DAC0830LCN Equivalent & Substitute Parts

Part Overview

The DAC0830LCN is an 8-bit digital-to-analog converter manufactured by Texas Instruments, housed in a 20-DIP package. This component converts parallel digital input signals to analog current output and features external reference capability with multiplying DAC architecture. The DAC0830LCN is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

DAC0830LCN

Texas InstrumentsIn Stock: 1439DAC0830LCN Datasheet

Current PartRFQ

TLC7524CN

Texas InstrumentsIn Stock: 7899TLC7524CN Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DAC0830LCN is determined by the following critical parameters:

• Resolution: 8-bit conversion capability
• Output Configuration: Current output, unbuffered, with differential output capability
• Data Interface: Parallel digital input
• Reference Input: External reference requirement
• Supply Voltage Ranges: Analog and digital supply compatibility within 5V to 15V envelope
• Operating Temperature: 0°C to 70°C range
• Package Compatibility: Through-hole DIP mounting

The TLC7524CN meets these core functional requirements while operating as an active product with enhanced performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The TLC7524CN is the manufacturer-recommended substitute for the DAC0830LCN. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The TLC7524CN offers improved settling time performance (100ns versus 1µs) and maintains active product status, ensuring long-term availability and supply chain continuity. The TLC7524CN operates within compatible supply voltage ranges and preserves the 8-bit resolution, parallel data interface, external reference architecture, and differential current output configuration required for functional equivalence. Package transition from 20-DIP to 16-DIP requires PCB layout modification but maintains through-hole mounting compatibility.

Frequently Asked Questions (FAQ)

Q: Can the TLC7524CN directly replace the DAC0830LCN without circuit modification?

A: Functional substitution is possible due to matching 8-bit resolution, parallel interface, external reference requirement, and differential current output. However, the package change from 20-DIP to 16-DIP requires PCB footprint redesign. Pin-to-pin compatibility must be verified against specific application schematics.

Q: What is the significance of the settling time difference between these components?

A: The TLC7524CN settling time of 100ns is faster than the DAC0830LCN at 1µs. This improvement enhances conversion speed and may reduce system latency. Applications with strict timing requirements benefit from this performance enhancement.

Q: Are the supply voltage ranges compatible between these parts?

A: Both components accept 5V supply operation. The DAC0830LCN specifies 5V ~ 15V range, while the TLC7524CN specifies 5V and 14.5V ~ 15.5V. At 5V operation, both are compatible. At higher voltages, the TLC7524CN tolerance is tighter.

Q: Why is the DAC0830LCN classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The TLC7524CN, as an active product, provides continued availability and manufacturing support for equivalent functionality.

Q: What are the package implications for system redesign?

A: The transition from 20-DIP to 16-DIP requires PCB layout modification. Both maintain 0.300" (7.62mm) row spacing and through-hole mounting, but pin count and footprint differ. Schematic cross-reference and pinout verification are necessary before implementation.