Microchip MCP45HV31-503E/ST 电位器-产品快照
- 品牌:
- Microchip
- 型号:
- MCP45HV31-503E/ST
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| 供应商名称 | 电话 | 备注 |
|---|---|---|
| 欧时电子元件（上海）有限公司 | ||
| 上海贸泽电子有限公司 |
产品介绍
Microchip MCP45HV31-503E/ST 电位器
MCP45HV31-503E/ST, Digital Potentiometer 50kΩ 128-Position Linear Serial-I2C 14-Pin TSSOP
Microchip
MCP45HVx1 Digital Potentiometers The MCP45HVx1 family of devices from Microchip are Digital Potentiometers with an SPI Interface and on board Volatile Memory. The device family has dual power rails, one analogue one digital. The Analogue power rail can handle up to +36 V and can be implemented as a dual rail (±18 V) relative to the digital logic ground.The MCP45HVx1 has a Write Latch (WLAT) function that inhibits the volatile wiper register from being updated (latched) with received data until the WLAT pin is low. This allows the specification of a condition where the volatile wiper register is updated (such as zero crossing). FeaturesHigh-Voltage Analogue Support: +36 V terminal voltage range (DGND = V-), ±18 V terminal voltage range (DGND = V- +18 V)Wide Operating Voltage: Analogue 10 V to 36 V, Digital 2.7 V to 5.5 V or 1.8 V to 5.5 V (DGND ≤ V- +0.9 V)Single Resistor NetworkResistor Network Resolution: 7-bit: 127 resistors (128 Taps) or 8-bit: 255 resistors (256 Taps) – model dependantHigh Terminal/Wiper Current (IW) Support: 25 mA for 5 kΩ, 12.5 mA for 10 kΩ and 6.5 mA for 50 kΩ and 100 kΩZero-Scale to Full-Scale Wiper OperationLow Wiper Resistance: 75 Ω (typical)Low Temperature Coefficient: Absolute (Rheostat) 50 ppm, Ratiometric (Potentiometer) 15 ppm (typical)SPI Serial InterfaceResistor Network Terminal Disconnect via Shutdown pin (SHDN) or Terminal Control (TCON) registerWrite Latch (WLAT) Pin to Control Update of Volatile Wiper Register (such as Zero Crossing)Power-on Reset/Brown-out Reset for Digital and Analogue SupplySerial Interface Inactive Current (3 μA Typical)500 kHz Typical Bandwidth (-3 dB) Operation (5.0 kΩ Device) Digital Potentiometer - Microchip ; Control Interface Serial-I2C; Resistance Value 50kΩ; Number of Positions 128; Taper Type Linear; Memory Type Volatile; Number of Pots per Package 1; Mounting Type Surface Mount; Package Type TSSOP; Pin Count 14; Power Supply Type Single; Typical Single Supply Voltage 1.8 → 5.5 (Digital) V, 10 → 36 (Analogue) V; Dimensions 5.1 x 4.5 x 1.05mm; Height 1.05mm; Width 4.5mm; Maximum Operating Temperature +125 °C; Minimum Operating Temperature -40 °C; Length 5.1mm;
Digital Potentiometers
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