up to the supplies are blocked.

0.5

= 25ºC

0.4

0.3

= +15V

= –15V

0.2

0.1

The ultralow capacitance and exceptionally low charge injection

of these switches make them ideal solutions for data acquisition

and sample-and-hold applications, where low glitch and fast

settling are required. Figure 2 shows that there is minimum

charge injection over the full signal range of the device.

= 12V

= 0V

–0.1

–0.2

–0.3

–0.4

–0.5

= +5V

= –5V

The ADG1221/ADG1222/ADG1223 contain two independent

single-pole/single-throw (SPST) switches. The ADG1221 and

ADG1222 differ only in that the digital control logic is inverted.

The ADG1221 switches are turned on with Logic 1 on the appro-

priate control input, and Logic 0 is required for the

–15

–10

–5

INPUT VOLTAGE (V)

Figure 2. Charge Injection vs. Input Voltage

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

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