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MCP40D19-104AE/LT PDF预览

MCP40D19-104AE/LT

更新时间： 2024-11-14 11:05:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 存储
页数 文件大小 规格书
66页 2491K
描述
7-Bit Single I2C? (with Command Code) Digital POT with Volatile Memory in SC70

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MCP40D19-104AE/LT 数据手册

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MCP40D17/18/19  
7-Bit Single I2C™ (with Command Code) Digital POT  
with Volatile Memory in SC70  
Package Types  
Features  
Potentiometer  
MCP40D18  
SC70-6  
Rheostat  
• Potentiometer or Rheostat configuration options  
MCP40D17  
SC70-6  
• 7-bit: Resistor Network Resolution  
-
127 Resistors (128 Steps)  
W
V
1
2
3
6
DD  
A
V
• Zero Scale to Full Scale Wiper operation  
• RAB Resistances: 5 kΩ, 10 kΩ, 50 kΩ, or 100 kΩ  
• Low Wiper Resistance: 100Ω (typical)  
• Low Tempco:  
A
1
2
3
6
5
4
DD  
W
A
V
B
5
SS  
V
W
SS  
B
W
B
SCL  
SDA  
4
SCL  
SDA  
MCP40D19  
SC70-5  
- Absolute (Rheostat): 50 ppm typical  
(0°C to 70°C)  
W
V
1
5
DD  
W
- Ratiometric (Potentiometer): 15 ppm typical  
• I2C Protocol  
V
2
SS  
B
A
SCL  
SDA  
4
3
- Supports SMBus 2.0 Write Byte/Word  
Protocol Formats  
- Supports SMBus 2.0 Read Byte/Word  
Protocol Formats  
Applications  
• PC Servers (I2C Protocol with Command Code)  
• Amplifier Gain Control and Offset Adjustment  
• Standard I2C Device Addresses:  
- All devices offered with address “0101110”  
- MCP40D18 also offered with address  
“0111110”  
• Sensor Calibration (Pressure, Temperature,  
Position, Optical and Chemical)  
• Set point or offset trimming  
• Brown-out reset protection (1.5V typical)  
• Power-on Default Wiper Setting (Mid-scale)  
• Low-Power Operation:  
• Cost-sensitive mechanical trim pot replacement  
• RF Amplifier Biasing  
• LCD Brightnes and Contract Adjustment  
- 2.5 µA Static Current (typical)  
• Wide Operating Voltage Range:  
- 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)  
• Very small package (SC70)  
• Lead free (Pb-free) package  
Device Features  
Resistance (typical)  
VDD  
Wiper  
Configuration  
Wiper Operating  
(Ω)  
Device  
Options (kΩ)  
Range ( 1)  
Package  
MCP40D17  
MCP40D18  
MCP40D19  
I2C 128  
I2C 128 Potentiometer RAM  
I2C 128  
Rheostat RAM  
Rheostat  
RAM  
5.0, 10.0, 50.0, 100.0  
5.0, 10.0, 50.0, 100.0  
5.0, 10.0, 50.0, 100.0  
75  
75  
75  
1.8V to 5.5V SC70-6  
1.8V to 5.5V SC70-6  
1.8V to 5.5V SC70-5  
Note 1: Analog characteristics only tested from 2.7V to 5.5V  
© 2009 Microchip Technology Inc.  
DS22152B-page 1  
1234567...66

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