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MCP4542 fiches techniques PDF

Microchip - 7/8-Bit Single/Dual I2C Digital POT

Numéro de référence MCP4542
Description 7/8-Bit Single/Dual I2C Digital POT
Fabricant Microchip 
Logo Microchip 





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MCP4542 fiche technique
MCP453X/455X/463X/465X
7/8-Bit Single/Dual I2C Digital POT with
Volatile Memory
Features:
• Single or Dual Resistor Network Options
• Potentiometer or Rheostat Configuration Options
• Resistor Network Resolution
- 7-bit: 128 Resistors (129 Steps)
- 8-bit: 256 Resistors (257 Steps)
• RAB Resistances Options of:
- 5 k
- 10 k
- 50 k
- 100 k
• Zero-Scale to Full-Scale Wiper Operation
• Low Wiper Resistance: 75(typical)
• Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
• I2C Serial Interface
- 100 kHz, 400 kHz and 3.4 MHz Support
• Serial Protocol Allows:
- High-Speed Read/Write to Wiper
- Increment/Decrement of Wiper
• Resistor Network Terminal Disconnect Feature
via the Terminal Control (TCON) Register
• Brown-Out Reset Protection (1.5V typical)
• Serial Interface Inactive Current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: up to 12.5V
• Wide Operating Voltage:
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
• Wide Bandwidth (-3dB) Operation:
- 2 MHz (typical) for 5.0 kDevice
• Extended Temperature Range (-40°C to +125°C)
Description:
The MCP45XX and MCP46XX devices offer a wide
range of product offerings using an I2C interface. This
family of devices support 7-bit and 8-bit resistor
networks, volatile memory configurations, and
Potentiometer and Rheostat pinouts.
Package Types (top view)
MCP45X1
Single Potentiometer
MCP45X2
Single Rheostat
HVC / A0
SCL
SDA
VSS
18
27
36
45
MSOP
VDD
P0B
P0W
P0A
HVC / A0
SCL
SDA
VSS
18
27
36
45
MSOP
VDD
A1
P0B
P0W
HVC / A0 1
8 VDD HVC / A0 1
8 VDD
SCL 2 EP 7 P0B
SDA 3 9 6 P0W
SCL 2 EP 7 A1
SDA 3 9 6 P0B
VSS 4
5 P0A
VSS 4
5 P0W
DFN 3x3 (MF) *
DFN 3x3 (MF) *
MCP46X1 Dual Potentiometers
HVC/A0
SCL
SDA
VSS
P1B
P1W
P1A
1
2
3
4
5
6
7
14 VDD
16 15 14 13
13 A1 SCL 1
12 NC
12 A2 SDA 2 EP 11 NC
11 NC
10 P0B
9 P0W
8 P0A
VSS 3
17 10 P0B
VSS 4
9 P0W
5678
TSSOP
QFN-16 4x4 (ML) *
MCP46X2 Dual Rheostat
HVC/A0
SCL
SDA
VSS
P1B
1 10
29
38
47
56
MSOP
VDD HVC / A0 1
A1
P0B
P0W
P1W
SCL 2
SDA 3
VSS 4
P1B 5
10 VDD
9 A1
EP 8 P0B
11 7 P0W
6 P1W
DFN 3x3 (MF) *
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2008-2013 Microchip Technology Inc.
DS22096B-page 1

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