Low Capacitance, Low Charge Injection,

±15 V/+12 V iCMOS Quad SPST Switches

Data Sheet

ADG1211/ADG1212/ADG1213

Rev. B

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FEATURES

1 pF off capacitance

2.6 pF on capacitance

<1 pC charge injection

33 V supply range

120 Ω on resistance

Fully specified at ±15 V, +12 V

3 V logic-compatible inputs

Rail-to-rail operation

16-lead TSSOP and 16-lead LFCSP

Typical power consumption: <0.03 µW

APPLICATIONS

Automatic test equipment

Data acquisition systems

Battery-powered systems

Sample-and-hold systems

Audio signal routing

Video signal routing

Communication systems

GENERAL DESCRIPTION

The ADG1211/ADG1212/ADG1213 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.

The ultralow capacitance and 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.

Fast switching speed coupled with high signal bandwidth make

the parts suitable for video signal switching.

FUNCTIONAL BLOCK DIAGRAM

IN1

IN2

IN3

IN4

S1

D1

S2

D2

S3

D3

S4

D4

ADG1211

SWITCHES SHOWN FOR A LOGIC 1 INPUT

IN1

IN2

IN3

IN4

S1

D1

S2

D2

S3

D3

S4

D4

ADG1212

IN1

IN2

IN3

IN4

S1

D1

S2

D2

S3

D3

S4

D4

ADG1213

Figure 1.

iCMOS construction ensures ultralow power dissipation,

making the parts ideally suited for portable and battery-

powered instruments.

The ADG1211/ADG1212/ADG1213 contain four independent

single-pole/single-throw (SPST) switches. The ADG1211 and

ADG1212 differ only in that the digital control logic is inverted.

The ADG1211 switches are turned on with Logic 0 on the

appropriate control input, while Logic 1 is required for the

ADG1212. The ADG1213 has two switches with digital control

logic similar to that of the ADG1211; the logic is inverted on

the other two switches. The ADG1213 exhibits break-before-

make switching action for use in multiplexer applications.

Each switch conducts equally well in both directions when on

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

off condition, signal levels up to the supplies are blocked.

PRODUCT HIGHLIGHTS

1. Ultralow capacitance.

2. <1 pC charge injection.

5. Ultralow power dissipation: <0.03 µW.

6. 16-lead TSSOP and 3 mm × 3 mm LFCSP packages.