标题: MCP40D17/18/19 Data Sheet [打印本页] 作者: admin 时间: 2010-4-17 17:44 标题: MCP40D17/18/19 Data Sheet MCP40D17/18/19 Data Sheet
The 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 Name Value
Temp. Range (°C) -40 to +125
Volatile / Non Volatile Volatile
Number of Taps 128
Resistance (ohms) K 5, 10, 50, 100
# per Package 1
INL (Max) 0.5
DNL (Max) 0.25
Interface I²C™
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
