CA-IS3020S Low-Power Bidirectional I2C Isolators
Mfr.Part No. :
CA-IS3020SManufacturer :
ChipanalogDescription :
Low-Power Bidirectional I2C IsolatorsPackaging :
ReelPackage :
SOIC8/SOIC16Stock :
in stockPrice :
$0.38-$0.53
CA-IS3020S Low-Power Bidirectional I2C Isolators
| Price: | $0.38-$0.53 | $0.7-$1.2 | $3.3-$4.5 |
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Replace parts:
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Replacement parts:
Replacement chip:
Alternative parts:
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Pin to pin parts:
Pin 2 pin parts:
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CA-IS3020S |
ISO1540D
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ADUM1250ARZ
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The CA-IS302x devices are complete dual-channel, galvanic digital isolators with up to 3.75kVRMS (narrow-body package)/5kVRMS (wide-body package)/7.5kVRMS (super wide-body package) isolation rating and ±150kV/μs typical CMTI. All device versions have Schmitt trigger inputs for high noise immunity and each isolation channel has a logic input and output buffer separated by capacitive silicon dioxide (SiO2) insulation barrier to provide high electromagnetic immunity and low EMI. These devices feature high-integration design and only require fewer external components, VDDA, VDDB bypass capacitors and pullup resistors, to build an isolated I2C interface. This family of devices operates from DC to 2MHz. The CAIS3020 offers two bidirectional, open-drain channels for applications, such as multi-master I2C, that require data and clock to be transmitted in both directions on the same line.
The CA-IS3021 provides an isolated I2C compatible interface supporting master mode only, with a unidirectional clock (SCL), and bidirectional data (SDA). All devices feature independent 3.0V to 5.5V supplies on each side of the isolator and the logic levels are set independently on either side by VDDA and VDDB. A simplified block diagram for a single CA-IS302x bidirectional channel is shown in the figure below.
The CA-IS302x series of devices are specified over -40°C to +125°C operating temperature range and are available in 8-pin SOIC narrow body package, 8-pin/16-pin SOIC wide body package and 8-pin SOIC super wide-body package. The wide temperature range and high isolation voltage make the devices ideal for use in harsh industrial environments.
| Data rate |
DC to 2MHz
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| High lifetime | >40 years | |
| VRMS isolation rating |
from 3750 vrms to 7500 vrms
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| Typical CMTI | ±150 kV/μs | |
| Wide supply range | 2.5V to 5.5V | |
| Wide operating temperature range | ‐40°C to 125°C | |
| Open-drain Outputs | 3.5mA Side A sink current capability | 35mA Side B sink current capability |
| Safety regulatory approvals |
▪ VDE certification according to DIN EN IEC60747-
▪ 17(VDE 0884-17):2021-10
▪ UL certification according to UL 1577
▪ CQC certification according to GB4943.1-2022
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| Package options |
▪ Narrow-body SOIC8 (S) package
▪ Wide-body SOIC8-WB (G) package
▪ Wide-body SOIC16-WB (W) package
▪ Super Wide-body SOIC8-WWB (WG) package
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Applications
Packing & Delivery:
1. Shipping Method: Express (SF Express, DHL, TNT, FedEx, etc.), shipping charges are paid by the buyer.
2. Packaging Method: pressure-proof, moisture proof, shock-proof packaging.
3. Shipping Time: In stock items: 3-5 days. Lead Time orders: 45-65 days.
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