DS1856B-025 Maxim Integrated Products, DS1856B-025 Datasheet - Page 20

• Manufacturer Part Number: DS1856B-025
• Description: Digital Potentiometer ICs
• Manufacturer: Maxim Integrated Products

Specifications of DS1856B-025

• Number Of Pots: Dual
• Taps Per Pot: 256
• Resistance: 2.5 KOhms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (2-Wire)
• Operating Supply Voltage: 3.3 V, 5 V
• Supply Current: 2 mA
• Maximum Operating Temperature: + 95 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.85 V
• Package / Case: CSBGA-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
20
Threshold
Threshold
User ROM
A2D Value
____________________________________________________________________
3
4
Mon2 High Alarm ..... <R-all/W-pw2><NV><FFFFh> Voltage measurements of the Mon2
Mon2 Low Alarm ...... <R-all/W-pw2><NV><0000h> Voltage measurements of the Mon2
Mon2 High Warning. <R-all/W-pw2><NV><FFFFh> Voltage measurements of the Mon2
Mon2 Low Warning .. <R-all/W-pw2><NV><0000h> Voltage measurements of the Mon2
Mon3 High Alarm ..... <R-all/W-pw2><NV><FFFFh> Voltage measurements of the Mon3
Mon3 Low Alarm ...... <R-all/W-pw2><NV><0000h> Voltage measurements of the Mon3
Mon3 High Warning. <R-all/W-pw2><NV><FFFFh> Voltage measurements of the Mon3
Mon3 Low Warning .. <R-all/W-pw2><NV><0000h> Voltage measurements of the Mon3
User ROM ................. <R-all/W-pw2><NV><00h> Nonvolatile EEPROM memory.
Temp Meas ................ <R-all><W-NA><0000h> The signed two's complement Direct-to-
V
Mon1 Meas................ <R-all><W-NA><0000h> Unsigned voltage measurement.
Mon2 Meas................ <R-all><W-NA><0000h> Unsigned voltage measurement.
0
CC
Meas ................... <R-all><W-NA><0000h> Unsigned voltage measurement.
input above this unsigned threshold set its corresponding alarm bit.
Measurements below this threshold clear the alarm bit.
input below this unsigned threshold set its corresponding alarm bit.
Measurements above this threshold clear the alarm bit.
input above this unsigned threshold set its corresponding warning
bit. Measurements below this threshold clear the warning bit.
input below this unsigned threshold set its corresponding warning
bit. Measurements above this threshold clear the warning bit.
input above this unsigned threshold set its corresponding alarm bit.
Measurements below this threshold clear the alarm bit.
input below this unsigned threshold set its corresponding alarm bit.
Measurements above this threshold clear the alarm bit.
input above this unsigned threshold set its corresponding warning
bit. Measurements below this threshold clear the warning bit.
input below this unsigned threshold set its corresponding warning
bit. Measurements above this threshold clear the warning bit.
Temperature measurement.
Register Descriptions (continued)