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SA56004GD,112 Temperature Sensor - Equivalent & Substitute Parts
Part Overview
The SA56004GD,112 is a digital temperature sensor manufactured by NXP USA Inc. designed for local and remote temperature monitoring across the -40°C to 125°C range. This component features I2C/SMBus output, 10-bit resolution, and programmable limit functionality in an 8-SOIC surface mount package. The part is currently obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | SA56004GD,112 |
|---|---|
| Manufacturer | NXP USA Inc. |
| Sensor Type | Digital, Local/Remote |
| Sensing Temperature Range | -40°C ~ 125°C |
| Output Type | I2C/SMBus |
| Supply Voltage | 3V ~ 5.5V |
| Resolution | 10 bits |
| Accuracy | ±2°C (60°C ~ 100°C), ±3°C (-40°C ~ 125°C) |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the SA56004GD,112 is determined by the following critical parameters:
Primary Compatibility Criteria:
- Package type: 8-SOIC form factor (0.154", 3.90mm Width)
- Communication protocol: I2C/SMBus interface
- Sensor configuration: Digital, Local/Remote temperature measurement
- Operating temperature range: Minimum -40°C to 125°C coverage
- Supply voltage compatibility: 3V to 5.5V operation
Substitute Categories:
Category A - Direct Functional Equivalents (TMP411 Series) Parts TMP411ADR, TMP411BDR, TMP411CD, and TMP411CDR from Texas Instruments provide the closest functional match. These devices maintain identical temperature sensing ranges (-40°C ~ 125°C), I2C/SMBus protocol, 8-SOIC packaging, and supply voltage specifications. The TMP411 series offers 11-bit resolution (compared to 10-bit in SA56004GD,112) and enhanced accuracy of ±1°C to ±2.5°C. TMP411ADR and TMP411CDR are active products; TMP411AD and TMP411CD are obsolete.
Category B - Extended Temperature Range Alternatives (LM86/LM89 Series) Parts LM86CIM/NOPB, LM86CIMX/NOPB, and LM89CIMX/NOPB provide SMBus compatibility and 8-SOIC packaging but operate within a narrower temperature range (0°C ~ 85°C). These are suitable only for applications not requiring the full -40°C lower temperature limit. All three parts are active products.
Category C - Enhanced Resolution Alternative (LM95245CIMX/NOPB) The LM95245CIMX/NOPB from Texas Instruments extends the lower temperature limit to -40°C and provides 10-bit local resolution with 12-bit remote resolution. It maintains SMBus protocol, 8-SOIC packaging, and 3V to 3.6V supply voltage compatibility. This part is active and offers higher resolution capability.
Parameter Comparison
| Parameter | SA56004GD,112 | TMP411ADR | TMP411BDR | TMP411CDR | LM86CIMX/NOPB | LM89CIMX/NOPB | LM95245CIMX/NOPB |
|---|---|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Sensor Type | Digital, Local/Remote | Digital, Local/Remote | Digital, Local/Remote | Digital, Local/Remote | Digital, Local/Remote | Digital, Local/Remote | Digital, Local/Remote |
| Sensing Temperature - Local | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | 0°C ~ 85°C | 0°C ~ 85°C | -40°C ~ 85°C |
| Output Type | I2C/SMBus | I2C/SMBus | I2C/SMBus | I2C/SMBus | SMBus | SMBus | SMBus |
| Supply Voltage | 3V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V |
| Resolution | 10 bits | 11 bits | 11 bits | 11 bits | 7 b (Local), 10 b (Remote) | 7 b (Local), 10 b (Remote) | 10 b (Local), 12 b (Remote) |
| Accuracy | ±2°C (±3°C) | ±1°C (±2.5°C) | ±1°C (±2.5°C) | ±1°C (±2.5°C) | ±3°C | ±3°C | ±2°C (±6°C) |
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
For Full Temperature Range Coverage (-40°C to 125°C): Select from the TMP411 series (TMP411ADR, TMP411BDR, or TMP411CDR). These active products maintain the complete temperature sensing range of the SA56004GD,112 with enhanced 11-bit resolution and superior accuracy. TMP411ADR and TMP411CDR are recommended as active products with established supply chains. All TMP411 variants are ROHS3 compliant and REACH unaffected.
For Limited Temperature Range Applications (0°C to 85°C): The LM86CIMX/NOPB or LM89CIMX/NOPB are suitable alternatives when the full -40°C lower limit is not required. Both are active products with strong inventory availability and ROHS3 compliance. LM86CIMX/NOPB is available from Texas Instruments with 3199 units in stock.
For Enhanced Resolution with Extended Low Temperature: The LM95245CIMX/NOPB provides 10-bit local and 12-bit remote resolution while maintaining -40°C lower temperature capability. This part is active and ROHS3 compliant, suitable for applications requiring higher measurement precision.
Frequently Asked Questions (FAQ)
Q: Can I directly replace SA56004GD,112 with any TMP411 variant? A: Yes. TMP411ADR, TMP411BDR, TMP411CD, and TMP411CDR are direct functional replacements. All maintain the 8-SOIC package, I2C/SMBus protocol, -40°C to 125°C temperature range, and ROHS3 compliance. TMP411ADR and TMP411CDR are active products recommended for new designs.
Q: What is the key difference between TMP411 and LM86/LM89 series? A: The TMP411 series covers the full -40°C to 125°C range matching the SA56004GD,112. The LM86 and LM89 series operate only from 0°C to 85°C, making them unsuitable for applications requiring sub-zero temperature measurement.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts (TMP411 series, LM86, LM89, and LM95245) are ROHS3 compliant and REACH unaffected, matching the compliance status of the SA56004GD,112.
Q: Does the 8-SOIC package remain consistent across all substitutes? A: Yes. All substitute parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring PCB layout compatibility without redesign.
Q: What supply voltage range should I verify for my application? A: The SA56004GD,112 operates at 3V to 5.5V. TMP411 series supports 2.7V to 5.5V (broader range). LM86, LM89, and LM95245 operate at 3V to 3.6V (narrower range). Verify your system voltage before selection.
Q: Which substitute offers the best accuracy? A: The TMP411 series provides ±1°C accuracy (±2.5°C at temperature extremes), superior to the SA56004GD,112's ±2°C (±3°C). The LM95245CIMX/NOPB matches the ±2°C accuracy at nominal conditions.
Q: Are there inventory considerations for these substitutes? A: TMP411ADR has the highest inventory (68,738 units). LM89CIMX/NOPB (3,550 units) and LM86CIMX/NOPB (3,199 units) also have strong availability. All are active products with established supply chains.
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