MCP4361-103E Datasheet, PDF (1/80 Pages) Microchip Technology – 7/8-Bit Quad SPI Digital POT with Non-Volatile Memory

MCP434X/436X
7/8-Bit Quad SPI Digital POT with
Non-Volatile Memory
Features
• Quad Resistor Network
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
- 7-bit: 128 Resistors (129 Taps)
- 8-bit: 256 Resistors (257 Taps)
• R_AB Resistances options of:
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
• Zero Scale to Full Scale Wiper operation
• Low Wiper Resistance: 75 Ω (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
• Resistor Network Terminal Disconnect Feature
via Terminal Control (TCON) Register
• Reset input pin
• 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 (-3 dB) Operation:
- 2 MHz (typical) for 5.0 kΩ device
• Extended temperature range (-40°C to +125°C)
Package Types (Top View)
MCP43X1 Quad Potentiometers
P3A 1
P3W 2
P3B 3
CS 4
SCK 5
SDI 6
V_{SS 7}
P1B 8
P1W 9
P1A 10
20 ^P2A
19 P2W
18 P2B
17 V_DD
16 SDO
15 RESET
14 WP
12 ^P0B
12 P0W
11 ^P0A
TSSOP
P3B 1 ^{20 19 18 17 16 15 VDD}
14 SDO
CS 2
SCK 3
SDI ₄
EP
21
13 RESET
12 WP
V_{SS 5}
11 P0B
6 7 8 9 10
4x4 QFN
MCP43X2 Quad Rheostat
P3W
P3B
CS
SCK
SDI
V_SS
P1B
1
14
2
13
3
12
4
11
5
10
6
9
7
8
TSSOP
P2W
P2B
V_DD
SDO
P0B
P0W
P1W
© 2009 Microchip Technology Inc.
DS22233A-page 1