参数资料
型号: MCP4251-103E/P
厂商: Microchip Technology
文件页数: 1/59页
文件大小: 0K
描述: IC DGTL POT 10K 2CH 14DIP
标准包装: 30
接片: 257
电阻(欧姆): 10k
电路数: 2
温度系数: 标准值 150 ppm/°C
存储器类型: 易失
接口: 4 线 SPI(芯片选择)
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 14-DIP(0.300",7.62mm)
供应商设备封装: 14-PDIP
包装: 管件
产品目录页面: 676 (CN2011-ZH PDF)
其它名称: MCP4251-103-E/P
MCP4251-103-E/P-ND
2008 Microchip Technology Inc.
DS22060B-page 1
MCP413X/415X/423X/425X
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
-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 & 1,1)
- High-Speed Read/Writes to wiper registers
- SDI/SDO multiplexing (MCP41X1 only)
Resistor Network Terminal Disconnect Feature
via:
- Shutdown pin (SHDN)
- 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
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)
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface. This
family of devices support 7-bit and 8-bit resistor
networks, and Potentiometer and Rheostat pinouts.
Package Types (top view)
1
2
3
4
5
6
7
8
P0W
P0B
P0A
VSS
VDD
MCP41X1
Single Potentiometer
PDIP, SOIC, MSOP
CS
SDI/SDO
SCK
1
2
3
4
5
6
7
8
P0B
SDO
P0W
VDD
MCP41X2
Single Rheostat
PDIP, SOIC, MSOP
1
2
3
4
11
12
13
14
SHDN
SDO
WP
VDD
MCP42X1 Dual Potentiometers
PDIP, SOIC, TSSOP
5
6
7
8
9
10
P0W
P0B
P0A
P1A
P1W
P1B
VSS
CS
SDI
SCK
VSS
CS
SDI
SCK
4x4 QFN*
1
2
3
4
7
8
9
10
SDO
VDD
MCP42X2 Dual Rheostat
MSOP, DFN
5
6
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
5
6
P1B
P1W
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2
VSS
SCK
WP
NC
P1
B
P0B
P1W
P1
A
P0
A
P0W
CS
V
DD
SDO
SHDN
SDI
EP
16
1
15 14 13
3
4
12
11
10
9
56
7
8
17
7/8-Bit Single/Dual SPI Digital POT with Volatile Memory
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