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Analog Devices Inc./Maxim Integrated DS1804Z-010+
- Part No.:
- DS1804Z-010+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DS1804Z-010+.pdf
- Description:
- IC DGTL POT 10KOHM 100TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,507
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Product details
Overview
DS1804Z-010+ from Maxim Integrated is a nonvolatile digital trimmer potentiometer with 100-position resolution, 10kΩ end-to-end resistance, SO-8 (150 mils) package, and 3V/5V single-supply operation. It implements an increment/decrement wiper control interface via CS, INC, and U/D pins and stores wiper position in EEPROM for power-cycle retention-used in precision analog trimming for sensor calibration and power supply feedback networks.
For engineers reviewing the DS1804Z-010+ datasheet, DS1804Z-010+ pinout, DS1804Z-010+ application, or DS1804Z-010+ equivalent, key selection criteria include nonvolatile wiper storage time (10ms), ±0.6 LSB absolute linearity, 750 ppm/°C temperature coefficient, 400–1000 Ω wiper resistance, and industrial temperature range (–40°C to +85°C).
Technical Context
The DS1804Z-010+ integrates a 7-bit up/down counter driving a 1-of-100 decoder to select wiper position across a monolithic 10kΩ resistor array. Its three-terminal control port (CS, INC, U/D) enables manual or microcontroller-driven adjustment without serial protocol overhead.
Wiper position loads from EEPROM within 500 µs at power-up and becomes active after 50 ms; nonvolatile storage occurs on CS↑ with INC high, requiring ≤10 ms. The device supports 50,000 EEPROM write cycles over 0°C to 70°C and operates with VCC from 2.7V to 5.5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-End Resistance | 10kΩ ±20% - defines full-scale analog voltage division range and load interaction in feedback or bias networks. |
| Wiper Position Resolution | 100 positions - provides 1% step granularity for fine-tuning analog setpoints without external DAC or MCU ADC involvement. |
| Nonvolatile Storage Time | 10ms max - determines minimum interval between successive wiper saves; impacts system-level calibration sequencing timing. |
| Absolute Linearity | ±0.6 LSB - ensures maximum deviation of ≤0.6% of full-scale output voltage across entire wiper travel, critical for precision references. |
| Temperature Coefficient | 750 ppm/°C - quantifies resistance drift per degree; enables thermal error budgeting in industrial ambient environments. |
| Supply Voltage Range | 2.7V to 5.5V - supports direct integration into both 3.3V and 5V logic domains without level-shifting circuitry. |
| Wiper Resistance | 400–1000 Ω - affects signal source impedance seen at W pin; constrains maximum allowable load current to ≤1mA. |
Pinout & Package
DS1804Z-010+ uses an 8-pin SOIC package (150 mils width) with gull-wing leads, RoHS-compliant, JEDEC MS-012AC outline.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| H | High-terminal of potentiometer | Fixed end of 10kΩ resistor array; must remain within VCC–GND bounds; not required to be at highest potential in circuit. |
| L | Low-terminal of potentiometer | Fixed end of 10kΩ resistor array; must remain within VCC–GND bounds; not required to be at lowest potential in circuit. |
| W | Wiper terminal | Variable tap point selected by 7-bit counter; output impedance 400–1000 Ω; voltage range limited to GND–VCC. |
| VCC | Power supply input | Accepts 2.7V–5.5V; powers internal logic and EEPROM; decoupling capacitor recommended near pin. |
| CS | Chip select (active low) | Enables three-terminal interface; when high, INC and U/D transitions are ignored; used to gate wiper updates and EEPROM writes. |
| U/D | Up/down direction control | High = wiper moves toward H on each INC↓; low = wiper moves toward L on each INC↓; sets monotonic sweep direction. |
| INC | Increment/decrement clock | Each high-to-low transition shifts wiper one position when CS is low; edge-triggered; min pulse width 50ns. |
| GND | Ground reference | Analog and digital ground return; must be low-impedance path to minimize noise coupling into resistor array. |
Key Features
| Feature | Design Value |
|---|---|
| On-demand EEPROM wiper storage | Wiper position saved with CS↑ + INC high; eliminates need for external nonvolatile memory or backup power in calibration systems. |
| Three-terminal control interface | No serial protocol required-only CS, INC, U/D signals needed; reduces MCU GPIO count and firmware complexity vs. I²C/SPI pots. |
| Industrial temperature range | –40°C to +85°C operation confirmed; enables use in automotive body electronics, industrial PLC modules, and outdoor sensor nodes. |
| One-time programmability mode | CS tied to VCC disables interface permanently; allows factory-set trim values without risk of field overwrite or accidental change. |
| Low standby current | 10 µA at 3V / 20 µA at 5V with all inputs at rail; extends battery life in portable instrumentation and IoT endpoint devices. |
Applications
| DC Power Supply Feedback Trimming | Sensor Offset Calibration |
|---|---|
|
Use Scenario: Adjusting reference voltage in adjustable DC-DC converter feedback loop to meet tight output tolerance across production variance and temperature. IC Role / Device Role / Timing Role: Nonvolatile analog trim element replacing mechanical potentiometer; retains last-set value across power cycles. Use Value: Eliminates manual post-assembly calibration; enables automated test fixture programming and field recalibration via simple push-button interface. |
Use Scenario: Compensating zero-point offset in analog-output pressure or temperature sensors before ADC digitization. IC Role / Device Role / Timing Role: Precision 10kΩ variable resistor in op-amp summing junction or bridge completion network. Use Value: Achieves ±0.6 LSB linearity and 750 ppm/°C drift control-meeting MIL-STD-883 Class B requirements for industrial transducers. |
| Audio Signal Level Control | Factory-Programmed Reference Setting |
|
Use Scenario: Manual volume or gain adjustment in battery-powered audio amplifiers where mechanical pot wear and PCB space are concerns. IC Role / Device Role / Timing Role: Analog attenuator with 100-step resolution; wiper updated via tactile switch debounced into INC/U/D signals. Use Value: Supports 3V operation and draws only 10 µA in standby-enabling multi-year operation on coin-cell batteries. |
Use Scenario: Setting fixed reference voltage for ADC or comparator thresholds during manufacturing, then locking to prevent field tampering. IC Role / Device Role / Timing Role: One-time programmable (OTP) trim component; CS tied to VCC after final calibration. Use Value: Guarantees consistent performance across product lifetime without EEPROM wear-out concerns or software update dependencies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nonvolatile digital potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5170BRMZ-10 | 256-position I²C interface; 10kΩ; 3V–5.5V; 100k write cycles; no OTP mode. | Requires I²C bus and firmware driver; better resolution but higher system complexity. | Choose when microcontroller already uses I²C and higher resolution justifies added software overhead. |
| MCP45HV51-103E/MS | 256-position SPI interface; 10kΩ; 4.5V–20V supply; 100k write cycles; volatile default on power-up. | Supports higher voltage rails but lacks EEPROM retention; needs external nonvolatile storage or initialization code. | Choose for high-voltage analog front-ends where DS1804Z-010+'s 5.5V limit is insufficient. |
Compared with AD5170BRMZ-10 and MCP45HV51-103E/MS, the DS1804Z-010+ delivers simpler hardware integration via its three-wire interface, guaranteed power-cycle retention without firmware, and OTP capability-making it optimal for cost-sensitive, low-complexity trimming where 100-step resolution suffices.
Availability
DS1804Z-010+ is available at Aetrix Electronics and suitable for DC power supply trimming, sensor calibration, audio level control, and factory-programmed reference setting requiring stable component supply and long-term parametric consistency.
Supply support for DS1804Z-010+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for industrial, medical, and communications applications.
The DS1804Z-010+ belongs to Maxim's nonvolatile digital potentiometer family, engineered for mechanical potentiometer replacement in trimming, calibration, and analog adjustment tasks where EEPROM retention and minimal interface overhead are essential.
FAQ
What is the wiper storage mechanism in the DS1804Z-010+?
The DS1804Z-010+ stores wiper position in on-chip EEPROM when the CS pin transitions from low to high while the INC pin is held high. This nonvolatile write operation completes within 10ms and preserves the setting across power cycles. The DS1804Z-010+ supports up to 50,000 such writes over 0°C to 70°C before wear-out, after which wiper movement remains functional but power-up position becomes indeterminate.
Can the DS1804Z-010+ operate from a 3.3V supply?
Yes, the DS1804Z-010+ operates from 2.7V to 5.5V, making it fully compatible with standard 3.3V logic systems. At 3V, its standby current is 10 µA and supply current during wiper adjustment is 400 µA. Input logic thresholds (VIH ≥ 2.0V, VIL ≤ 0.8V) ensure reliable interfacing with 3.3V CMOS outputs without level shifters.
How does the DS1804Z-010+ differ from volatile digital potentiometers?
Unlike volatile digital pots that lose wiper position on power loss, the DS1804Z-010+ retains its last-stored setting in EEPROM and reloads it within 500 µs after VCC stabilizes. This eliminates boot-time calibration routines and external nonvolatile memory, making the DS1804Z-010+ ideal for applications like power supply feedback where consistent startup behavior is mandatory.
What is the maximum signal voltage allowed on the H, L, and W pins of the DS1804Z-010+?
The DS1804Z-010+ specifies that voltages on H, L, and W pins must remain within VGND – 0.2V to VCC + 0.2V. Exceeding these limits risks latch-up or damage. For a 3.3V supply, this means signals must stay within –0.2V to +3.5V; for 5V, within –0.2V to +5.2V. These terminals are not rail-to-rail-applying VCC or GND directly is permitted, but overvoltage must be avoided.
Is the DS1804Z-010+ pin-compatible with other DS1804 variants?
Yes, the DS1804Z-010+ shares identical pinout and electrical behavior with DS1804-010+ (DIP) and DS1804U-010+ (µSOP), differing only in package type (SOIC vs. DIP vs. µSOP). All variants use the same 8-pin configuration, pin functions, timing, and EEPROM architecture-allowing drop-in replacement across form factors when board layout accommodates SOIC footprint.
DS1804Z-010+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 100
- Resistance (Ohms):
- 10k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 2.7V ~ 5.5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- 750ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 400
DS1804Z-010+ FAQ
1.How can I place an order for DS1804Z-010+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1804Z-010+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DS1804Z-010+ reliable?
The price and inventory of DS1804Z-010+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1804Z-010+ is usually 5 days.
3.What payment methods are accepted for DS1804Z-010+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1804Z-010+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1804Z-010+?
DS1804Z-010+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1804Z-010+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DS1804Z-010+?
For technical support, including DS1804Z-010+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1804Z-010+ requirements.
6.How does Aetrix verify that DS1804Z-010+ is sourced from the original manufacturer or authorized distributors?
All DS1804Z-010+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DS1804Z-010+ meets industry standards.
7.What is the process for return or replacement of DS1804Z-010+?
All DS1804Z-010+ units undergo pre-shipment inspection (PSI). If there is an issue with DS1804Z-010+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DS1804Z-010+ part is unused and in its original packaging.
Return procedure for DS1804Z-010+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DS1804Z-010+ Tags
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MCP4018T-103E/LT
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MCP4018T-503E/LT
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MCP4011T-103E/SN
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MCP4018T-104E/LT
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MCP4017T-503E/LT
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MCP4018T-502E/LT
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MCP4017T-103E/LT
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MCP4531T-103E/MF
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MCP4021T-202E/SN
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MCP4023T-103E/CH
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MCP4022T-503E/CH
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MCP4551T-502E/MS
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