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TI ISO1540QDRQ1

Name: ISO1540QDRQ1
Rating: 4.5 (10 reviews)

I2C Digital Isolator 2500Vrms 2 Channel 25kV/µs CMTI 8-SOIC (0.154", 3.90mm Width)

Brands: TI

Mfr.Part #: ISO1540QDRQ1

Datasheet: ISO1540QDRQ1 Datasheet (PDF)

Package/Case: SOIC-8

RoHS Status:

Stock Condition: 7947 pcs, New Original

Product Type: I2C isolators

Warranty: 1 Year Ovaga Warranty - Find Out More

Pricing

*All prices are in USD

Qty	Unit Price	Ext Price
1	$3.150	$3.150
10	$2.758	$27.580
30	$2.523	$75.690
100	$2.125	$212.500
500	$2.017	$1008.500
1000	$1.968	$1968.000

In Stock:7947 PCS

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Please submit RFQ for ISO1540QDRQ1 or email to us: Email: [email protected], we will contact you within 12 hours.

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Remark

ISO1540QDRQ1 General Description

The ISO1540-Q1 and ISO1541-Q1 devices are low-power, bidirectional isolators that are compatible with I²C interfaces. These devices have logic input and output buffers that are separated by Texas Instruments Capacitive Isolation technology using a silicon dioxide (SiO₂) barrier. When used with isolated power supplies, these devices block high voltages, isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging sensitive circuitry.

This isolation technology provides for function, performance, size, and power consumption advantages when compared to optocouplers. The ISO1540-Q1 and ISO1541-Q1 devices enable a complete isolated I²C interface to be implemented within a small form factor.

The ISO1540-Q1 has two isolated bidirectional channels for clock and data lines while the ISO1541-Q1 has a bidirectional data and a unidirectional clock channel. The ISO1541-Q1 is useful in applications that have a single controller while the ISO1540-Q1 is suitable for multi-controller applications. For applications where clock stretching by the target is possible, the ISO1540-Q1 device should be used.

Isolated bidirectional communication is accomplished within these devices by offsetting the low-level output voltage on side 1 to a value greater than the high-level input voltage on side 1, thus preventing an internal logic latch that otherwise would occur with standard digital isolators.

Features

Qualified for automotive applications
AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD classification level 3A
- Device CDM ESD classification level C6
Functional Safety-Capable
- Documentation available to aid functional safety system design: ISO1540-Q1, ISO1541-Q1
Isolated bidirectional, I²C compatible, communication
Supports up to 1-MHz operation
3-V to 5.5-V supply range
Open-drain outputs With 3.5-mA Side 1 and 35-mA Side 2 sink current capability
±50-kV/µs transient immunity (Typical)
Safety-related certifications:
- 4242-V_PK isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 2500-V_RMS isolation for 1 minute per UL 1577
- CSA approval per IEC 62368-1 end equipment standard
- CQC basic insulation per GB4943.1-2011

Specifications

Parameter	Value	Parameter	Value
Rating	Automotive	Isolation rating	Basic
Number of channels	2	Serial data	Bidirectional
Serial clock	Bidirectional	Data rate (max) (MBps)	1
Working isolation voltage (VIOWM) (Vrms)	400	Surge isolation voltage (VIOSM) (VPK)	4000
Transient isolation voltage (VIOTM) (VPK)	4242	Withstand isolation voltage (VISO) (Vrms)	2500
CMTI (min) (kV/µs)	25	Supply voltage (max) (V)	5.5
Supply voltage (min) (V)	3	Operating temperature range (°C)	-40 to 125
TI functional safety category	Functional Safety-Capable

Shipping

	Ship Fee	Lead Time
DHL	$20.00-$40.00 (0.50 KG)	2-5 days
Fedex	$20.00-$40.00 (0.50 KG)	2-5 days
UPS	$20.00-$40.00 (0.50 KG)	2-5 days
TNT	$20.00-$40.00 (0.50 KG)	2-5 days
EMS	$20.00-$40.00 (0.50 KG)	2-5 days
REGISTERED AIR MAIL	$20.00-$40.00 (0.50 KG)	2-5 days

Processing Time：Shipping fee depend on different zone and country.

Payment

Terms of payment		Hand Fee
	Wire Transfer	charge US$30.00 banking fee.
	Paypal	charge 4.0% service fee.
	Credit Card	charge 3.5% service fee.
	Western Union	charge US.00 banking fee.
	Money Gram	charge US$0.00 banking fee.

Guarantees

1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

Packing

Step1 :Product
Step2 :Vacuum packaging
Step3 :Anti-static bag
Step4 :Individual packaging
Step5 :Packaging boxes
Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.