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SA56004FDP,118 Equivalent & Substitute Parts
Part Overview
The SA56004FDP,118 is a digital temperature sensor manufactured by NXP Semiconductors designed for local and remote temperature monitoring across the -40°C to 125°C range. This component features 10-bit resolution, I2C/SMBus output interface, and operates on 3V to 5.5V supply voltage in an 8-TSSOP surface mount package.
The SA56004FDP,118 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and system updates.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| 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 Type | 8-TSSOP |
| Mounting Type | Surface Mount |
| Features | Output Switch, Programmable Limit |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the SA56004FDP,118 is determined by the following critical parameters:
Primary Compatibility Criteria:
- Sensor type (Digital, Local/Remote)
- Temperature sensing range (-40°C ~ 125°C minimum)
- Output interface (I2C/SMBus)
- Supply voltage compatibility (3V ~ 5.5V or subset)
- Resolution (10 bits minimum)
- Package type (8-TSSOP or equivalent footprint)
- Accuracy specification (±2°C to ±3°C range)
Substitute Categories:
Category 1: Direct Equivalent (Active Status) SA56004EDP,118 from NXP Semiconductors is the direct active equivalent with identical electrical and mechanical specifications.
Category 2: Extended Temperature Range with Reduced Supply Voltage LM95245CIMMX-1/NOPB and LM95245CIMMX/NOPB from Texas Instruments provide -40°C ~ 85°C local sensing with 10-bit resolution and extended 12-bit remote resolution. These operate on 3V ~ 3.6V supply voltage, which is a subset of the original 3V ~ 5.5V specification.
Category 3: Reduced Temperature Range with Reduced Supply Voltage LM89-1CIMMX/NOPB, LM89CIMMX/NOPB, LM99-1CIMM/NOPB, and LM99CIMMX/NOPB from Texas Instruments operate within 0°C ~ 85°C sensing range with 3V ~ 3.6V supply voltage. These represent functional alternatives for applications not requiring the full -40°C ~ 125°C range.
Parameter Comparison
| Part Number | Manufacturer | Status | Sensing Temp (Local) | Sensing Temp (Remote) | Resolution | Supply Voltage | Output Type | Accuracy | Package |
|---|---|---|---|---|---|---|---|---|---|
| SA56004FDP,118 | NXP Semiconductors | Obsolete | -40°C ~ 125°C | -40°C ~ 125°C | 10 b | 3V ~ 5.5V | I2C/SMBus | ±2°C (±3°C) | 8-TSSOP |
| SA56004EDP,118 | NXP USA Inc. | Active | -40°C ~ 125°C | -40°C ~ 125°C | 10 b | 3V ~ 5.5V | I2C/SMBus | ±2°C (±3°C) | 8-TSSOP |
| LM89-1CIMMX/NOPB | Texas Instruments | Active | 0°C ~ 85°C | 0°C ~ 85°C | 7 b (Local), 10 b (Remote) | 3V ~ 3.6V | SMBus | ±3°C | 8-VSSOP |
| LM89CIMM/NOPB | Texas Instruments | Obsolete | 0°C ~ 85°C | 0°C ~ 85°C | 7 b (Local), 10 b (Remote) | 3V ~ 3.6V | SMBus | ±3°C | 8-VSSOP |
| LM89CIMMX/NOPB | Texas Instruments | Active | 0°C ~ 85°C | 0°C ~ 85°C | 7 b (Local), 10 b (Remote) | 3V ~ 3.6V | SMBus | ±3°C | 8-VSSOP |
| LM95245CIMM/NOPB | Texas Instruments | Obsolete | -40°C ~ 85°C | -40°C ~ 85°C | 10 b (Local), 12 b (Remote) | 3V ~ 3.6V | SMBus | ±2°C (±6°C) | 8-VSSOP |
| LM95245CIMMX-1/NOPB | Texas Instruments | Active | -40°C ~ 85°C | -40°C ~ 85°C | 10 b (Local), 12 b (Remote) | 3V ~ 3.6V | SMBus | ±2°C (±6°C) | 8-VSSOP |
| LM95245CIMMX/NOPB | National Semiconductor | Active | -40°C ~ 85°C | -40°C ~ 85°C | 10 b (Local), 12 b (Remote) | 3V ~ 3.6V | SMBus | ±2°C (±6°C) | 8-VSSOP |
| LM99-1CIMM/NOPB | Texas Instruments | Active | 0°C ~ 85°C | 0°C ~ 85°C | 7 b (Local), 11 b (Remote) | 3V ~ 3.6V | SMBus | ±3°C | 8-VSSOP |
| LM99CIMM/NOPB | Texas Instruments | Obsolete | 0°C ~ 85°C | 0°C ~ 85°C | 7 b (Local), 11 b (Remote) | 3V ~ 3.6V | SMBus | ±3°C | 8-VSSOP |
| LM99CIMMX/NOPB | Texas Instruments | Active | 0°C ~ 85°C | 0°C ~ 85°C | 7 b (Local), 11 b (Remote) | 3V ~ 3.6V | SMBus | ±3°C | 8-VSSOP |
Engineering Selection Recommendations
Primary Selection: SA56004EDP,118
SA56004EDP,118 is the recommended substitute. It maintains active product status with NXP USA Inc., provides identical electrical specifications including -40°C ~ 125°C sensing range, 10-bit resolution, 3V ~ 5.5V supply voltage, and I2C/SMBus interface. ROHS3 compliance and RoHS certification are maintained. This part requires no design modifications and provides direct pin-compatible replacement.
Secondary Selection: LM95245CIMMX-1/NOPB or LM95245CIMMX/NOPB
These Texas Instruments parts maintain active status and provide -40°C ~ 85°C local sensing with 10-bit resolution. Supply voltage is reduced to 3V ~ 3.6V. These are suitable for applications where the upper temperature limit of 85°C is acceptable and where supply voltage is constrained to 3.6V maximum. ROHS3 compliance is maintained.
Tertiary Selection: LM89-1CIMMX/NOPB, LM89CIMMX/NOPB, LM99-1CIMM/NOPB, or LM99CIMMX/NOPB
These Texas Instruments parts are suitable only for applications with reduced temperature requirements (0°C ~ 85°C). All maintain active status, ROHS3 compliance, and operate on 3V ~ 3.6V supply voltage. Selection between LM89 and LM99 variants depends on remote resolution requirements (10-bit versus 11-bit).
Frequently Asked Questions (FAQ)
Q: Can SA56004EDP,118 directly replace SA56004FDP,118 without design changes?
A: Yes. SA56004EDP,118 is electrically and mechanically identical to SA56004FDP,118. Pin configuration, package footprint (8-TSSOP), supply voltage range (3V ~ 5.5V), temperature sensing range (-40°C ~ 125°C), resolution (10-bit), and I2C/SMBus interface are identical. No PCB modifications are required.
Q: What are the limitations of LM95245CIMMX-1/NOPB compared to SA56004FDP,118?
A: LM95245CIMMX-1/NOPB reduces the local temperature sensing upper limit from 125°C to 85°C and constrains supply voltage to 3V ~ 3.6V (versus 3V ~ 5.5V). Remote sensing also operates within -40°C ~ 85°C. These limitations are acceptable for applications not requiring operation above 85°C or 3.6V supply voltage.
Q: Are LM89 and LM99 series parts suitable replacements for the full temperature range?
A: No. LM89 and LM99 series parts operate only within 0°C ~ 85°C sensing range, which does not cover the -40°C lower limit of SA56004FDP,118. These parts are suitable only for applications with reduced temperature requirements.
Q: What is the difference between 8-TSSOP and 8-VSSOP packages?
A: Both are 8-pin surface mount packages with 0.118" (3.00mm) width. The footprint and pin spacing are compatible for PCB layout purposes. Mechanical dimensions are equivalent for standard reflow soldering processes.
Q: Do all substitute parts maintain RoHS3 compliance?
A: Yes. All substitute parts listed maintain ROHS3 compliance and are REACH unaffected, matching the compliance status of SA56004FDP,118.
Q: Which substitute part offers the highest remote temperature resolution?
A: LM95245CIMMX-1/NOPB and LM95245CIMMX/NOPB provide 12-bit remote resolution, compared to 10-bit remote resolution in SA56004FDP,118 and LM89 series, and 11-bit remote resolution in LM99 series.
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