LDC1000NHRT Equivalent & Substitute Parts

Part Overview

The LDC1000NHRT is an Inductance-to-Digital Converter manufactured by Texas Instruments, designed for data acquisition applications requiring 16-bit resolution with SPI interface. This device converts inductance measurements into digital signals suitable for microcontroller integration. The LDC1000NHRT is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure long-term supply chain reliability.

Substiute Parts

LDC1000NHRT
Texas InstrumentsIn Stock: 1646LDC1000NHRT Datasheet
LDC1000NHRT
Current Part
LDC1001NHRR
Texas InstrumentsIn Stock: 2814LDC1001NHRR Datasheet
LDC1001NHRR
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Texas Instruments
Category Data Acquisition
Type Inductance-to-Digital Converter
Resolution 16 bits
Number of Channels 2
Data Interface SPI
Voltage Supply 3.3V, 5V
Operating Temperature Range -40°C to 125°C
Mounting Type Surface Mount
Package 16-WFDFN Exposed Pad (16-WSON 5x4)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

The LDC1001NHRR qualifies as a direct substitute for the LDC1000NHRT based on the following critical parameters:

  • Identical Functional Specifications: Both devices feature 16-bit resolution, 2-channel inductance-to-digital conversion, and SPI data interface
  • Matching Electrical Characteristics: Dual voltage supply support (3.3V, 5V) and identical operating temperature range (-40°C to 125°C)
  • Compatible Package: Both use 16-WFDFN Exposed Pad (16-WSON 5x4) surface mount packaging, ensuring PCB layout compatibility
  • Regulatory Alignment: Both maintain ROHS3 compliance, REACH unaffected status, and identical moisture sensitivity classification
  • Active Product Status: The LDC1001NHRR is actively manufactured, providing supply chain continuity

Parameter Comparison

Parameter LDC1000NHRT LDC1001NHRR
Manufacturer Texas Instruments Texas Instruments
Product Status Obsolete Active
Type Inductance-to-Digital Converter Inductance-to-Digital Converter
Resolution 16 bits 16 bits
Number of Channels 2 2
Data Interface SPI SPI
Voltage Supply 3.3V, 5V 3.3V, 5V
Operating Temperature -40°C to 125°C -40°C to 125°C
Mounting Type Surface Mount Surface Mount
Package 16-WFDFN Exposed Pad 16-WFDFN Exposed Pad
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

The LDC1001NHRR is the direct equivalent for LDC1000NHRT applications. Selection criteria are based on the following factors:

  • Product Lifecycle: The LDC1001NHRR maintains active manufacturing status, ensuring availability for new designs and production continuity
  • Regulatory Compliance: Both devices meet ROHS3 requirements and maintain identical REACH and ECCN classifications (EAR99)
  • Packaging Compatibility: Identical 16-WFDFN Exposed Pad package enables direct PCB layout reuse without redesign
  • Electrical Equivalence: Matching resolution, channel count, interface protocol, and supply voltage specifications ensure functional interchangeability

Frequently Asked Questions (FAQ)

Q: Can the LDC1001NHRR directly replace the LDC1000NHRT on existing PCBs?

A: Yes. Both devices use identical 16-WFDFN Exposed Pad packaging with matching pinout and electrical specifications, enabling direct substitution without PCB modification.

Q: What is the primary reason for substitution?

A: The LDC1000NHRT is classified as obsolete. The LDC1001NHRR is the active equivalent, ensuring long-term supply availability and manufacturing support.

Q: Are there differences in supply voltage requirements?

A: No. Both devices support identical dual voltage operation at 3.3V and 5V, with matching analog and digital supply architecture.

Q: Do both devices operate across the same temperature range?

A: Yes. Both the LDC1000NHRT and LDC1001NHRR operate from -40°C to 125°C, maintaining identical thermal specifications.

Q: Are there packaging format differences?

A: The LDC1001NHRR is supplied in Tape & Reel (TR) format, while the LDC1000NHRT packaging format is not specified. Both use the same 16-WSON (5x4) component package.

Q: Do both devices meet current regulatory standards?

A: Yes. Both maintain ROHS3 compliance, REACH unaffected status, and identical moisture sensitivity classification (MSL 1).

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