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ADUM1250SRZ
+BOMDGTL ISOLTR 2.5KV 2CH I2C 8-SOIC
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #ADUM1250SRZ
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Bảng dữ liệu ADUM1250SRZ DataSheet
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Có sẵn8940
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Series | iCoupler® |
| Part Status | Active |
| Technology | Magnetic Coupling |
| Type | I2C |
| Isolated Power | No |
| Number of Channels | 2 |
| Inputs - Side 1/Side 2 | 2/2 |
| Channel Type | Bidirectional |
| Voltage - Isolation | 2500Vrms |
| Common Mode Transient Immunity (Min) | 25kV/µs |
| Data Rate | 1Mbps |
| Pulse Width Distortion (Max) | 145ns, 85ns |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | ADUM1250 |
Tổng quan
Description
The ADUM1250SRZ features two bidirectional channels, allowing for isolation of I²C lines (SDA and SCL), and supports data rates up to 1 Mbps. It enhances safety by withstanding high-voltage levels, offering a 2500 VRMS isolation rating. The device is compact, available in a standard 8-lead SOIC package, making it suitable for space-constrained applications.
This isolator is ideal for use in applications such as industrial automation, instrumentation, and medical equipment, where maintaining signal integrity and ensuring user safety are critical. It requires no external components, simplifying integration into existing systems.
Equivalent
1. Texas Instruments ISO1540: Dual-channel, bidirectional I2C isolator.
2. Silicon Labs Si8605: Digital isolator with similar isolation and data rate specifications.
3. NXP Semiconductors PCA9615: Differential I2C bus buffer with built-in isolation features.
When considering replacements, ensure they meet the specific voltage isolation, data rate, and channel configurations required for your application.
Features
1. Isolation Technology: Utilizes Analog Devices’ iCoupler technology to achieve electrical isolation with high data rates.
2. Functional Isolation: Provides up to 2.5 kV RMS isolation, suitable for safety and noise immunity requirements.
3. Bidirectional Communication: Supports two bidirectional I²C-compatible data channels, allowing it to interface with bus protocols that require bidirectional communication.
4. Data Rate: Capable of supporting data rates up to 1 Mbps.
5. Low Power Consumption: Features low quiescent current to enhance power efficiency in both the active and idle states.
6. Wide Supply Voltage Range: Operates over a broad supply voltage range from 3.0 V to 5.5 V.
7. Compact Package: Available in a small 8-lead SOIC package, making it suitable for space-constrained applications.
8. Temperature Range: Functions over an extended temperature range from -40°C to +105°C, suitable for industrial applications.
These features make the ADUM1250SRZ ideal for various applications including industrial automation, data acquisition, and instrumentation systems that require robust electrical isolation and reliable data communication.
Pinout
Pin Count:
- The ADuM1250SRZ has 8 pins.
Pin Functions:
1. Pin 1 (VDD1): Supply voltage for Side 1.
2. Pin 2 (GND1): Ground for Side 1.
3. Pin 3 (SDA1): Data line for Side 1 (bidirectional).
4. Pin 4 (SCL1): Clock line for Side 1 (bidirectional).
5. Pin 5 (SCL2): Clock line for Side 2 (bidirectional).
6. Pin 6 (SDA2): Data line for Side 2 (bidirectional).
7. Pin 7 (GND2): Ground for Side 2.
8. Pin 8 (VDD2): Supply voltage for Side 2.
The device provides isolation between two I²C buses, allowing for different voltage levels on each side, enhancing system reliability and noise immunity.