ISL90841 Quad Digitally Controlled Potentiometers (XDCP™)

ISL90841

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Quad Digitally Controlled Potentiometers (XDCP™)

Datasheets,
Related Docs
& Simulations

Ordering Information

iBuy direct from Intersil	iBuy direct - out of stock	Request samples
Check distributor inventory	Available in RoHS/Pb-Free

Part No.

Design-In
Status

Temp.

Package

MSL

Price
US $

ISL90841UIV1427Z

Active

Ind

14 Ld TSSOP

1.87

ISL90841UIV1427Z-TK

Active

Ind

14 Ld TSSOP T+R

1.87

ISL90841WIV1427Z

Active

Ind

14 Ld TSSOP

1.87

ISL90841WIV1427Z-TK

Active

Ind

14 Ld TSSOP T+R

1.87

The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice.

MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020

SMD = Standard Microcircuit Drawing

Description

The ISL90841 integrates four digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit.

The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I²C bus interface. Each potentiometer has an associated Wiper Register (WR) that can be directly written to and read by the user. The contents of the WR controls the position of the wiper.

All four potentiometers have one terminal tied to GND. The DCPs can be used as a resistor divider or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing.

Key Features

Four potentiometers in one package
256 resistor taps - 0.4% resolution
I²C serial interface
Wiper resistance: 70Ω typical @ 3.3V
Standby current <5µA max
Power supply: 2.7V to 5.5V
50kΩ, 10kΩ total resistance
14 Lead TSSOP
Pb-free plus anneal available (RoHS compliant)

Related Documentation

Application Note(s):
DC/DC Module Trim with Digital Potentiometers Get Precision Performance from a Digitally Controlled Potentiometer (DCP) Get Precision Performance from a Digitally Controlled Potentiometer (DCP) (Chinese)

Datasheet(s):
Quad Digitally Controlled Potentiometers (XDCP™); Low Noise, Low Power I²C® Bus, 256 Taps

Technical Brief(s):
Converting a Fixed PWM to an Adjustable PWM

Technical Homepage:
Digitally Controlled Potentiometers (DCPs) and Capacitors (DCCs) Precision Analog Homepage

Parametric Data


# of Devices/ Channels		4

# of Taps		256

Memory Type		Volatile

Bus Interface Type		I²C

Resistance Options (kΩ)		10, 50

V_CC Range (V)		2.7 to 5.5

V_CC (min) (V)		2.7

V_CC (max) (V)		5.5

DCP Dual Supply Range (V)		N/A

DCP Single Supply Range (V)		0 to 5.5

Resistance Taper		Linear

Wiper Current (mA)		3

Wiper Resistance (Ω)		70

Supply Current (μA)		5

Max Operating Temp (°C)		85

End-to-End Tempco (ppm/°C)		45

Middlepoint Ratiometric Tempco (ppm/°C)		4

V_L min. terminal voltage (V)		0

V_H max. terminal voltage (V)		5.5

Features		2-terminal - voltage divider or rheostat usage

Application Block Diagrams

Related Devices

Parametric Table

	ISL90840		Quad Digitally Controlled Potentiometers (XDCP™)
	ISL90842		Quad Digitally Controlled Potentiometers (XDCP™)
	ISL90843		Quad Digital Controlled Potentiometers (XDCP™); Low Noise, Low Power, I²C® Bus, 256 Taps