MCP434X MICROCHIP [Microchip Technology], MCP434X Datasheet
MCP434X
Manufacturer Part Number
MCP434X
Description
7/8-Bit Quad SPI Digital POT with Non-Volatile Memory
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP434X.pdf
(80 pages)
Features
• Quad Resistor Network
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
• R
• Zero Scale to Full Scale Wiper operation
• Low Wiper Resistance: 75 Ω (typical)
• Low Tempco:
• Non-volatile Memory
• SPI serial interface (10 MHz, modes 0,0 & 1,1)
• Resistor Network Terminal Disconnect Feature
• Reset input pin
• Write Protect Feature:
• 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:
• Wide Bandwidth (-3 dB) Operation:
• Extended temperature range (-40°C to +125°C)
© 2009 Microchip Technology Inc.
- 7-bit: 128 Resistors (129 Taps)
- 8-bit: 256 Resistors (257 Taps)
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
- Absolute (Rheostat): 50 ppm typical
- Ratiometric (Potentiometer): 15 ppm typical
- Automatic Recall of Saved Wiper Setting
- WiperLock™ Technology
- High-Speed Read/Writes to wiper registers
- Read/Write to Data EEPROM registers
- Serially enabled EEPROM write protect
via Terminal Control (TCON) Register
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
- 2.7V to 5.5V - Device Characteristics
- 1.8V to 5.5V - Device Operation
- 2 MHz (typical) for 5.0 kΩ device
AB
(0°C to 70°C)
Specified
Resistances options of:
7/8-Bit Quad SPI Digital POT with
Non-Volatile Memory
MCP434X/436X
Package Types (Top View)
SCK
P3B
SDI
V
CS
MCP43X1 Quad Potentiometers
SS
MCP43X2 Quad Rheostat
P3W
SCK
P1W
P3A
P1B
P1A
P3W
SCK
P3B
1
3
SDI
V
2
4
5
P3B
P1B
SDI
V
CS
CS
SS
SS
20
6
4x4 QFN
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
19
7
TSSOP
TSSOP
EP
21
18
8
17
9
20
19
18
17
16
15
14
12
12
11
14
13
12
10
11
10
9
8
16
V
SDO
RESET
WP
P0B
P0W
P0A
P2A
P2W
P2B
V
SDO
P0B
P0W
P2W
P2B
P1W
15
13 RESET
12
DD
14
11
DD
DS22233A-page 1
V
SDO
WP
P0B
DD
Related parts for MCP434X
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
Low-Cost NV Digital POT with WiperLock™ Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
8-Pin Flash Microcontrollers with nanoWatt XLP Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
8-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
500mA Fixed Output CMOS LDO with Shutdown
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
500mA Fixed Output, Fast Response CMOS LDO with Shutdown
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
1.5A Dual Open-Drain MOSFET Drivers
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet:
Part Number:
Description:
Single/Dual Digital Potentiometer with SPI™ Interface
Manufacturer:
MICROCHIP [Microchip Technology]
Datasheet: