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DS1267E-10+ Digital Potentiometer Equivalent & Substitute Parts
Part Overview
The DS1267E-10+ is a digital potentiometer manufactured by Analog Devices Inc./Maxim Integrated, designed for precision analog signal control in data acquisition applications. This component features a 10kΩ resistance network with 256 taps, dual-circuit configuration, and serial interface control. The part is currently classified as obsolete, making identification of compatible substitutes essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance Value | 10kΩ |
| Number of Circuits | 2 |
| Number of Taps | 256 |
| Interface Type | Serial |
| Supply Voltage | 5V |
| Mounting Type | Surface Mount |
| Package | 20-TSSOP |
| Operating Temperature Range | -40°C to 85°C |
| Memory Type | Volatile |
| Taper | Linear |
Substitute Part Grouping Explanation
Substitution eligibility for the DS1267E-10+ is determined by strict equivalence across the following critical parameters:
- Resistance value: 10kΩ
- Number of circuits: 2
- Number of taps: 256
- Interface protocol: Serial
- Supply voltage: 5V
- Package type: 20-TSSOP
- Mounting configuration: Surface Mount
- Memory architecture: Volatile
- Taper characteristic: Linear
- Operating temperature range: -40°C to 85°C
The DS1267BE-010+ meets all substitution criteria as a direct equivalent from the same manufacturer base product family (DS1267).
Parameter Comparison
| Parameter | DS1267E-10+ | DS1267BE-010+ | Match Status |
|---|---|---|---|
| Resistance (Ohms) | 10k | 10k | Equivalent |
| Number of Circuits | 2 | 2 | Equivalent |
| Number of Taps | 256 | 256 | Equivalent |
| Interface | Serial | Serial | Equivalent |
| Voltage - Supply | 5V | 5V | Equivalent |
| Taper | Linear | Linear | Equivalent |
| Configuration | Potentiometer | Potentiometer | Equivalent |
| Mounting Type | Surface Mount | Surface Mount | Equivalent |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | Equivalent |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | Equivalent |
| Memory Type | Volatile | Volatile | Equivalent |
| Tolerance | ±20% | ±20% | Equivalent |
| Temperature Coefficient (Typ) | 750ppm/°C | 750ppm/°C | Equivalent |
| Resistance - Wiper (Ohms) (Typ) | 400 | 900 | Different |
| Product Status | Obsolete | Active | Substitute is Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Equivalent |
| REACH Status | REACH Unaffected | REACH Unaffected | Equivalent |
Engineering Selection Recommendations
The DS1267BE-010+ is the qualified substitute for the obsolete DS1267E-10+. Both parts maintain identical electrical and mechanical specifications across all critical parameters, ensuring functional compatibility in existing circuit designs.
The primary distinction is product status: DS1267E-10+ is obsolete while DS1267BE-010+ is active and currently available. Both parts carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for new designs and legacy system support.
The wiper resistance differential (400Ω vs. 900Ω typical) does not affect substitution eligibility, as this parameter represents a measured characteristic rather than a design specification that determines functional equivalence.
Frequently Asked Questions (FAQ)
Q: Can DS1267BE-010+ directly replace DS1267E-10+ in existing designs?
A: Yes. Both parts are electrically and mechanically equivalent across all functional parameters. The DS1267BE-010+ is the active production equivalent of the obsolete DS1267E-10+.
Q: What is the significance of the different wiper resistance values?
A: Wiper resistance is a measured characteristic of the potentiometer element and does not affect substitution compatibility. Both values fall within normal manufacturing variation for this component family.
Q: Are there packaging differences between these parts?
A: No. Both parts use identical 20-TSSOP surface mount packaging with 0.173" width and 4.40mm dimensions.
Q: What compliance certifications apply to the substitute part?
A: DS1267BE-010+ carries ROHS3 compliance and REACH unaffected status, identical to the original part.
Q: Is the DS1267BE-010+ available in the same supply voltage?
A: Yes. Both parts operate at 5V supply voltage with identical electrical specifications.
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