Maxim Integrated DS1857B-050
- Part Number:
- DS1857B-050
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3020767-DS1857B-050
- Description:
- IC RES TEMP 50/50K W/2MON 16-BGA
- Datasheet:
- DS1857B-050
Description
The DS1857 is a dual temperature-controlled nonvolatile (NV) variable resistor with external temperature input and monitors. It consists of two 50kΩ, 256-position linear variable resistors, two analog monitor inputs (MON1, MON2), and an external temperature sensor input. The device provides a 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.
Features
Four total monitored channels (temperature, Vcc, MON1, MON2)
Two external analog inputs (MON1, MON2)
Interface to external temperature sensor (LM50)
Two 50kΩ, linear, 256-position, nonvolatile temperature-controlled variable resistors
Resistor settings changeable every 2°C
Access to monitoring and ID information
Configurable with separate device addresses
Resistor disable (open-circuit) function
2-wire serial interface
Three address lines for multiple devices
Operates from a 3.3V or 5V supply
Applications
SFF-8472 compatible optical transceivers
Optical transponders
Instrumentation and industrial controls
RF power amps
Diagnostic monitoring
The DS1857 is a dual temperature-controlled nonvolatile (NV) variable resistor with external temperature input and monitors. It consists of two 50kΩ, 256-position linear variable resistors, two analog monitor inputs (MON1, MON2), and an external temperature sensor input. The device provides a 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.
Features
Four total monitored channels (temperature, Vcc, MON1, MON2)
Two external analog inputs (MON1, MON2)
Interface to external temperature sensor (LM50)
Two 50kΩ, linear, 256-position, nonvolatile temperature-controlled variable resistors
Resistor settings changeable every 2°C
Access to monitoring and ID information
Configurable with separate device addresses
Resistor disable (open-circuit) function
2-wire serial interface
Three address lines for multiple devices
Operates from a 3.3V or 5V supply
Applications
SFF-8472 compatible optical transceivers
Optical transponders
Instrumentation and industrial controls
RF power amps
Diagnostic monitoring
Maxim Integrated DS1857B-050 technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS1857B-050.
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case16-LBGA, CSPBGA
- Number of Pins16
- Operating Temperature-40°C~95°C
- PackagingTray
- Published2004
- JESD-609 Codee1
- FeatureSelectable Address
- Pbfree Codeno
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)3 (168 Hours)
- Number of Terminations16
- ECCN CodeEAR99
- Temperature Coefficient50 ppm/°C
- Resistance50kOhm
- Terminal FinishTin/Silver/Copper (Sn/Ag/Cu)
- Voltage - Supply3V~5.5V
- Terminal PositionBOTTOM
- Terminal FormBALL
- Peak Reflow Temperature (Cel)240
- Number of Functions1
- Supply Voltage3.3V
- Terminal Pitch1mm
- Frequency400kHz
- Reflow Temperature-Max (s)20
- Base Part NumberDS1857
- Pin Count16
- Operating Supply Voltage5V
- Supply Voltage-Min (Vsup)3V
- ConfigurationPotentiometer
- InterfaceI2C
- Number of Circuits2
- Analog IC - Other TypeANALOG CIRCUIT
- Nominal Supply Current2mA
- Memory TypeNon-Volatile
- TaperLinear
- Number of Taps256
- Height Seated (Max)1.5mm
- Length4mm
- Width4mm
- Radiation HardeningNo
- RoHS StatusNon-RoHS Compliant
- Lead FreeContains Lead
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