DS1856M Dual, Temperature-Controlled Resistors with Calibrated Monitors and Password Protection
●The DS1856M dual, temperature-controlled, nonvolatile(NV) variable resistors with three monitors consists of two 256-position, linear, variable resistors; three analog monitor inputs (MON1, MON2, MON3); and a direct-to-digital temperature sensor. The device provides an ideal method for setting and temperature-compensating bias voltages and currents in control applications using minimal circuitry. The variable resistor settings are stored in EEPROM memory and can be accessed over the 2-wire serial bus.
●The DS1856M includes 128 bytes of EEPROM memory at A2h slave address, Table 00/01. The DS1856M also includes three-levels of password protection. The DS1856-01 includes 256 bytes of A0h EEPROM memory. The DS1856B-M50+ and DS1856E-M50+ are drop-in replacements for the DS1856B-050+ and DS1866E-050+, respectively. The enhancements include 256 bytes of EEPROM at A0h; selectable MON2, MON3 references; and a 13-bit ADC. These are backward compatible by default with the DS1856B-050+/DS1856E-050+.
■Features
●SFF-8472 Compatible
●13-Bit ADC
●Two Linear, 256-Position, Nonvolatile Temperature-Controlled Variable Resistors with 2°C Resolution
●Three Levels of Security
●Access to Monitoring and ID Information Configurable with Separate Device Addresses
●2-Wire Serial Interface
●Two Buffers with TTL/CMOS-Compatible Inputs and Open-Drain Outputs
●Operates from a 3.3V or 5V Supply
●-40°C to +95°C Operating Temperature Range
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DS1856M 、 DS1856-01 、 DS1856E-M50 、 DS1856B-M50 、 DS1856B-050+ 、 DS1866E-050+ 、 DS1856B-M50+ 、 DS1856B-M50+T&R 、 DS1856E-M50+ 、 DS1856E-M50+T&R 、 DS1856E-050+ |
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Dual, Temperature-Controlled Resistors with Calibrated Monitors and Password Protection |
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[ Optical Transceivers ][ Optical Transponders ][ Instrumentation ][ Industrial Controls ][ RF Power Amps ][ Diagnostic Monitoring ] |
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Datasheet |
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Please see the document for details |
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CSBGA;TSSOP |
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English Chinese Chinese and English Japanese |
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6/13 |
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Rev 1 |
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19-6395 |
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829 KB |
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