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DS2003CM/NOPB Equivalent & Substitute Parts
Part Overview
The DS2003CM/NOPB is a 6/0 Driver IC manufactured by Texas Instruments in 16-SOIC surface mount packaging. This component is classified as obsolete, which necessitates identification of functionally equivalent substitute parts for ongoing design support and production continuity. The part operates at 5V supply voltage with an operating temperature range of -40°C to 85°C.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | DS2003CM/NOPB |
| Manufacturer | Texas Instruments |
| Category | Interface |
| Type | Driver |
| Number of Drivers/Receivers | 6/0 |
| Voltage - Supply | 5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the DS2003CM/NOPB is determined by the following critical parameters:
- Package Type: 16-SOIC surface mount form factor with 0.154" (3.90mm) width
- Output Configuration: Driver topology with low-side output capability
- Output Type: Darlington transistor configuration
- Voltage Rating: 50V maximum load voltage capability
- Current Capacity: 500mA maximum output current
- Temperature Range: Operating temperature compatibility (-40°C minimum to 70°C or 85°C or 105°C maximum)
- Interface Type: Parallel input interface with inverting logic
- Compliance: ROHS3 compliant, MSL Level 1
The substitute parts listed below maintain functional equivalence through matching output configuration, package geometry, electrical ratings, and compliance certifications. All substitutes are 7-output Darlington driver ICs in 16-SOIC packaging manufactured by Texas Instruments within the ULN200x and ULQ200x series families.
Parameter Comparison
| Part Number | Manufacturer | Number of Outputs | Output Type | Voltage - Load (Max) | Current - Output (Max) | Operating Temperature | Package / Case | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| DS2003CM/NOPB | Texas Instruments | 6/0 | Driver | N/A | N/A | -40°C ~ 85°C | 16-SOIC (0.154", 3.90mm) | Obsolete | ROHS3 Compliant |
| ULN2003AD | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 70°C | 16-SOIC (0.154", 3.90mm) | Last Time Buy | ROHS3 Compliant |
| ULN2003ADR | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 70°C | 16-SOIC (0.154", 3.90mm) | Active | ROHS3 Compliant |
| ULN2003ADRG3 | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 70°C | 16-SOIC (0.154", 3.90mm) | Last Time Buy | ROHS3 Compliant |
| ULN2003AID | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 105°C | 16-SOIC (0.154", 3.90mm) | Last Time Buy | ROHS3 Compliant |
| ULN2003AIDR | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 105°C | 16-SOIC (0.154", 3.90mm) | Active | ROHS3 Compliant |
| ULN2003AIDRE4 | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 105°C | 16-SOIC (0.154", 3.90mm) | Obsolete | ROHS3 Compliant |
| ULN2003ANSR | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 70°C | 16-SO (0.209", 5.30mm) | Active | ROHS3 Compliant |
| ULQ2003AD | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 85°C | 16-SOIC (0.154", 3.90mm) | Last Time Buy | ROHS3 Compliant |
| ULQ2003ADG4 | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 85°C | 16-SOIC (0.154", 3.90mm) | Obsolete | ROHS3 Compliant |
| ULQ2003ADR | Texas Instruments | 7 | Darlington | 50V | 500mA | -40°C ~ 85°C | 16-SOIC (0.154", 3.90mm) | Last Time Buy | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Recommendation: ULN2003AIDR is the preferred substitute. This part maintains Active product status, ensuring long-term availability and manufacturing support. It provides an extended operating temperature range of -40°C to 105°C, which exceeds the original DS2003CM/NOPB specification of -40°C to 85°C. The part is supplied in Cut Tape (CT) & Digi-Reel® packaging format and carries ROHS3 compliance with MSL Level 1 rating.
Secondary Recommendation: ULN2003ADR offers Active status with identical electrical specifications and 16-SOIC packaging. Operating temperature range is -40°C to 70°C, which is suitable for applications not requiring the extended upper temperature limit.
Alternative for Extended Temperature: ULN2003AID or ULN2003AIDRE4 provide -40°C to 105°C operating range in Tube or Tape & Reel packaging respectively. Both maintain 50V/500mA output specifications and 16-SOIC form factor.
Package Consideration: ULN2003ANSR is available in Active status but uses 16-SO packaging (0.209", 5.30mm width) instead of the standard 16-SOIC (0.154", 3.90mm width). This part is suitable only if PCB layout accommodates the wider package footprint.
All recommended substitutes maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating, ensuring compatibility with existing supply chain and assembly processes.
Frequently Asked Questions (FAQ)
Q: Can ULN2003AIDR directly replace DS2003CM/NOPB without PCB modifications?
A: Yes. Both parts use identical 16-SOIC (0.154", 3.90mm width) surface mount packaging. Pin-to-pin compatibility is maintained, allowing direct substitution without PCB layout changes.
Q: What is the difference between ULN2003AD and ULN2003ADR?
A: Both parts share identical electrical specifications (7 outputs, 50V/500mA rating, -40°C to 70°C operating range, 16-SOIC package). The primary difference is packaging format: ULN2003AD is supplied in Tube packaging, while ULN2003ADR is supplied in Cut Tape (CT) & Digi-Reel® format. Selection depends on production volume and assembly line requirements.
Q: Why is ULN2003ANSR not recommended as a primary substitute?
A: ULN2003ANSR uses 16-SO packaging with 0.209" (5.30mm) width, compared to the original 16-SOIC with 0.154" (3.90mm) width. The wider package footprint may not fit existing PCB layouts designed for the narrower SOIC variant. This part is suitable only if PCB design accommodates the larger package dimensions.
Q: What is the temperature range difference between ULN2003ADR and ULN2003AIDR?
A: ULN2003ADR operates from -40°C to 70°C, while ULN2003AIDR operates from -40°C to 105°C. For applications requiring operation above 70°C ambient temperature, ULN2003AIDR provides extended thermal capability. Both parts maintain identical electrical output specifications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original DS2003CM/NOPB specifications.
Q: What does "Last Time Buy" product status mean?
A: Last Time Buy indicates the manufacturer has announced end-of-life for that specific part number. Existing inventory may be available, but no new production is planned. For long-term design continuity, Active status parts such as ULN2003ADR or ULN2003AIDR are preferred.
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