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All versions are Not Recommended for New Designs.

Data Sheet

FULL DATA SHEET (PDF, 144kB) Download   E-Mail

Description

The DS1666 Audio Taper Potentiometer is a solid-state, 128-position digital potentiometer with a pseudo-logarithmic resistor array designed to behave with analog characteristics, specifically suited to audio applications. Wiper position is controlled via a simple increment/decrement control interface. On power-up, the wiper for the DS1666 is set to 10% of active digital taps/3% of total end-to-end resistance of the potentiometer. Taps on the lower portion of the potentiometer increment 0.25% of the total resistance within ±0.5% of the expected value. Taps on the higher portion increment 1.5% of the total resistance within ±2.0% of the expected value. The DS1666 can operate using a bipolar ±5-volt supply or single +5-volt supply. As an electronically controlled IC, the DS1666 gives designers and users the digital advantages of more control, flexibility and accuracy, while mimicking audio taper capability. Standard IC packaging is also consistent with automated assembly processes.

Key Features		Applications/Uses
Digitally controlled, 128-position potentiometer Pseudo-logarithmic resistor characteristic Single or dual power supply operation (+5-volt or ±5-volt) Increment/decrement control interface Wiper position defaults to 3% of total potentiometer resistance on power up 10kΩ, 50kΩ, and 100kΩ versions Wide analog voltage range of ±5 volts Operates from 5V power supply with TTL input Operating temperature range: -40°C to +85°C		Applications Audio Volume Control Mobile Phones and PDAs Portable Electronics Replacement for 7 bit Logarithmic DAC functions Replacement for Mechanical Potentiometers

Application Notes

Application Note 593: Dallas Semiconductor Digital Potentiometers: Frequently Asked Questions - DS1666

Design Guides

Digital Potentiometers (PDF)

Reliability Reports

Reliability Report: DS1666.pdf

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-20 of 20

DS1666	Notes	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1666-10				NRND	PDIP(N);14 pin;158 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P14-4*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666-50				NRND	PDIP(N);14 pin;158 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P14-4*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666-100	100kohms			NRND	PDIP(N);14 pin;158 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P14-4*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666-10+				NRND	PDIP(N);14 pin;158 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P14+4*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666-100+	100kohms			NRND	PDIP(N);14 pin;158 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P14+4*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666-50+				NRND	PDIP(N);14 pin;158 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P14+4*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666S-10/T&R/			N/A	NRND	Land Pattern: Not Available	-40°C to +85°C	See data sheet
DS1666S-10N/T&R/			N/A	NRND	Land Pattern: Not Available	-40°C to +85°C	See data sheet
DS1666S-10				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666S-50				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666S-100	100kohms			NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666S-10/T&R				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666S-50/T&R				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666S-100/T&R	100kohms			NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS1666S-10+				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666S-10+T&R				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666S-100+	100kohms			NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666S-100+T&R	100kohms			NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666S-50+				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS1666S-50+T&R				NRND	SOIC(W);16 pin;111 mm² Outline Drawing: 21-0042 (PDF) Land Pattern: 90-0107 (PDF) Use pkgcode/variation: W16+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

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