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National Semiconductor ADC121S051CISD

ADC121S051 - ADC, SUCCESSIVE APP

Answer first: this page is a purchasing reference for the exact part number ADC121S051CISD 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: Analog to Digital Converters (ADC) Part number: ADC121S051CISD Package: 6-WDFN Exposed Pad RFQ verification required

Key Parameters

Part NumberADC121S051CISD
ManufacturerNational Semiconductor
CategoryAnalog to Digital Converters (ADC)
package6-WDFN Exposed Pad
series-
packagingBulk
product statusActive
param 112
param 2500k
param 31
param 4Single Ended
param 5SPI, DSP
param 6S/H-ADC
param 7-
param 81
param 9SAR
param 10Supply
param 112.7V ~ 5.25V
param 122.7V ~ 5.25V
param 13-
param 14-40°C ~ 85°C
param 156-WSON (2.2x2.5)
param 16Surface Mount
param 17-
param 18-

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

How to Verify ADC121S051CISD 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 ADC121S051CISD, 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.