Specification	ADUM1252AUA+T

Channel Type	Bidirectional
Common Mode Transient Immunity (Min) [Min]	200 V/ns
Data Rate	2 MHz
Inputs - Side 1/Side 2 [custom]	2
Inputs - Side 1/Side 2 [custom]	2
Isolated Power	False
Mounting Type	Surface Mount
Number of Channels	2
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Package / Case	8-TSSOP, 8-MSOP
Package / Case	0.118 in, 3 mm Width
Propagation Delay tpLH / tpHL (Max) [Max] [custom]	128.4 ns
Propagation Delay tpLH / tpHL (Max) [Max] [custom]	95.8 ns
Pulse Width Distortion (Max) [Max]	94.2 ns
Rise / Fall Time (Typ)	-
Rise / Fall Time (Typ)	34.7 ns
Supplier Device Package	8-µMAX
Technology	Magnetic Coupling
Type	I2C, CAN
Voltage - Isolation	2500 Vrms
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.71 V

ADuM1252 Series

Ultra-Low Power, Bidirectional I2C Isolator with Extended VDD, Idle-Bus Hot-Swap and Low VOL

Part	Rise / Fall Time (Typ)	Rise / Fall Time (Typ)	Channel Type	Mounting Type	Technology	Supplier Device Package	Type	Package / Case	Data Rate	Common Mode Transient Immunity (Min) [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Pulse Width Distortion (Max) [Max]	Inputs - Side 1/Side 2 [custom]	Inputs - Side 1/Side 2 [custom]	Propagation Delay tpLH / tpHL (Max) [custom]	Propagation Delay tpLH / tpHL (Max) [custom]	Voltage - Supply [Max]	Voltage - Supply [Min]	Number of Channels [custom]	Voltage - Isolation	Package / Case	Rise / Fall Time (Typ) [custom]	Rise / Fall Time (Typ) [custom]	Package / Case	Package / Case	Propagation Delay tpLH / tpHL (Max) [Max] [custom]	Propagation Delay tpLH / tpHL (Max) [Max] [custom]	Number of Channels
Analog Devices Inc./Maxim Integrated ADUM1252AWA+T	20.3 ns	-	Bidirectional	Surface Mount	Magnetic Coupling	8-SOIC	CAN I2C	8-SOIC (0.295" 7.50mm Width)	2 MHz	200 V/ns	125 °C	-40 C	94.2 ns	2	2	50 ns	133.3 ns	5.5 V	1.71 V	4
Analog Devices Inc./Maxim Integrated ADUM1252AWA+	20.3 ns	-	Bidirectional	Surface Mount	Magnetic Coupling	8-SOIC	CAN I2C	8-SOIC (0.295" 7.50mm Width)	2 MHz	200 V/ns	125 °C	-40 C	94.2 ns	2	2	50 ns	133.3 ns	5.5 V	1.71 V	4
Analog Devices Inc./Maxim Integrated ADUM1252AUA+	20.3 ns	-	Bidirectional	Surface Mount	Magnetic Coupling	8-µMAX	CAN I2C	8-MSOP 8-TSSOP	2 MHz	200 V/ns	125 °C	-40 C	94.2 ns	2	2	50 ns	133.3 ns	5.5 V	1.71 V	4	2500 Vrms	0.118 in 3 mm Width
Analog Devices Inc./Maxim Integrated ADUM1252ASA+			Bidirectional	Surface Mount	Capacitive Coupling	8-SOIC	CAN I2C	8-SOIC	2 MHz	200 V/ns	125 °C	-40 C	94.2 ns	2	2	50 ns	133.3 ns	5.5 V	1.71 V	4	3000 VAC		-	36.1 ns	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated ADUM1252ASA+T			Bidirectional	Surface Mount	Capacitive Coupling	8-SOIC	CAN I2C	8-SOIC	2 MHz	200 V/ns	125 °C	-40 C	94.2 ns	2	2	50 ns	133.3 ns	5.5 V	1.71 V	4	3000 VAC		-	36.1 ns	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated ADUM1252AUA+T	34.7 ns	-	Bidirectional	Surface Mount	Magnetic Coupling	8-µMAX	CAN I2C	8-MSOP 8-TSSOP	2 MHz	200 V/ns	125 °C	-40 C	94.2 ns	2	2			5.5 V	1.71 V		2500 Vrms	0.118 in 3 mm Width					128.4 ns	95.8 ns	2

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$	Updated

Digikey	Cut Tape (CT)	1	$ 4.54	1w
		10	$ 3.45
		25	$ 3.18
		100	$ 2.88
		250	$ 2.82
	Tape & Reel (TR)	2500	$ 2.50	1w
Newark	Each (Supplied on Cut Tape)	1	$ 5.44	1m+
		10	$ 3.56
		25	$ 3.07
		50	$ 2.80
		100	$ 2.52
		250	$ 2.25
		500	$ 2.08
		1000	$ 2.00

Description

General part information

ADuM1252 Series

The ADuM1252 offers two bidirectional, open-drain channels for applications, such as I2C, that require data to be transmitted in both directions on the same line. To prevent latch-up action, side 1 outputs comprise special buffers that regulate the logic-low voltage at 0.64V, and the input logic-low threshold is at least 50mV lower than the output logic-low voltage. Side 2 features conventional buffers that do not regulate logic-low output voltage.The ADuM1252 features independent 1.71V to 5.5V supplies on both side 1 and side 2 of the isolator. The device operates up to 2MHz. The ultra-low standby current of 21µA per side is ideal for battery-operated systems.The ADuM1252 provides a disturbance-free bus connection for hot-plug connections on side 2 by first precharging the bus pins and then monitoring the bus state for either an idle bus or detection of a I2C stop condition before connecting side 1 and side 2.The ADuM1252 is available in both an 8-pin narrow- and wide-body SOIC package, and in an 8-pin MSOP package. The device is rated for operation at ambient temperatures of -40°C to +125°C.

Documents

Technical documentation and resources

Package Drawing - U8MS+5

Package Drawing

ADuM1252SEVKIT: Evaluation Kit for ADuM1252, ADuM1253, ADuM1254, ADuM1255 (Rev.B)

User Guide

ADuM1252: Ultra-Low Power, Bidirectional I2C Isolator with Extended VDD, Idle-Bus Hot-Swap and Low VOLDS (Rev.1)

Data Sheet