MCP4251-104E/SL Microchip Technology, MCP4251-104E/SL Datasheet - Page 35
MCP4251-104E/SL
Manufacturer Part Number
MCP4251-104E/SL
Description
IC DGTL POT 100K 2CH 14SOIC
Manufacturer
Microchip Technology
Datasheet
1.MCP4131-502EP.pdf
(88 pages)
Specifications of MCP4251-104E/SL
Taps
257
Resistance (ohms)
100K
Number Of Circuits
2
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Volatile
Interface
SPI Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Resistance In Ohms
100K
End To End Resistance
100kohm
No. Of Steps
257
Resistance Tolerance
± 20%
Supply Voltage Range
1.8V To 5.5V
Control Interface
SPI
No. Of Pots
Dual
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MCP4251-104-E/SL
MCP4251-104-E/SL
MCP4251-104-E/SL
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MCP413X/415X/423X/425X
4.2.1.2
Terminal Control (TCON) Register
This register contains 8 control bits. Four bits are for
Wiper 0, and four bits are for Wiper 1.
Register 4-2
describes each bit of the TCON register.
The state of each resistor network terminal connection
is individually controlled. That is, each terminal
connection (A, B and W) can be individually connected/
disconnected from the resistor network. This allows the
system to minimize the currents through the digital
potentiometer.
The value that is written to this register will appear on
the resistor network terminals when the serial
command has completed.
On a POR/BOR this register is loaded with 1FFh
(9-bits), for all terminals connected. The Host
Controller needs to detect the POR/BOR event and
then update the Volatile TCON register value.
© 2008 Microchip Technology Inc.
DS22060B-page 35
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