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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/8 31
See All 1-Wire Interface Products (4)

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 19
DS9503  7.5V Snap-Back Zener with Two 5 Ohm Resistors 1 100  -  TSOC/6 19
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) Low Power Mode Standby Mode EV-Kit Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS2450  16 4 1 1440 1-Wire Int. 2.56
5.12
No 5 0.5 2.5 Yes Yes No SOIC/8 44 -40 to +85
See All Precision ADCs (< 5Msps) (302)

Key Specifications:   Temperature Sensors
Part Number Sensor Type Interface Accuracy (±°C) Parasite Power Temperature Threshold Temperature Resolution (Bits) Multi-Droppable Features Package Smallest Available Package (max w/pins) (mm2)
DS1822  Local 1-Wire 2 Yes Programmable (NV) 10
11
12
9
Yes
Single-Wire Interface
Unique Network Address
SOIC/8
TO92/3
20
DS18B20  Local 1-Wire 0.5 Yes Programmable (NV) 10
11
12
9
Yes
High Accuracy
Single-Wire Interface
Unique Network Address
SOIC/8
TO92/3
uSOP/8
16
See All Temperature Sensors (97)





         


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