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National Semiconductor LMH6678LQ

IC OPAMP CFA 2 CIRCUIT 24WQFN

Answer first: this page is a purchasing reference for the exact part number LMH6678LQ from National Semiconductor. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: National Semiconductor Category: Instrumentation, Op Amps, Buffer Amps Part number: LMH6678LQ Package: 24-WFQFN Exposed Pad RFQ verification required

Key Parameters

Part NumberLMH6678LQ
ManufacturerNational Semiconductor
CategoryInstrumentation, Op Amps, Buffer Amps
package24-WFQFN Exposed Pad
seriesLMH®
packagingBulk
product statusObsolete
param 1Current Feedback
param 22
param 3Differential
param 4700V/µs
param 5-
param 650 MHz
param 7-
param 8-
param 933mA (x2 Channels)
param 10580 mA
param 113.3 V
param 1212 V
param 13-40°C ~ 85°C
param 14-
param 15-
param 16Surface Mount
param 1724-WQFN (4x5)

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify LMH6678LQ Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For LMH6678LQ, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.