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MCP4261-502E/SL
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MCP4261-502E/SL数据手册
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© 2007 Microchip Technology Inc. DS22059A-page 1
MCP414X/416X/424X/426X
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)
•R
AB
Resistances options of:
-5kΩ
-10kΩ
-50kΩ
- 100 kΩ
Zero-Scale to Full-Scale Wiper operation
Low Wiper Resistance: 75Ω (typ.)
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
- SDI/SDO multiplexing (MCP41X1 only)
Resistor Network Terminal Disconnect Feature
via:
- Shutdown pin (SHDN
)
- Terminal Control (TCON) Register
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 typ.)
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 (-3dB) Operation:
- 2 MHz (typ.) for 5.0 kΩ 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, Non-Volatile memory configurations, and
Potentiometer and Rheostat pinouts.
WiperLock Technology allows application-specific
calibration settings to be secured in the EEPROM.
Package Types
1
2
3
4
5
6
7
8
P0W
P0B
P0A
V
SS
V
DD
MCP41X1
Single Potentiometer
PDIP, SOIC, MSOP,
CS
SDI/SDO
SCK
1
2
3
4
5
6
7
8
P0B
SDO
P0W
V
DD
MCP41X2
Single Rheostat
PDIP, SOIC, MSOP,
1
2
3
4
11
12
13
14
SHDN
SDO
WP
V
DD
MCP42X1 Dual Potentiometers
PDIP, SOIC, TSSOP
5
6
7
8
9
10
P0W
P0B
P0A
P1A
P1W
P1B
V
SS
CS
SDI
SCK
V
SS
CS
SDI
SCK
1
2
3
4
11
12
13
14
SDO
SHDN
4x4 QFN
5
6
78
9
10
P0B
NC
P0W
P0A
P1A
P1W
V
SS
SCK
V
SS
SDI
15
16
P1B
V
DD
CS
WP
1
2
3
4
7
8
9
10
SDO
V
DD
MCP42X2 Dual Rheostat
MSOP, DFN
5
6
P0B
P0W
P1W
P1B
V
SS
CS
SDI
SCK
3x3 DFN
3x3 DFN
7/8-Bit Single/Dual SPI Digital POT with
Non-Volatile Memory

MCP4261-502E/SL 数据手册

Microchip(微芯)
88 页 / 2.2 MByte
Microchip(微芯)
84 页 / 1.94 MByte
Microchip(微芯)
2 页 / 0.1 MByte

MCP4261502 数据手册

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7/8位单/双SPI数字电位器具有非易失性存储器 7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory
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MICROCHIP  MCP4261-502E/P  非易失性数字电位器, AEC-Q100, 5 kohm, 双, SPI, 线性, ± 20%, 2.7 V
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MCP414x/416x/424x/426x 数字电位计Microchip MCP413x、MCP415x、MCP423x 和 MCP425x 系列设备是具有 SPI 接口和 EEPROM 存储器的数字电位计。 包含 WiperLock 技术,可提供“锁定”电刷配置的方法。 要解锁,需要高电压命令 (>8.5 V),从而在正常工作过程中保护设置。 提供 7 位(129 步)和 8 位(257 步)型号,具有各种 RAB 电阻选项,从 5 kΩ 到 100 kΩ。 其他型号还提供可变电阻和电位计引脚输出可供选择,还提供单和双电阻器网络选项。### 特点零刻度到满刻度电刷操作 低电刷电阻:75 Ω(典型) 低温度系数:绝对值(可变电阻)50 ppm,正比(电位计)15 ppm(典型) 自动调用保存的电刷设置 WiperLock 技术 SPI 串行接口 电阻器网络端子断开连接功能 掉电重置保护:1.5 V(典型) 串行接口非活动电流:2.5 μA(典型) 高电压容差数字输入:高达 12.5V 支持分离式导轨应用 所有数字输入内部弱上拉模式 宽工作电压:1.8 V 至 5.5 V 宽带宽 (-3 dB) 操作:2 MHz,用于 5.0 kΩ 设备(典型) ### 型号电位计电刷设置:MCP4141,MCP4161,MCP4241,MCP4261 可变电阻电刷设置:MCP4142,MCP4162,MCP4242,MCP4262 单电阻器网络:MCP4141,MCP4142,MCP4161,MCP4162 双电阻器网络:MCP4241,MCP4242,MCP4261,MCP4262 7 位,128 电阻器(129 步):MCP4141,MCP4142,MCP4241,MCP4142 8 位,256 电阻器(257 步):MCP4161,MCP4162,MCP4261,MCP4162 ### 数字电位计 - Microchip
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7/8位单/双SPI数字电位器具有非易失性存储器 7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory
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