ISO7221AD ,Interface Isolator, Digital Isolator - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

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173 points

Part No

ISO7221AD
Manufacturer

TI
ChipWorker Part#

CW1705535
Category

Interface Isolator, Digital Isolator
Package

SOIC-8
Description

TEXAS INSTRUMENTS ISO7221AD Digital Isolator, Dual, 2Channel, 475ns, 3V, 5.5V, SOIC, 8Pins
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 0.96

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ISO7221AD Specifications

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Attribute	Attribute Value

Part Number	ISO7221AD
Manufacturer	TI
ChipWorker Part#	CW1705535
Category	Interface Isolator, Digital Isolator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	3.30 V, 5.00 V
Rise/Fall Time	1 ns
Output Voltage	0.5 V
Output Current	4 mA
Supply Current	10.0 mA
Number of Channels	2 Channel
Number of Positions	8 Position
Data Rate	1.00 Mbps
Isolation Voltage	2500 Vrms
Thermal Shutdown	No
Fall Time (Max)	2 ns
Fall Time (Max)	2 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	390 mW
Supply Voltage	3V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	3 V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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Product Description

The ISO7221AD is a dual channel 1Mbps Digital Isolator to facilitate PCB layout, the channels are oriented in the opposite direction in the ISO7221x. This device has a logic input and output buffer separated by TI"s silicon-dioxide isolation barrier, providing galvanic isolation of up to 4000VPK per VDE. Used in conjunction with isolated power supplies, this device block high voltage and isolate grounds, as well as prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. A binary input signal is conditioned, translated to a balanced signal and then differentiated by the capacitive isolation barrier. Across the isolation barrier, a differential comparator receives the logic transition information, then sets or resets a flip-flop and the output circuit accordingly. A periodic update pulse is sent across the barrier to ensure the proper dc level of the output.
4kV ESD protected
1ns Maximum low channel-to-channel output skew
1ns Maximum low pulse-width distortion
High electromagnetic immunity
50kV/µs Typical transient immunity
Green product and no Sb/Br
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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