An Overview of the iCoupler family of products is available.

The ADuM141x* are four-channel digital isolators based on Analog Devices, Inc. iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technologies, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices.

By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The usual concerns that arise with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects, are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. The need for external drivers and other discrete components is eliminated with these iCoupler products. Furthermore, iCoupler devices consume one-tenth to one-sixth the power of optocouplers at comparable signal data rates.

The ADuM141x isolators provide four independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide) up to 10 Mbps. All models operate with the supply voltage on either side ranging from 2.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier. All products also have a default output control pin. This allows the user to define the logic state the outputs are to adopt in the absence of the input power. Unlike other optocoupler alternatives, the ADuM141x isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.

*Protected by U.S. Patents 5,952,849, 6,873,065 and 7,075,329. Other patents pending.

Applications

General-purpose multichannel isolation

SPI interface/data converter isolation

RS-232/RS-422/RS-485 transceivers

Industrial field bus isolation

Part#	Features	# Ch	Max Data Rate(Mbps)	Resolution (Bits)	Insulation Rating (kVrms)	Isolation Voltage (Vrms)	Max Operating Temp (°C)	Pulse Width Distort (ns)	Max Prop Delay (ns)	Pos Supply	Min Output Voltage (V)	Max Output Voltage (V)	Output Default State	Serial Clock	Package	Output Power (mW)	iCouplerType	Price* (1000-4999)
AD7400	Isolated Sigma-Delta Modulator	-	10	16	-	-	-	-	-	+4.5V to +5.5V	-	-	-	-	16-Lead SOIC	-	-	$4.05
AD7401	Isolated Sigma-Delta Modulator	-	10	16	-	-	-	-	-	+4.5V to +5.5V	-	-	-	-	16-Lead SOIC	-	-	$4.05
ADM2483	RS-485 Transceiver/Half Duplex	1	0.5	-	2.5	-	85	-	-	+2.7V to +5.5V	1.5	5	Z	-	16-Lead SOIC	-	-	$3.04
ADM2485	RS-485 Transeiver	1	16	-	2.5	-	85	-	-	+2.7V to +5.5V	2.1	5	Z	-	16-Lead SOIC	-	-	$5.57
ADM2486	RS-485 Transceiver/Half Duplex w/ Transformer Driver	1	20	-	2.5	-	85	-	-	+2.7V to +5.5V	-	-	Z	-	16-Lead SOIC	-	-	$5.04
ADM2490E	RS-485 Transceiver/Full Duplex	1	16	-	5	-	105	-	-	+2.7V to +5.5V	-	-	High	-	16-Lead SOIC	-	-	$4.55
ADUM1100	Standard Digital Isolator	1	100	-	2.5	2.5	125	2	18	+3V to +5.5V	3	5.5	High	-	8-Lead SOIC	-	Standard	$1.63
ADUM1200	Standard Digital Isolator	2	25	-	2.5	2500	105	3	45	+2.7V to +5.5V	2.7	5.5	High	-	8-Lead SOIC	-	Standard	$1.22
ADUM1201	Standard Digital Isolator	2	25	-	2.5	2500	105	3	45	+2.7V to +5.5V	2.7	5.5	High	-	8-Lead SOIC	-	Standard	$1.22
ADUM1210	Standard Digital Isolator AEC-Q100 Qualified	2	10	-	2.5	-	105	3	50	+2.7V to +5.5V	2.7	5.5	Low	-	8-Lead SOIC	-	Standard	$1.78
ADUM1230	Isolated Gate Drivers	2	10	-	2.5	-	105	8	160	- to -	12	18	Low	-	16-Lead SOIC	-	-	-
ADUM1233	Isolated Gate Driver	2	10	-	2.5	-	105	-	160	- to -	12	18	Low	-	16-Lead SOIC	-	GateDriver	$1.58
ADUM1234	Isolated Gate Driver	2	-	-	2.5	-	-	-	160	- to -	12	18	Low	-	16-Lead SOIC	-	GateDriver, iCoupler	$1.58
ADUM1250	I2C Compliant Bidirectional Digital Isolator	1	1	-	2.5	-	105	67	150	- to -	-	-	High	Bidirectional	8-Lead SOIC	-	I2C, iCoupler	$3.42
ADUM1251	I2C Compliant Bidirectional Digital Isolator	1	1000	-	2.5	-	105	67	150	- to -	-	-	High	Unidirectional	8-Lead SOIC	-	I2C, iCoupler	$3.09
ADUM1300	Standard Digital Isolator AEC-Q100 Qualified	3	90	-	2.5	2500	125	2	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$1.63
ADUM1301	Standard Digital Isolator AEC-Q100 Qualified	3	90	-	2.5	2500	125	2	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$1.63
ADUM1310	Standard Digital Isolator AEC-Q100 Qualified	3	10	-	2.5	-	105	5	50	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	Standard	$1.63
ADUM1311	Standard Digital Isolator AEC-Q100 Qualified	3	10	-	2.5	-	105	-	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$1.63
ADUM1400	Standard Digital Isolator AEC-Q100 Qualified	4	90	-	2.5	2500	125	2	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$2.18
ADUM1401	Standard Digital Isolator	4	90	-	2.5	2500	125	2	32	- to -	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$2.18
ADUM1402	Standard Digital Isolator AEC-Q100 Qualified	4	90	-	2.5	2500	105	2	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$2.18
ADUM1410	Standard Digital Isolator	4	10	-	2.5	-	105	5	50	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$2.18
ADUM1411	Standard Digital Isolator	4	10	-	2.5	-	105	5	50	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$2.18
ADUM1412	Standard Digital Isolator	4	10	-	2.5	-	105	5	50	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$2.18
ADUM1420	Isolated Gate Driver	4	10	-	1.6	-	105	-	160	- to -	12	18	Low	-	-	-	GateDriver, iCoupler	$2.33
ADUM1510	Unidirectional Digital Isolator	5	10	-	2.5	-	105	-	50	+4.5V to +5.5V	-	-	-	-	16-Lead SOIC	-	Standard	$4.54
ADUM2200	Standard Digital Isolator	2	1	-	5	-	105	-	150	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	Standard	$1.66
ADUM2201	Standard Digital Isolator	-	-	-	-	-	-	-	-	+2.7V to +5.5V	-	-	-	-	-	-	Standard	$1.66
ADUM2250	I2C Compliant Bidirectional Digital Isolator	2	1	-	5	-	105	-	-	- to -	-	-	High	Bidirectional	16-Lead SOIC	-	I2C	$4.04
ADUM2251	I2C Compliant Bidirectional Digital Isolator	2	1	-	5	-	105	-	-	- to -	-	-	High	Unidirectional	16-Lead SOIC	-	I2C	$3.63
ADUM2400	Standard Digital Isolator	4	90	-	5	-	105	3	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$3.20
ADUM2401	Standard Digital Isolator	4	90	-	5	-	105	3	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$3.20
ADUM2402	Standard Digital Isolator	4	90	-	5	-	105	3	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$3.20
ADUM3100	Ruggedized for System Level ESD	1	100	-	2.5	-	105	2	18	+2.7V to +5.5V	3	5.5	High	-	8-Lead SOIC	-	Standard	$1.71
ADUM3200	Ruggedized for System-Level ESD	2	25	-	2.5	-	105	3	45	+3V to +5.5V	2.7	5.5	High	-	8-Lead SOIC	-	iCoupler, Standard	$1.29
ADUM3201	Ruggedized for System-Level ESD	1	25	-	2.5	-	85	3	45	+2.7V to +5.5V	2.7	5.5	High	-	8-Lead SOIC	-	Standard	$1.29
ADUM3300	Ruggedized for System-Level ESD	-	90	-	2.5	-	105	2	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$1.71
ADUM3301	Ruggedized for System-Level ESD	3	90	-	2.5	-	105	-	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	Standard	$1.71
ADUM3400	Ruggedized for System-Level ESD	4	90	-	2.5	-	105	-	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	Standard	$2.28
ADUM3401	Ruggedized for System-Level ESD	-	90	-	2.5	-	105	-	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	Standard	$2.28
ADUM3402	Ruggedized for System-Level ESD	4	90	-	2.5	-	105	-	32	+2.7V to +5.5V	2.7	5.5	High	-	16-Lead SOIC	-	Standard	$2.28
ADUM3440	Standard Digital Isolator	4	150	-	2.5	-	105	5	32	+3V to +5.5V	3	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$5.47
ADUM3441	Standard Digital Isolator	4	150	-	2.5	-	105	5	32	+3V to +5.5V	3	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$5.47
ADUM3442	Standard Digital Isolator	4	150	-	2.5	-	105	5	32	+3V to +5.5V	3	5.5	High	-	16-Lead SOIC	-	iCoupler, Standard	$5.47
ADUM5230	Isolated Gate Driver	1	-	-	2.5	-	105	-	100	- to -	12	18	Low	-	16-Lead SOIC	150	GateDriver, ISOPwr	$2.27
ADUM5240	Digital Isolator w/ isoPower	2	1	-	2.5	-	105	-	70	+3V to +5.5V	4.5	5.5	Low	-	8-Lead SOIC	50	ISOPwr	$2.99
ADUM5241	Digital Isolator w/ isoPower	2	1	-	2.5	-	105	-	70	+3V to +5.5V	4.5	5.5	Low	-	8-Lead SOIC	50	ISOPwr	$2.99
ADUM5242	Digital Isolator w/ isoPower	2	1	-	2.5	-	105	-	70	+3V to +5.5V	4.5	5.5	Low	-	8-Lead SOIC	50	iCoupler, ISOPwr	$2.99
ADUM5401	Digital Isolator w/ isoPower	4	25	-	2.5	-	105	-	60	+3.5V to +5.5V	3	5.5	Low	-	16-Lead SOIC	500	iCoupler, ISOPwr	$5.06
ADUM5402	Digital Isolator w/ isoPower	4	25	-	2.5	-	105	-	60	+3.5V to +5.5V	3	5.5	Low	-	16-Lead SOIC	500	ISOPwr	$5.06
ADUM5403	Digital Isolator w/ isoPower	4	25	-	2.5	-	105	-	60	+3.5V to +5.5V	3	5.5	Low	-	16-Lead SOIC	500	ISOPwr	$5.06
ADUM5404	Digital Isolator w/ isoPower	4	25	-	2.5	-	105	-	60	+3.5V to +5.5V	3	5.5	Low	-	16-Lead SOIC	500	iCoupler, ISOPwr	$5.06
ADUM6132	isoPower integrated isolated high-side supply	1	-	-	-	-	85	-	100	+4.5V to +5.5V	-	-	-	-	16-Lead SOIC	275	GateDriver, ISOPwr	$2.12

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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