MCP40D17 Microchip Technology Inc., MCP40D17 Datasheet
MCP40D17
Manufacturer Part Number
MCP40D17
Description
7-bit Single I 2 C? With Command Code Digital Pot With Volatile Memory In Sc70
Manufacturer
Microchip Technology Inc.
Datasheet
1.MCP40D17.pdf
(66 pages)
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Features
• Potentiometer or Rheostat configuration options
• 7-bit: Resistor Network Resolution
• Zero Scale to Full Scale Wiper operation
• R
• Low Wiper Resistance: 100Ω (typical)
• Low Tempco:
• I
• Standard I
• Brown-out reset protection (1.5V typical)
• Power-on Default Wiper Setting (Mid-scale)
• Low-Power Operation:
• Wide Operating Voltage Range:
• Wide Bandwidth (-3 dB) Operation:
• Extended temperature range (-40°C to +125°C)
• Very small package (SC70)
• Lead free (Pb-free) package
Device Features
© 2009 Microchip Technology Inc.
Device
MCP40D17
MCP40D18
MCP40D19
Note 1:
- 127 Resistors (128 Steps)
- Absolute (Rheostat): 50 ppm typical
- Ratiometric (Potentiometer): 15 ppm typical
- Supports SMBus 2.0 Write Byte/Word
- Supports SMBus 2.0 Read Byte/Word
- All devices offered with address “0101110”
- MCP40D18 also offered with address
- 2.5 µA Static Current (typical)
- 2.7V to 5.5V - Device Characteristics
- 1.8V to 5.5V - Device Operation
- 2 MHz (typical) for 5.0 kΩ device
2
AB
C Protocol
(0°C to 70°C)
Protocol Formats
Protocol Formats
“0111110”
Specified
7-Bit Single I
Resistances: 5 kΩ, 10 kΩ, 50 kΩ, or 100 kΩ
Analog characteristics only tested from 2.7V to 5.5V
2
C Device Addresses:
I
I
I
2
2
2
C
C
C
128
128
128
Configuration
with Volatile Memory in SC70
Potentiometer
2
Rheostat
Rheostat
C™ (with Command Code) Digital POT
Wiper
MCP40D17/18/19
RAM
RAM
RAM
5.0, 10.0, 50.0, 100.0
5.0, 10.0, 50.0, 100.0
5.0, 10.0, 50.0, 100.0
Options (kΩ)
Resistance (typical)
Package Types
Applications
• PC Servers (I
• Amplifier Gain Control and Offset Adjustment
• Sensor Calibration (Pressure, Temperature,
• Set point or offset trimming
• Cost-sensitive mechanical trim pot replacement
• RF Amplifier Biasing
• LCD Brightnes and Contract Adjustment
Position, Optical and Chemical)
SCL
V
V
DD
SS
Potentiometer
1
2
3
MCP40D18
SC70-6
B
A
2
Wiper
C Protocol with Command Code)
W
(Ω)
75
75
75
6 A
5 W
4
SDA
1.8V to 5.5V SC70-6
1.8V to 5.5V SC70-6
1.8V to 5.5V SC70-5
Operating
Range
V
SCL
V
V
SCL
V
V
DD
DD
SS
DD
SS
( 1)
1
2
3
1
2
3
MCP40D17
MCP40D19
Rheostat
SC70-6
B
DS22152B-page 1
SC70-5
A
Package
W
W
B
A
6 W
5 B
4
5 W
4
SDA
SDA
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