CA-IS3988P Isolated Octal Industrial Digital Input
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$0.69-$0.88 |
$3.1-$4.5 |
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CA-IS3988P |
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The CA-IS398x family of isolated octal digital inputs are optimized for industrial 24V digital input applications. All devices can be configured for Type 1, Type 2, or Type 3 inputs with a few external components and each channel can sink and source current. The isolation channels based on Chipanalog’s advanced capacitive isolation technology feature up to 2.5kVRMS isolation rating and ±300kV/μs typical CMTI (low-speed channels), provide high electromagnetic immunity, low propagation delay and low jitter.
The CA-IS398x devices operate over the supply range of 2.25V to 5.5V on logic side, no power supply required on field side. The logic output level is set by supply voltage independently, easy to connect with 2.5V, 3.3V and 5V controller interface.
The CA-IS3980S industrial interface serializer translates, conditions and serializes the eight 24V digital inputs to CMOS-compatible signals through the SPI port required by microcontrollers; While the CA-IS398xP devices translate eight 24V industrial digital inputs to eight
CMOS-compatible parallel outputs. All devices provide isolated digital outputs and all digital inputs can be current-sinking or current sourcing industrial inputs (bidirectional inputs) from sensors and switches used in industrial, process, and building automation. For robust
operation in industrial environments, each input of the CAIS398x with parallel outputs includes a glitch and debounce filters with fixed delay time;
The CA-IS3980S features programmable debounce filters, allow flexible debouncing and filtering of sensor outputs based on the application. Also, for systems with more than eight sensor inputs, CA-IS3980S is capable of daisy-chaining multiple devices and have up to 128 inputs sharing the same isolated SPI interface. A simplified block diagram for the CA-IS398x is shown in the figure below.
The CA-IS398x family of devices are specified over -40°C to +125°C operating temperature range and are available in 20-pin SSOP package. Also see the Ordering Information for suffixes associated output interface and filter delay time configuration options.
Product Specification
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Data Rate
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Support up to 2Mbps Data Rates |
| High transient immunity |
- ±300kV/µs CMTI for the low-speed channels
- ±50kV/µs CMTI for the high-speed channels
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| Wide operating temperature range |
‐40°C to 125°C |
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Applications
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• Digital Input Modules for PLCs
• Industrial, Building, and Process Automation
• Motor Control
• CNC Control
• Industrial data acquisition
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Package options
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Features
• Accepts Industry Standard Input Types
- Compliant to IEC 61131-2 Input Types 1, 2, and 3
• High Integration
- Eight input channels with serializer (CA-IS3980S)
- Eight input channels with parallel-output s (CAIS398xP)
• Support up to 2Mbps Data Rates
• Integrated Digital Glitch and Debounce Filters with 0 to 100ms Selectable Delay Time
• High transient immunity:
- ±300kV/µs CMTI for the low-speed channels
- ±50kV/µs CMTI for the high-speed channels
• 2500VRMS Integrated Isolation Reduces BOM and Footprint
• SPI-Compatible Serial Interface (CA-IS3980S only)
• 2.25V to 5.5V Single Supply , Eliminates the Need For Field-side Power Supply
• -40°C to 125°C Ambient Operating Temperature
• 8.66mm x 3.91mm 20-pin SSOP Package
• Safety Regulatory Approvals
- VDE certification according to DIN EN IEC60747-17(VDE 0884-17):2021-10
- UL certification according to UL1577
Applications
• Digital Input Modules for PLCs
• Industrial, Building, and Process Automation
• Motor Control
• CNC Control
• Industrial data acquisition
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.
ONE-STOP Electronic Parts Supply Chain:
1. 18 years of experience in the electronic components industry
2. Online service provided by over 80+ sales and technical.
3. Serving over 4500 global customers.
4. Annual sales exceeding 50 million USD, have an upward trend every year.
5. During the industry downturn, our sales of Chinese brand chips increased against the trend. Contributed a significant portion of the company's performance.
6. In the recently years, most customers have reduced costs and adopted Chinese chip brands. From initially worrying about quality and not daring to try them out, our customers now are continuing to place orders every month.
7. Our Product line includes MCU, amplifiers, isolation devices, logic devices, power devices, etc.
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