MCP40D17/18/19 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP40D17/18/19 Data SheetThe MCP40D17/8/9 devices offer a wide range of product offerings using an I2C™Compatible interface. This family of devices support a 7-bit resistor network, volatile memory configuration, and potentiometer and rheostat pinouts. This device family is offered in miniature 5 and 6 lead SC-70 packaging.
Parameter NameValue
Temp. Range (°C)-40 to +125
Volatile / Non VolatileVolatile
Number of Taps128
Resistance (ohms) K5, 10, 50, 100
# per Package1
INL (Max)0.5
DNL (Max)0.25
InterfaceI²C™
Features
* Potentiometer or Rheostat configuration options
*7-bit: Resistor Network Resolution
- 127 Resistors (128 Steps)
* Zero Scale to Full Scale Wiper operation
* RAB Resistances: 5kohm, 10kohm, 50kohm or 100kohm
* Low Wiper Resistance: 100ohm (typical)
* Low Tempco:
- Absolute (Rheostat): 50 ppm typical (0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
* Simple I2C™Compatible Protocol with read & write commands
* Brown-out reset protection (1.5V typical)
* Power-on Default Wiper Setting (Mid-scale)
* Low-Power Operation: 2.5 μA Static Current (typ)
* Wide Operating Voltage Range:
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
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