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MCP433X Datasheet(PDF) 1 Page - Microchip Technology

Part # MCP433X
Description  7/8-Bit Quad SPI Digital POT with Volatile Memory
PDF  88 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP433X Datasheet(HTML) 1 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22242A-page 1
MCP433X/435X
Features
• Quad Resistor Network
• Potentiometer or Rheostat Configuration Options
• Resistor Network Resolution:
- 7-bit: 128 Resistors (129 Taps)
- 8-bit: 256 Resistors (257 Taps)
•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
• SPI Serial Interface (10 MHz, Modes 0,0 and 1,1):
- High-Speed Read/Writes to wiper registers
• Resistor Network Terminal Disconnect Feature
via Terminal Control (TCON) Register
• Reset Input Pin
• Brown-out Reset Protection (1.5V typical)
• Serial Interface Inactive Current (2.5 µA 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 k
 device
• Extended Temperature Range (-40°C to +125°C)
Package Types (Top View)
MCP43X1 Quad Potentiometers
TSSOP
1
2
3
4
14
15
17
18
67
89
12
13 RESET
SDO
NC
SDI
P3B
SCK
CS
19
20
VDD
MCP43X2 Quad Rheostat
TSSOP
5
VSS
10
11 P0B
16
1
2
3
4
17
18
19
20
RESET
SDO
NC
VDD
5
6
7
14
15
16
P0W
P0B
P0A
P1A
P1W
P1B
VSS
CS
SDI
SCK
8
9
10
P3B
P3W
P3A
12
13
P2W
P2A
P2B
11
1
2
3
4
11
12
13
14
P0B
SDO
P0W
VDD
5
6
7
8
9
10
P2W
P1W
P2B
P3B
P3W
P1B
VSS
CS
SDI
SCK
EP
21
MCP43X1 Quad Potentiometers
4x4 QFN*
* Includes Exposed Thermal Pad (EP); see Table 3-1.
7/8-Bit Quad SPI Digital POT with Volatile Memory


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