LTC203 Series
Micropower, Low Charge Injection, Quad CMOS Analog Switches
Manufacturer: Analog Devices
Catalog
Micropower, Low Charge Injection, Quad CMOS Analog Switches
Key Features
• Micropower Operation
• Single 5V or ±15V Supply Operation
• Low Charge Injection
• Low RON
• Low Leakage
• Guaranteed Break Before Make
• Latch Resistant Design
• TTL/CMOS Compatible
• Improved Second Source for DG201A/DG202
Description
AI
The LTC201A, LTC202, and LTC203 are micropower, quad CMOS analog switches which typically dissipate only 250µW from ±15V supplies and 40µW from a single 5V supply. The switches have 65Ω typical on resistance and a very high off resistance. A break-before-make characteristic, inherent in these switches, prevents the shorting of two channels. With a supply voltage of ±15V, the signal range is ±15V. These switches have special charge compensation circuitry which greatly reduces charge injection to a maximum of ±25pC (±15V supplies).The LTC201A, LTC202, and LTC203 are designed for applications such as programmable gain amplifiers, analog multiplexers, sample-and-hold circuits, precision charge switching and remote switching. These three devices are differentiated by the type of switch action, as shown in the logic table.ApplicationsSupply Current: 1+=40µA, 1-=5µA MaxCharge Injection±15V Supplies: ±25pC MaxSingle 5V Supply: 2pC TypRON: 65Ω TypSignal Range: ±15V