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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP40D19 Datasheet

7-Bit Single I2C (with Command Code) Digital POT

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MCP40D17/18/19
7-Bit Single I2C™ (with Command Code) Digital POT
with Volatile Memory in SC70
Features
• Potentiometer or Rheostat configuration options
• 7-bit: Resistor Network Resolution
- 127 Resistors (128 Steps)
• Zero Scale to Full Scale Wiper operation
• RAB Resistances: 5 kΩ, 10 kΩ, 50 kΩ, or 100 kΩ
• Low Wiper Resistance: 100Ω (typical)
• Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
• I2C Protocol
- Supports SMBus 2.0 Write Byte/Word
Protocol Formats
- Supports SMBus 2.0 Read Byte/Word
Protocol Formats
• Standard I2C Device Addresses:
- All devices offered with address “0101110
- MCP40D18 also offered with address
0111110
• Brown-out reset protection (1.5V typical)
• Power-on Default Wiper Setting (Mid-scale)
• Low-Power Operation:
- 2.5 µA Static Current (typical)
• Wide Operating Voltage Range:
- 2.7V to 5.5V - Device Characteristics
Specified
- 1.8V to 5.5V - Device Operation
• Wide Bandwidth (-3 dB) Operation:
- 2 MHz (typical) for 5.0 kΩ device
• Extended temperature range (-40°C to +125°C)
• Very small package (SC70)
• Lead free (Pb-free) package
Package Types
Potentiometer
MCP40D18
SC70-6
VDD 1
A
6A
VSS 2
B
SCL 3
5W
W
4 SDA
Rheostat
MCP40D17
SC70-6
VDD 1
VSS 2
SCL 3
A
W6W
B5 B
4 SDA
MCP40D19
SC70-5
VDD 1
W
VSS 2
B
SCL 3
5W
A
4 SDA
Applications
• PC Servers (I2C Protocol with Command Code)
• Amplifier Gain Control and Offset Adjustment
• Sensor Calibration (Pressure, Temperature,
Position, Optical and Chemical)
• Set point or offset trimming
• Cost-sensitive mechanical trim pot replacement
• RF Amplifier Biasing
• LCD Brightnes and Contract Adjustment
Device Features
Resistance (typical)
www.DataSheet4U.com
Device
Wiper
Configuration
Options (kΩ)
Wiper
(Ω)
MCP40D17
MCP40D18
MCP40D19
I2C 128 Rheostat
RAM
I2C 128 Potentiometer RAM
I2C 128 Rheostat
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
75
75
75
Note 1: Analog characteristics only tested from 2.7V to 5.5V
VDD
Operating
Range ( 1)
1.8V to 5.5V
1.8V to 5.5V
1.8V to 5.5V
Package
SC70-6
SC70-6
SC70-5
© 2009 Microchip Technology Inc.
DS22152B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP40D19 Datasheet

7-Bit Single I2C (with Command Code) Digital POT

No Preview Available !

MCP40D17/18/19
Device Block Diagram
VDD
VSS
SCL
SDA
Power-up/
Brown-out
Control
I2C Serial
Interface
Module,
Control
Logic, &
Memory
Resistor
Network 0
(Pot 0)
Note 1
A (2)
W
B (1, 2)
Note 1: Some configurations will have this
signal internally connected to
ground.
2: In some configurations, this signal
may not be connected externally
(internally floating or grounded).
Comparison of Similar Microchip Devices ( 1)
Resistance (typical)
Device
Wiper
Configuration
Options (kΩ)
VDD
Operating
Range
Package
MCP40D17 ( 2) I2C 128 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V No No SC70-6
MCP4017 ( 2, 4) I2C 128 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V No No SC70-6
MCP4012 ( 2) U/D 64
Rheostat
RAM 2.1, 5.0, 10.0, 50.0 1.8V to 5.5V Yes No SOT-23-6
MCP4022 ( 2) U/D 64
Rheostat
EE 2.1, 5.0, 10.0, 50.0 2.7V to 5.5V Yes Yes SOT-23-6
MCP4132 ( 3) SPI 129 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V Yes No PDIP-8,
MCP4142 ( 3)
MCP4152 ( 3)
MCP4162 ( 3)
SPI 129
SPI 257
SPI 257
Rheostat
Rheostat
Rheostat
EE 5.0, 10.0, 50.0, 100.0 2.7V to 5.5V Yes Yes SOIC-8,
RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V Yes
No
MSOP-8,
DFN-8
EE 5.0, 10.0, 50.0, 100.0 2.7V to 5.5V Yes Yes
MCP4532 ( 3) I2C 129 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V Yes No MSOP-8,
MCP4542 ( 3) I2C 129 Rheostat
EE 5.0, 10.0, 50.0, 100.0 2.7V to 5.5V Yes Yes DFN-8
MCP4552 ( 3) I2C 257 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V Yes No
MCP4562 ( 3) I2C 257 Rheostat
EE 5.0, 10.0, 50.0, 100.0 2.7V to 5.5V Yes Yes
MCP40D18 ( 2) I2C 128 Potentiometer RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V No No SC70-6
MCP4018 ( 2, 4) I2C 128 Potentiometer RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V No No SC70-6
MCP4013 ( 2) U/D 64 Potentiometer RAM 2.1, 5.0, 10.0, 50.0 1.8V to 5.5V Yes No SOT-23-6
MCP4023 ( 2) U/D 64 Potentiometer EE 2.1, 5.0, 10.0, 50.0 2.7V to 5.5V Yes Yes SOT-23-6
MCP40D19 ( 2) I2C 128 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V No No SC70-5
MCP4019 ( 2, 4) I2C 128 Rheostat RAM 5.0, 10.0, 50.0, 100.0 1.8V to 5.5V No No SC70-5
MCP4014 ( 2) U/D 64
Rheostat
RAM 2.1, 5.0, 10.0, 50.0 1.8V to 5.5V Yes No SOT-23-5
MCP4024 ( 2) U/D 64
Rheostat
EE 2.1, 5.0, 10.0, 50.0 2.7V to 5.5V Yes Yes SOT-23-5
www.DatNaSohteeet14:U.cTohmis table is broken into three groups by a thick line (and color coding). The unshaded devices in this table
are the devices described in this data sheet, while the shaded devices offer a comparable resistor network
configuration.
2: Analog characteristics only tested from 2.7V to 5.5V.
3: Analog characteristics only tested from 3.0V to 5.5V.
4: These devices have a simplified I2C command format, which allows higher data throughput.
DS22152B-page 2
© 2009 Microchip Technology Inc.


Part Number MCP40D19
Description 7-Bit Single I2C (with Command Code) Digital POT
Maker Microchip Technology
Total Page 30 Pages
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