Microchip mcp4142 Manual

Microchip Ikke kategoriseret mcp4142

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© 2008 Microchip Technology Inc. DS22059B-page 1
MCP414X/416X/424X/426X
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 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
• Zero-Scale to Full-Scale Wiper operation
• Low Wiper Resistance: 75Ω (typical)
• Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
• Non-volatile Memory
- Automatic Recall of Saved Wiper Setting
- WiperLock™ Technology
• SPI serial interface (10 MHz, modes 0,0 & 1,1)
- High-Speed Read/Writes to wiper registers
- Read/Write to Data EEPROM registers
- Serially enabled EEPROM write protect
- SDI/SDO multiplexing (MCP41X1 only)
• Resistor Network Terminal Disconnect Feature
via:
- Shutdown pin (SHDN)
- Terminal Control (TCON) Register
• Write Protect Feature:
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs
• 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 kΩ device
• Extended temperature range (-40°C to +125°C)
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface.
WiperLock Technology allows application-specific
calibration settings to be secured in the EEPROM.
Package Types (top view)
1
2
3
4 5
6
7
8
P0W
P0B
P0AVSS
VDD
MCP41X1
Single Potentiometer
PDIP, SOIC, MSOP
CS
SDI/SDO
SCK
1
2
3
4 5
6
7
8
P0B
SDO
P0W
V
DD
MCP41X2
Single Rheostat
PDIP, SOIC, MSOP
1
2
3
411
12
13
14
SHDN
SDO
WP
VDD
MCP42X1 Dual Potentiometers
PDIP, SOIC, TSSOP
5
6
78
9
10 P0W
P0B
P0A
P1A
P1W
P1B
V
SS
CS
SDI
SCK
VSS
CS
SDI
SCK
4x4 QFN*
1
2
3
47
8
9
10
SDO
VDD
MCP42X2 Dual Rheostat
MSOP, DFN
56
P0B
P0W
P1W
P1B
VSS
CS
SDI
SCK
3x3 DFN*
SDI/SDO
SCK
VSS
P0B
P0W
1
2
3
4
8
7
6
5 P0A
CS
EP
9
3x3 DFN*
SDI
SCK
VSS
SDO
P0B
1
2
3
4
8
7
6
5 P0W
VDD
CS
EP
9
VDD
3x3 DFN*
SDI
SCK
VSS
SDO
P0B
1
2
3
4
10
9
8
7 P0W
CS
EP
11
VDD
56
P1B P1W
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2
VSS
VSS
SCK WP
NC
P1B
P0B
P1W
P1A
P0A
P0W
CS
VDD
SDO
SHDN
SDI EP
16
1
15 14 13
3
4
12
11
10
9
5 6 7 8
17
7/8-Bit Single/Dual SPI Digital POT with
Non-Volatile Memory
MCP414X/416X/424X/426X
DS22059B-page 2 © 2008 Microchip Technology Inc.
Device Block Diagram
Device Features
Device
# of POTs
Wiper
Configuration
Control
Interface
Memory
Type
WiperLock
Technology
POR Wiper
Setting
Resistance (typical)
# of Steps
VDD
Operating
Range (2)
RAB Options (kΩ)
Wiper
- RW
( )Ω
MCP4131 (3) 1 Potentiometer
(1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4132 (3) 1 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4141 1 Potentiometer
(1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4142 1 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4151 (3) 1 Potentiometer
(1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4152 (3) 1 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4161 1 Potentiometer
(1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4162 1 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4231 (3) 2 Potentiometer
(1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4232 (3) 2 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4241 2 Potentiometer
(1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4242 2 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4251 (3) 2 Potentiometer
(1) SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4252 (3) 2 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4261 2 Potentiometer
(1) SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4262 2 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
Note 1: Floating either terminal (A or B) allows the device to be used as a Rheostat (variable resistor).
2: Analog characteristics only tested from 2.7V to 5.5V unless otherwise noted.
3: Please check Microchip web site for device release and availability
Power-up/
Brown-out
Control
VDD
VSS
SPI Serial
Interface
Module &
Control
Logic
(WiperLock™
Technology)
Resistor
Network 0
(Pot 0)
Wiper 0
& TCON
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON
Register
CS
SCK
SDI
SDO
WP
SHDN
Memory (16x9)
Wiper0 (V & NV)
Wiper1 (V & NV)
TCON
STATUS
Data EEPROM
(10 x 9-bits)
P0A
P0W
P0B
P1A
P1W
P1B
For Dual Resistor Network
Devices Only
For Dual Potentiometer
Devices Only

Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: mcp4142

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