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Data Sheet
FEATURES
44 V supply maximum rating ±15 V analog signal range Low RON: 115 Ω maximum Low leakage: 0.5 nA typical Break-before-make switching Single supply operation possible Extended plastic temperature range: −40°C to +85°C TTL/CMOS compatible Available in 16-lead PDIP/SOIC and 20-pead PLCC packages Pin compatible to DG211/DG212
GENERAL DESCRIPTION
The ADG211A and ADG212A are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC2MOS process, which gives an increased signal handling capability of ±15 V. These switches also feature high switching speeds and low RON. The ADG211A and ADG212A consist of four SPST switches. They differ only in that the digital control logic is inverted. In multiplexer applications, all switches exhibit break-before-make switching action when driven simultaneously. Inherent in the design is low charge injection for minimum transients when switching the digital inputs.
LC2MOS
Quad SPST Switches
ADG211A/ADG212A
FUNCTIONAL BLOCK DIAGRAM
ADG211A
S1 IN1
D1
S2 IN2
D2
S3 IN3
D3
S4 IN4
D4
NOTES 1. SWITCHES SHOWN FOR A LOGIC 1 INPUT.
Figure 1.
ADG212A
S1 IN1
D1
S2 IN2
D2
S3 IN3
D3
S4 IN4
D4
NOTES 1. SWITCHES SHOWN FOR A LOGIC 1 INPUT.
Figure 2.
PRODUCT HIGHLIGHTS
1. Extended Signal Range. These switches are fabricated on an enhanced LC2MOS process, resulting in high breakdown and an increased analog signal range of ±15 V.
2. Single Supply Operation. For applications where the analog signal is unipolar (0 V to 15 V), the switches can be operated from a single 15 V supply.
3. Low Leakage. Leakage currents in the range of 500 pA make these switches suitable for high precision circuits. The added feature of break-before-make allows for multiple outputs to be tied together for multiplexer applications while keeping leakage errors to a minimum.
10950-002
10950-001
Rev. C
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ADG211A/ADG212A
TABLE OF CONTENTS
Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision Hi.