DG202, DG212

Quad SPST CMOS Analog Switches

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Status Explanations for product status codes

Active: In Production.

Description

The DG202/DG212 are normally open, quad single-pole single-throw (SPST) analog switches. These CMOS switches can be continuously operated with power supplies ranging from ±4.5V to ±18V. Maxim guarantees that these switches will not latch up if the power supplies are disconnected with input signals still connected.

The DG202/DG212 are similar to the DG201/DG211 except for inverted control inputs. All devices have guaranteed break-before-make switching, as well as essentially constant on-resistance over the analog signal range. All switches conduct current in either direction and add no offset to the output signal.

Compared to the original manufacturer's products, Maxim's DG202/DG212 consume very little power, making them better suited for portable applications. Maxim has also eliminated the need for the third logic power supply (VL) that is required for the operation of the original manufacturer's DG212 without sacrificing compatibility.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 3 (PDF, 1.3MB)
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Key Features

  • Guaranteed ±4.5V to ±18V Operation
  • No VL Supply Required
  • Nonlatching with Supplies Turned Off and Input Signals Present
  • CMOS and TTL Logic Compatible
  • Monolithic, Low-Power CMOS Design
 

Applications/Uses

  • Analog Multiplexers
  • Automatic Test Equipment
  • Communication Systems
  • PBX, PABX
  • Programmable Gain Amplifiers
  • Sample/Holds
   

Key Specifications:

Switches and Multiplexers (Mid Voltage)
Part Number Functions Config. Channels Normal Position VSUPPLY (Dual)
(±V)
VSUPPLY (Dual)
(±V)
RON
(Ω)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
Budgetary Price
min max max max min max max max See Notes
DG202  Switch SPST 4 Open 4.5 18 175 1 600 450 20 16 5 $2.14 @1k
DG212  18 5 1000 500 $1.22 @1k
MAX332  20 1 600 450 -
See All Switches and Multiplexers (Mid Voltage) (302)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

DG202, DG212: Typical Operating Circuit
Typical Operating Circuit

Notes and Comments

Normally open (DG202)
Normally open (DG212)
Improved DG201 (MAX332)

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Document Ref.: 19-3960 Rev 3; 2006-07-13
This page last modified: 2009-11-09




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