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Số Lượng | Giá |
---|---|
1+ | US$5.070 |
10+ | US$4.680 |
25+ | US$4.240 |
100+ | US$3.690 |
300+ | US$3.640 |
500+ | US$3.580 |
1000+ | US$3.510 |
Thông Tin Sản Phẩm
Tổng Quan Sản Phẩm
DS1822 is a digital thermometer. It provides 9bit to 12bit centigrade temperature measurements and has an alarm function with NV user-programmable upper and lower trigger points. It communicates over a 1-wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor. In addition, this device can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply. It has a unique 64-bit serial code, which allows multiple devices to function on the 1-wire bus; thus, it is simple to use one microprocessor to control many devices distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment or machinery, and process monitoring and control systems.
- Power-supply range from 3V to 5.5V, requires no external components
- Reduced component count with integrated temperature sensor and interface
- Thermometer resolution is user-selectable from 9 to 12bits
- Converts temperature to 12bit digital word in 750ms (max)
- Each device has a unique 64-bit serial code stored in an on-board device
- Software compatible with the DS18B20, ±2°C accuracy from -10°C to +85°C
- Operating temperature range from -55°C to +125°C
- Package style is 8-pin SOIC
Cảnh Báo
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Ghi chú
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Thông số kỹ thuật
Digital
± 2°C
-55°C
+125°C
SOIC
8Pins
5.5V
12 bits
-55°C
-
MSL 1 - Unlimited
Open Drain
± 2°C
-55°C
125°C
SOIC
3V
-
1 Wire
125°C
-
No SVHC (21-Jan-2025)
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