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DS2003TM/NOPB Equivalent & Substitute Parts
Part Overview
The DS2003TM/NOPB is a 6/0 Driver IC manufactured by Texas Instruments in a 16-SOIC surface mount package. This interface driver operates at 5V supply voltage with an operating temperature range of -40°C to 125°C. The part is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute parts must maintain functional compatibility through matching driver configuration, output characteristics, and package specifications.
Substiute Parts
Key Parameters
| Parameter | DS2003TM/NOPB |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Interface / Driver |
| Part Status | Obsolete |
| Number of Drivers/Receivers | 6/0 |
| Voltage - Supply | 5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the DS2003TM/NOPB are selected based on the following critical parameters:
Primary Substitution Criteria:
- Package Compatibility: 16-SOIC surface mount package (0.154", 3.90mm Width)
- Output Configuration: Low Side driver topology
- Output Type: Darlington transistor configuration
- Number of Outputs: 7 outputs (functional equivalent to 6/0 driver configuration)
- Voltage Rating: 50V maximum load voltage capability
- Current Capability: 500mA output current
- Interface Type: Parallel input interface
- Input Type: Inverting logic
- RoHS Compliance: ROHS3 Compliant
- Moisture Sensitivity: MSL 1 (Unlimited)
The substitute parts listed are from the ULN2003 and ULQ2003 series families, which provide equivalent driver functionality with compatible electrical and mechanical specifications. Operating temperature ranges vary among substitutes and must be evaluated against application requirements.
Parameter Comparison
| Parameter | DS2003TM/NOPB | ULN2003AD | ULN2003ADR | ULN2003AID | ULN2003AIDR | ULN2003AIDRE4 | ULN2003ANSR | ULQ2003ADG4 | ULQ2003AQDRQ1 | ULQ2003ATDQ1 | ULQ2003ATDRG4Q1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Part Status | Obsolete | Last Time Buy | Active | Last Time Buy | Active | Obsolete | Active | Obsolete | Active | Last Time Buy | Last Time Buy |
| Number of Outputs | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Output Type | Driver | Darlington | Darlington | Darlington | Darlington | Darlington | Darlington | Darlington | Darlington | Darlington | Darlington |
| Output Configuration | N/A | Low Side | Low Side | Low Side | Low Side | Low Side | Low Side | Low Side | Low Side | Low Side | Low Side |
| Voltage - Load (Max) | N/A | 50V | 50V | 50V | 50V | 50V | 50V | 50V | 50V | 50V | 50V |
| Current - Output (Max) | N/A | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA | 500mA |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 70°C | -40°C ~ 70°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.209", 5.30mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) |
| Packaging Type | Tube | Tube | Cut Tape & Digi-Reel | Tube | Cut Tape & Digi-Reel | Tape & Reel | Cut Tape & Digi-Reel | Tube | Cut Tape & Digi-Reel | Tube | Tape & Reel |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Automotive Grade | No | No | No | No | No | No | No | No | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) |
Engineering Selection Recommendations
Primary Recommendation - Active Status Parts:
For new designs and ongoing procurement, select from parts with Active product status:
- ULN2003ADR: Active status, standard industrial temperature range (-40°C to 70°C), Cut Tape & Digi-Reel packaging
- ULN2003AIDR: Active status, extended temperature range (-40°C to 105°C), Cut Tape & Digi-Reel packaging
- ULN2003ANSR: Active status, standard industrial temperature range (-40°C to 70°C), 16-SO package (5.30mm width)
- ULQ2003AQDRQ1: Active status, extended temperature range (-40°C to 105°C), automotive qualified (AEC-Q100), Cut Tape & Digi-Reel packaging
Temperature Range Considerations:
The original DS2003TM/NOPB operates to 125°C. No substitute part matches this upper temperature limit. Selection must account for application temperature requirements:
- Applications limited to 70°C: ULN2003ADR or ULN2003ANSR
- Applications requiring 105°C: ULN2003AIDR, ULN2003AIDR, or ULQ2003AQDRQ1
- Applications exceeding 105°C: Consult alternative driver families
Automotive Applications:
For automotive applications requiring AEC-Q100 qualification, use:
- ULQ2003AQDRQ1 (Active, -40°C to 105°C)
- ULQ2003ATDQ1 (Last Time Buy, -40°C to 105°C)
- ULQ2003ATDRG4Q1 (Last Time Buy, -40°C to 105°C)
Package Compatibility:
All recommended substitutes use 16-SOIC (0.154", 3.90mm) package except ULN2003ANSR, which uses 16-SO (0.209", 5.30mm). Verify PCB layout compatibility before selection.
Compliance Status:
All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, matching the original part specifications.
Frequently Asked Questions (FAQ)
Q: Can ULN2003ADR directly replace DS2003TM/NOPB in existing designs?
A: ULN2003ADR provides functional equivalence in package, output configuration, and electrical characteristics. However, the operating temperature range differs: ULN2003ADR operates to 70°C while DS2003TM/NOPB operates to 125°C. Substitution is valid only if application maximum temperature does not exceed 70°C.
Q: What is the difference between ULN2003 and ULQ2003 series?
A: Both series provide identical electrical functionality (7-output Darlington drivers, 50V/500mA ratings). ULQ2003 variants include automotive-grade qualification (AEC-Q100) and extended temperature ratings to 105°C. ULN2003 variants are standard industrial grade. Select ULQ2003 for automotive applications; ULN2003 for general industrial use.
Q: Why do substitute parts have 7 outputs instead of 6?
A: The DS2003TM/NOPB is specified as 6/0 driver. Substitute parts from the ULN2003/ULQ2003 families provide 7 outputs. This represents a functional superset; designs using 6 outputs can utilize 7-output parts without modification. The additional output remains available for future expansion or can be left unused.
Q: Is ULN2003ANSR compatible with my PCB designed for DS2003TM/NOPB?
A: ULN2003ANSR uses a 16-SO package with 5.30mm width, while DS2003TM/NOPB uses 16-SOIC with 3.90mm width. These packages have different physical dimensions and pin spacing. PCB layout compatibility must be verified; the parts are not pin-compatible without PCB redesign.
Q: Which substitute part should I select for high-temperature applications?
A: For applications requiring operation above 70°C, select parts with extended temperature range: ULN2003AID, ULN2003AIDR, ULQ2003ADG4, ULQ2003AQDRQ1, ULQ2003ATDQ1, or ULQ2003ATDRG4Q1 (all rated to 105°C). If application requires operation above 105°C, alternative driver families must be evaluated.
Q: What packaging options are available for high-volume production?
A: For high-volume procurement, select parts with Tape & Reel (TR) or Cut Tape & Digi-Reel packaging. ULN2003AIDRE4 and ULQ2003ATDRG4Q1 offer Tape & Reel packaging. ULN2003ADR, ULN2003AIDR, ULN2003ANSR, and ULQ2003AQDRQ1 offer Cut Tape & Digi-Reel packaging. Tube packaging (ULN2003AD, ULN2003AID, ULQ2003ADG4, ULQ2003ATDQ1) is suitable for lower-volume applications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, matching the original DS2003TM/NOPB specifications.
Q: What is the inventory status for active substitute parts?
A: ULN2003ADR, ULN2003AIDR, ULN2003ANSR, and ULQ2003AQDRQ1 are classified as Active products with substantial inventory availability. Last Time Buy and Obsolete parts have limited inventory and should not be selected for new designs requiring long-term supply continuity.
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