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ISL23315TFUZ-T7A

Digital Potentiometer 100k Ohm 1 Circuit 256 Taps I²C Interface 10-MSOP

Manufacturer:

Renesas Technology Corp
Mfr.Part #:

ISL23315TFUZ-T7A
Datasheet:

ISL23315TFUZ-T7A Datasheet (PDF)
Series:

XDCP™
Programmable:

Not Verified
Taper:

Linear
Configuration:

Potentiometer
EDA/CAD Models:

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ISL23315TFUZ-T7A General Description

The ISL23315 is a volatile, low voltage, low noise, low power, I²C Bus™, 256 Taps, single digitally controlled potentiometer (DCP), which integrates DCP core, wiper switches and control logic on a monolithic CMOS integrated circuit. The digitally controlled potentiometer is 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. The potentiometer has an associated volatile 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. When powered on, the ISL23315's wiper will always commence at mid-scale (128 tap position). The low voltage, low power consumption, and small package of the ISL23315 make it an ideal choice for use in battery operated equipment. In addition, the ISL23315 has a V_LOGIC pin allowing down to 1. 2V bus operation, independent from the V_CC value. This allows for low logic levels to be connected directly to the ISL23315 without passing through a voltage level shifter. The DCP can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications including control, parameter adjustments, and signal processing.

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Key Features

256 resistor taps
I²C serial interface
No additional level translator for low bus supply
Two address pins allow up to four devices per bus
Power supply
V_CC = 1.7V to 5.5V analog power supply
V_LOGIC = 1.2V to 5.5V I²C bus/logic power supply
Wiper resistance: 70Ω typical @ V_CC = 3.3V
Shutdown Mode - forces the DCP into an end-to-end open circuit and RW is shorted to RL internally
Power-on preset to mid-scale (128 tap position)
Shutdown and standby current <2.8µA max
DCP terminal voltage from 0V to V_CC
10kΩ, 50kΩ or 100kΩ total resistance
Extended industrial temperature range: -40°C to +125°C
10 Ld MSOP or 10 Ld µTQFN packages
Pb-free (RoHS compliant)

Specifications

Category	Integrated Circuits (ICs)Data AcquisitionDigital Potentiometers	Series	XDCP™
Programmable	Not Verified	Taper	Linear
Configuration	Potentiometer	Number of Circuits	1
Number of Taps	256	Resistance (Ohms)	100k
Interface	I²C	Memory Type	Volatile
Voltage - Supply	1.2V ~ 5.5V, 1.7V ~ 5.5V	Features	Selectable Address
Tolerance	±20%	Temperature Coefficient (Typ)	70ppm/°C
Mounting Type	Surface Mount	Operating Temperature	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)	70	Base Product Number	ISL23315