DS1804Z-010 Digital Potentiometer Equivalent & Substitute Parts

Part Overview

The DS1804Z-010 is a digital potentiometer manufactured by Analog Devices Inc./Maxim Integrated, configured as a 10kΩ single-circuit device with 100 taps and Up/Down (U/D, INC, CS) interface control. This component is classified as obsolete, which necessitates identification of active equivalent and substitute parts for new designs and ongoing production requirements. The part operates across a 2.7V to 5.5V supply range with non-volatile memory and is packaged in 8-SOIC surface mount configuration.

Key Parameters

Parameter	Value
Resistance (Ohms)	10k
Number of Circuits	1
Number of Taps	100
Interface Type	Up/Down (U/D, INC, CS)
Memory Type	Non-Volatile
Voltage Supply Range	2.7V ~ 5.5V
Tolerance	±20%
Temperature Coefficient	750ppm/°C
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the DS1804Z-010 is determined by strict equivalence across the following critical parameters: resistance value (10kΩ), number of taps (100), interface type (Up/Down with U/D, INC, CS signals), memory type (non-volatile), package type (8-SOIC), and mounting configuration (surface mount). All substitute parts must maintain identical electrical interface specifications and physical packaging to ensure direct replacement capability.

The substitute parts are grouped into two primary categories:

Direct Manufacturer Variants (Analog Devices): DS1804Z-010+ represents the active production equivalent with identical electrical specifications but improved RoHS3 compliance status and higher inventory availability.

Cross-Manufacturer Alternatives (Renesas Electronics): The X9317 series from Renesas provides functional equivalence with the XDCP™ architecture. These parts maintain the core specifications of 10kΩ resistance, 100 taps, Up/Down interface, and 8-SOIC packaging. Variants differ in supply voltage range (5V only versus 2.7V ~ 5.5V), packaging format (tube versus tape & reel), and operating temperature range (0°C ~ 70°C versus -40°C ~ 85°C).

Parameter Comparison

Part Number	Manufacturer	Resistance (Ohms)	Taps	Interface	Voltage Supply	Temp Coefficient	Operating Temp	Wiper Resistance (Typ)	Package	RoHS Status	Product Status
DS1804Z-010	Analog Devices	10k	100	U/D, INC, CS	2.7V ~ 5.5V	750ppm/°C	-40°C ~ 85°C	400Ω	8-SOIC	Non-compliant	Obsolete
DS1804Z-010+	Analog Devices	10k	100	U/D, INC, CS	2.7V ~ 5.5V	750ppm/°C	-40°C ~ 85°C	400Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8IZ	Renesas	10k	100	U/D, INC, CS	5V	±300ppm/°C	-40°C ~ 85°C	200Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8IZ-2.7	Renesas	10k	100	U/D, INC, CS	2.7V ~ 5.5V	±300ppm/°C	-40°C ~ 85°C	400Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8IZ-2.7T1	Renesas	10k	100	U/D, INC, CS	2.7V ~ 5.5V	±300ppm/°C	-40°C ~ 85°C	400Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8IZT1	Renesas	10k	100	U/D, INC, CS	5V	±300ppm/°C	-40°C ~ 85°C	200Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8Z	Renesas	10k	100	U/D, INC, CS	5V	±300ppm/°C	0°C ~ 70°C	200Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8Z-2.7	Renesas	10k	100	U/D, INC, CS	2.7V ~ 5.5V	±300ppm/°C	0°C ~ 70°C	400Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8Z-2.7T1	Renesas	10k	100	U/D, INC, CS	2.7V ~ 5.5V	±300ppm/°C	0°C ~ 70°C	400Ω	8-SOIC	ROHS3 Compliant	Active
X9317WS8ZT1	Renesas	10k	100	U/D, INC, CS	5V	±300ppm/°C	0°C ~ 70°C	200Ω	8-SOIC	ROHS3 Compliant	Active

Engineering Selection Recommendations

Primary Recommendation: DS1804Z-010+ is the direct replacement for DS1804Z-010. This part maintains identical electrical specifications, supply voltage range (2.7V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and wiper resistance (400Ω). The primary advantage is active product status and ROHS3 compliance, eliminating obsolescence risk and meeting current regulatory requirements.

Cross-Manufacturer Substitution: Renesas X9317 series parts provide functional equivalence with the following considerations:

Parts designated X9317WS8IZ-2.7 and X9317WS8IZ-2.7T1 offer the closest electrical match to DS1804Z-010, maintaining the 2.7V ~ 5.5V supply range, -40°C ~ 85°C operating temperature, and 400Ω wiper resistance. These variants are suitable for applications requiring extended temperature operation and wide supply voltage tolerance.

Parts designated X9317WS8Z and X9317WS8ZT1 operate at 5V supply only with reduced operating temperature range (0°C ~ 70°C) and lower wiper resistance (200Ω). These are applicable only to designs with fixed 5V supplies and commercial temperature requirements.

All Renesas X9317 variants carry ROHS3 compliance certification and active product status, ensuring long-term availability and regulatory alignment.

Packaging Considerations: Tube packaging (standard variants) is suitable for manual assembly and prototyping. Tape & Reel (T1 suffix) packaging is specified for automated pick-and-place assembly operations.

Frequently Asked Questions (FAQ)

Q: Can DS1804Z-010+ be used as a direct drop-in replacement for DS1804Z-010?

A: Yes. DS1804Z-010+ maintains identical electrical specifications, interface protocol, package type, and pin configuration. No circuit modifications are required.

Q: What are the key differences between Analog Devices and Renesas substitutes?

A: DS1804Z-010+ is electrically identical to the original part. Renesas X9317 series parts differ in temperature coefficient (±300ppm/°C versus 750ppm/°C), wiper resistance (200Ω or 400Ω depending on variant), and operating temperature range. Supply voltage range varies by specific part number suffix.

Q: Which Renesas part should I select if my application requires 2.7V ~ 5.5V supply operation and -40°C ~ 85°C temperature range?

A: Select X9317WS8IZ-2.7 (tube packaging) or X9317WS8IZ-2.7T1 (tape & reel packaging). These variants match the original DS1804Z-010 supply and temperature specifications.

Q: Are all substitute parts RoHS compliant?

A: DS1804Z-010 is RoHS non-compliant. DS1804Z-010+ and all Renesas X9317 variants are ROHS3 compliant, meeting current environmental regulations.

Q: What is the significance of the wiper resistance difference between parts?

A: Wiper resistance (200Ω versus 400Ω) affects circuit loading and output impedance. Verify that your application circuit can accommodate the specified wiper resistance of the selected substitute part.

Q: Does packaging format (tube versus tape & reel) affect electrical performance?

A: No. Packaging format affects only handling and assembly methodology. Electrical specifications remain identical between tube and tape & reel variants of the same part number.

Q: Can I use X9317WS8Z parts in applications requiring -40°C operation?

A: No. X9317WS8Z series parts specify 0°C ~ 70°C operating temperature range and are not rated for -40°C operation. Use X9317WS8IZ or X9317WS8IZ-2.7 variants for extended low-temperature applications.

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