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参数资料
型号： MCP4531T-503E/UN
元件分类： 数字电位计
英文描述： DIGITAL POTENTIOMETER, PDSO10
封装： PLASTIC, MSOP-10
文件页数： 1/88页
文件大小： 2310K
代理商： MCP4531T-503E/UN
2008 Microchip Technology Inc.
DS22096A-page 1
MCP453X/455X/463X/465X
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
Ω
-10 k
Ω
-50 k
Ω
- 100 k
Ω
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
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 k
Ω device
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 Potenti-
ometer and Rheostat pinouts.
Package Types (top view)
1
2
3
4
5
6
7
8
P0W
P0B
P0A
VSS
VDD
MCP45X1
Single Potentiometer
MSOP
HVC / A0
SDA
SCL
1
2
3
4
5
6
7
8
P0B
A1
P0W
VDD
MSOP
1
2
3
4
11
12
13
14
A2
A1
NC
VDD
MCP46X1 Dual Potentiometers
TSSOP
5
6
7
8
9
10
P0W
P0B
P0A
P1A
P1W
P1B
VSS
HVC / A0
SDA
SCL
VSS
HVC/A0
SDA
SCL
QFN-16 4x4 (ML) *
1
2
3
4
7
8
9
10
A1
VDD
MCP46X2 Dual Rheostat
MSOP
5
6
P0B
P0W
P1W
P1B
VSS
HVC/A0
SDA
SCL
MCP45X2
Single Rheostat
DFN 3x3 (MF) *
SDA
SCL
VSS
A1
P0B
1
2
3
4
8
7
6
5 P0W
VDD
HVC / A0
* Includes Exposed Thermal Pad (EP); see Table 3-1.
EP
9
DFN 3x3 (MF) *
SDA
SCL
VSS
A1
P0B
1
2
3
4
8
7
6
5 P0W
VDD
HVC / A0
EP
9
2
VSS
SCL
NC
P1B
P0B
P1W
P1A
P0A
P0W
HVC/A0
V
DD
A1
A2
SDA
EP
16
1
15 14 13
3
4
12
11
10
9
567 8
17
SDA
SCL
VSS
A1
P0B
1
2
3
4
10
9
8
7 P0W
VDD
HVC / A0
EP
11
P1B 5
6 P1W
7/8-Bit Single/Dual I2C Digital POT with
Volatile Memory
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