Microchip MCP45HV51-104E/ST Digital Potentiometer 256-Position 100 kΩ Linear 1-Channel 14-Pin TSSOP

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Verpakkingsopties
RS-stocknr.:
829-0541
Fabrikantnummer:
MCP45HV51-104E/ST
Fabrikant:
Microchip
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Merk

Microchip

Product Type

Digital Potentiometer

Resistance

100kΩ

Taper Type

Linear

Memory Type

Volatile

Temperature Coefficient

100 ppm/°C

Number of Pots per Package

1

Mount Type

Surface

Interface Type

Serial-I2C

Package Type

TSSOP

Minimum Supply Voltage

1.8V

Pin Count

14

Maximum Supply Voltage

5.5V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

125°C

Standards/Approvals

No

Length

5.1mm

Height

1.05mm

Series

MCP45HV51

Automotive Standard

No

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).

Features


High-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 Network

Resistor Network Resolution: 7-bit: 127 resistors (128 Taps) or 8-bit: 255 resistors (256 Taps) – model dependant

High 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 kΩ

Zero-Scale to Full-Scale Wiper Operation

Low Wiper Resistance: 75 Ω (typical)

Low Temperature Coefficient: Absolute (Rheostat) 50 ppm, Ratiometric (Potentiometer) 15 ppm (typical)

SPI Serial Interface

Resistor Network Terminal Disconnect via Shutdown pin (SHDN) or Terminal Control (TCON) register

Write Latch (WLAT) Pin to Control Update of Volatile Wiper Register (such as Zero Crossing)

Power-on Reset/Brown-out Reset for Digital and Analogue Supply

Serial Interface Inactive Current (3 μA Typical)

500 kHz Typical Bandwidth (-3 dB) Operation (5.0 kΩ Device)

Digital Potentiometer - Microchip


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