Digital Isolator CMOS 4-CH 2Mbps 16-Pin QSOP T/R
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ADUM1441ARQZ-RL7 Product Details
The ADUM1441ARQZ-RL7 is a micropower, 4-channel digital isolator which has default high output and 3/1 channel directionality based on the Analog Devices, Inc., iCoupler® technology. (Dual-channel products available). Combining high speed, complementary metal oxide semiconductor (CMOS) and monolithic air core transformer technologies, these isolation components provide outstanding performance characteristics superior to the alternatives, such as optocoupler devices, while requiring the lowest power of any available isolation product. The ENX signals can be used to disable the internal refresh, which lowers the total quiescent current to less than 1 µA.
The ADuM1440/ADuM1441/ADuM1442/ADuM1445/ ADuM1446/ADuM1447 family of quad 2.5 kV digital isolation devices are packaged in a small 16-lead QSOP and 20-lead SSOP. While most 4-channel isolators come in 16-lead wide SOIC packages, the ADuM1440/ ADuM1441/ ADuM1442/ ADuM1445/ ADuM1446/ ADuM1447 frees almost 70% of board space and yet can still withstand high isolation voltages and meet regulatory requirements, such as UL and CSA standards (pending). In addition to the space savings, the ADuM1440/ ADuM1441/ ADuM1442/ ADuM1445/ ADuM1446/ ADuM1447 operates with supplies as low as 2.25 V.
Despite the low power consumption, all models of the ADuM1440/ ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447 provide low, pulse width distortion <8 ns. In addition, every model has an input glitch filter to protect against extraneous noise disturbances.
- Ultralow power operation3.3 V operation (typical)5.6 µA per channel quiescent current, refresh enabled0.3 µA per channel quiescent current, refresh disabled148 µA/Mbps per channel typical dynamic current
- 2.5 V operation (typical)3.4 µA per channel quiescent current, refresh enabled0.1 µA per channel quiescent current, refresh disabled 117 µA/Mbps per channel typical dynamic current
- Small, 16-lead QSOP and20-lead SSOP
- Bidirectional communication
- Up to 2 Mbps data rate (NRZ)
- High temperature operation: 125°C
- High common-mode transient immunity: >25 kV/µs
- See datasheet for additional features
- General-purpose, low power multichannel isolation
- 1 MHz, low power peripheral interface (SPI)
- 4 mA to 20 mA loop process controls
- Data Ratemax | bps
- Prop Delaymax | s
- # of Channels
- Inputs Side I
- Inputs Side 2
- Insulation RatingV rms
- CMTImin | V/us
- Vs+min | V
- Vs+max | V
ADUM1441 Technical Documentation/Data sheet
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1.We provide 90 days warranty.
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.
- Q: How does Jotrin guarantee that ADUM1441ARQZ-RL7 is the original manufacturer or agent of AD?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the ADUM1441ARQZRL7 we delivered, we will accept the replacement or return of the ADUM1441ARQZ-RL7 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ADUM1441ARQZ-RL7.
(3)The ADUM1441ARQZ-RL7 is unused and only in the original unpacked packaging.
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Analog Devices, Inc
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