ADUM1442ARQZ
Digital Isolator CMOS 4-CH 2Mbps 16-Pin QSOP Tube
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Part Number : ADUM1442ARQZ
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Package/Case : QSOP-16
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Brands : Analog Devices
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Components Categories : Digital Isolators
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Datesheet : ADUM1442ARQZ DataSheet (PDF)
Overview of ADUM1442ARQZ
The ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447 are micropower, 4-channel digital isolators based on the Analog Devices, Inc., iCoupler® technology. 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. As shown in Figure 3 in the data sheet, in standard operating mode, when ENx = 0 (internal refresh enabled), the current per channel is less than 10 μA. When ENx = 1 (internal refresh disabled), the current per channel drops to less than 1 μA.
Key Features
- Ultralow power operation
- 3.3 V operation (typical)
- 5.6 μA per channel quiescent current, refresh enabled
- 0.3 μA per channel quiescent current, refresh disabled
- 148 μA/Mbps per channel typical dynamic current
- 2.5 V operation (typical)
- 3.1 μA per channel quiescent current, refresh enabled
- 0.1 μA per channel quiescent current, refresh disabled
- 117 μA/Mbps per channel typical dynamic current
- 3.3 V operation (typical)
- Small, 16-lead QSOP and 20-Lead SSOP
- Bidirectional communication
- Up to 2 Mbps data rate (NRZ)
Application
- General-purpose, low power multichannel isolation
- 1 MHz, low power peripheral interface (SPI)
- 4 mA to 20 mA loop process controls
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category | Digital Isolators | RoHS | Details |
| Series | ADUM1442 | Mounting Style | SMD/SMT |
| Package / Case | QSOP-16 | Number of Channels | 4 Channel |
| Polarity | Bidirectional | Data Rate | 2 Mb/s |
| Isolation Voltage | 2500 Vrms | Isolation Type | Magnetic Coupling |
| Supply Voltage - Max | 3.6 V | Supply Voltage - Min | 2.25 V |
| Operating Supply Current | 612 uA | Propagation Delay Time | 80 ns |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature | + 125 C |
| Brand | Analog Devices | Pd - Power Dissipation | 1.64 W |
| Product Type | Digital Isolators | Factory Pack Quantity | 98 |
| Subcategory | Interface ICs | Type | General Purpose |
| Unit Weight | 0.010159 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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