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Maxim > Solutions > Security Systems

1-Wire Sensors

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF ESD Protection Diode with Resistors
DS9503
QV  PDF ESD Protection Diode
DS9502
QV  PDF Serial to 1-Wire Line Driver
DS2480B
QV  PDF 1-Wire Quad A/D Converter
DS2450
QV  PDF Synthesizable 1-Wire Bus Master
DS1WM
QV  PDF Programmable Resolution 1-Wire Digital Thermometer
DS18B20
QV  PDF Econo 1-Wire Digital Thermometer
DS1822



Key Specifications:   1-Wire Interface Products
Part Number Functions Features Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS1WM 
•Bus Master Macro
•Verilog/VHDL macro for ASIC 1-Wire® bus master
  -  See Data Sheet  - 
DS2480B 
•1-Wire Bridge
•Connects UART protocol (5V RS-232) to 1-Wire.
 4.5 to 5.5 SOIC(N)/8 31
See All 1-Wire Interface Products (5)

Key Specifications:   ESD Protection Diode Arrays
Part Number Protection Method Number of Channels Capacitance (pF) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS9502  7.5V Snap-Back Zener 1 100 0.9 to 5.5 TSOC/6 18
DS9503  7.5V Snap-Back Zener with Two 5 Ohm Resistors 1 100  -  TSOC/6 18
See All ESD Protection Diode Arrays (13)

Key Specifications:   Precision ADCs (< 5Msps)
Part Number ADC Resolution (Bits) Input Channels Conv. Rate (ksps) Max. Conv. Time (µs) Data Bus (Bits) Ref. (V) Input Range (V) Diff. In Supply Voltage (V) Typ. Supply Current (mA) Typ. Power (mW) Standby Mode Package
DS2450  16 4 1 1440 1-Wire Int. 2.56
5.12 		No 5 0.5 2.5 Yes SOIC (W)/8
See All Precision ADCs (< 5Msps) (375)

Key Specifications:   Temperature Sensors
Part Number Sensor Type Interface Accuracy (±°C) Parasite Power Temperature Threshold Temperature Resolution (Bits) Multi-Droppable Operating Temp. Range (°C) Smallest Available Package (max w/pins) (mm2)
DS1822  Local 1-Wire 2 Yes Programmable (NV) 9
10
11
12 		Yes -55 to +125 20
DS18B20  Local 1-Wire 0.5 Yes Programmable (NV) 9
10
11
12 		Yes -55 to +125 16
See All Temperature Sensors (99)
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