ADSP-1012AJP - 12x12 CMOS Multiplier | Analog Devices
料号： ADSP-1012AJP ✗ 停产ADSP-1012AJP 概述
An analog multiplier is a signal-processing IC that performs mathematical multiplication of two voltage signals. Within the broader semiconductor hierarchy, it is a linear analog circuit, a functional analog multiplier, and a member of the wider signal-processing IC category. Unlike a digital multiplier implemented inside a microprocessor or DSP, this CMOS device operates directly in the analog domain and can participate in modulation, feedback, gain-control, and measurement circuits without requiring digital conversion at every stage.
The key verified identifiers are the 12 x 12 multiplier resolution and the 68-LCC J-lead package. The suffix AJP identifies the particular Analog Devices ordering variant, while the package arrangement is available through distributors that provide pinout diagrams and manufacturer documentation. LCSC identifies the ADSP-1012AJP as in stock with a starting price of $6.4755, whereas Rochester Electronics lists original packaged units beginning at $261.05, reflecting the wide market spread associated with legacy analog components.
The ADSP-1012AJP belongs to the CMOS multiplier product class. Its technical characteristics should be evaluated from the ADI manufacturer datasheet before signal-chain design, particularly input and output voltage ranges, bandwidth, accuracy, supply requirements, scaling behavior, reference inputs, and recommended operating conditions. Those parameters were not included in the supplied verified excerpts and therefore are not inferred here.
Typical design roles include analog modulation and demodulation, programmable gain stages, closed-loop control products, instrumentation, and laboratory signal processing. The 68-LCC J-lead package makes the device particularly relevant to older leaded industrial, instrumentation, and aerospace-style assemblies where a modern fine-pitch surface-mount package would not fit the existing board pattern.
Engineers should verify the complete manufacturer pinout and application circuit before PCB release. Because the verified excerpts do not provide individual pin numbers, electrical limits, or a public pin table, the package diagram is not fabricated here. The correct design process is to confirm every connection, power rail, bypass requirement, and signal-conditioning component against the official ADI datasheet.
This page combines verified distributor availability, exact package information, and pricing references with explicit data-gap markers. It also provides application guidance and engineering cautions for a legacy CMOS multiplier without presenting unverified electrical specifications as factual. Buyers can use the linked LCSC datasheet and manufacturer documentation for procurement, pin verification, and production design decisions.
直接替换替代料： ADSP-1012AJP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
ADSP-1012A
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADSP-1012
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADSP-1012AJP 最大额定值与电气特性
| Multiplier Resolution | 12 x 12 bits |
| Product Type | CMOS analog multiplier |
| Device Category | Linear analog multiplier |
| 封装 | 68-LCC (J-Lead) |
| 引脚数量 | 68 pins |
| 安装类型 | Through-hole leaded |
| Leads per Side | 17 J-leads |
| Process Technology | CMOS |
ADSP-1012AJP 68-lcc (j-lead) 引脚配置指南
ADSP-1012AJP（68-lcc (j-lead) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： ADSP-1012AJP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADSP-1012AJP 适用于 6 应用s: Analog Modulation and Demodulation, Programmable Gain Control, Precision Test and Measurement, Analog Feedback Control, Signal Conditioning and Waveform Shaping, Legacy Aerospace and Defense Equipment.
Analog Modulation and Demodulation
The ADSP-1012AJP is suitable for legacy analog modulation and demodulation circuits because its verified function is a 12 x 12 CMOS multiplier, allowing one signal to modulate another directly in the analog domain. The multiplier can form part of a balanced modulator, phase-sensitive detector, or product detector when the surrounding amplifier and filtering stages establish the required signal range. Its 68-LCC J-lead package supports repair and maintenance of older through-hole signal-processing assemblies. Before layout release, engineers must confirm the manufacturer's input and output voltage limits, bandwidth, reference behavior, supply pins, and recommended external components from the ADI datasheet, because those electrical details were not present in the verified excerpts.
推荐
Programmable Gain Control
The ADSP-1012AJP can support a programmable analog gain-control architecture in which a control voltage is multiplied by an input signal. Its verified 12 x 12 CMOS multiplier function provides the mathematical element for multiplying a changing control quantity by an analog waveform, while external amplifiers set signal scaling and impedance levels. This topology is useful in legacy instrumentation, servo systems, and industrial controllers that require continuously variable gain without converting the controlled signal to a digital domain. Engineers should verify settling behavior, bandwidth, linearity, and control-input range in the ADI documentation before selecting compensation networks or closing the feedback loop.
推荐
Precision Test and Measurement
The ADSP-1012AJP fits legacy test and measurement equipment where an analog product is required for reference comparisons, ratio measurements, calibration loops, or controlled scaling. Its verified 12 x 12 multiplier resolution makes it relevant to systems that multiply a measured signal by a calibration coefficient before conversion or display. The 68-LCC J-lead package is useful for maintaining older laboratory instruments, although production designs would normally evaluate newer package options. To claim measurement precision, engineers must obtain the manufacturer's accuracy, drift, noise, bandwidth, and supply specifications and verify that external reference and conditioning circuitry does not dominate the total error budget.
推荐
Analog Feedback Control
The ADSP-1012AJP can be used as the multiplying element in a legacy analog feedback-control system where a control or command signal must be scaled by a measured process variable. This arrangement can support nonlinear control laws, squared-error generation, and adaptive-loop implementations without performing every operation digitally. The part's verified CMOS analog multiplier architecture and 12 x 12 resolution provide the core nonlinear function, while external amplifiers and filters determine loop bandwidth and stability. Because the verified excerpts do not include settling time, gain error, or output drive capability, a production control design should first validate stability and transient response against the official ADI characteristic data.
推荐
Signal Conditioning and Waveform Shaping
The ADSP-1012AJP is applicable to legacy signal-conditioning modules that need analog multiplication before filtering, offset correction, or digitization. Multiplying a waveform by a slowly varying envelope or coefficient allows the circuit to implement amplitude weighting, product detection, or coordinated scaling without a separate multiplier IC. Its 12 x 12 resolution is the principal verified performance identifier, while actual conversion accuracy and usable frequency range must be confirmed from the ADI datasheet. Layout should preserve the manufacturer's recommended grounding and decoupling arrangement and keep sensitive analog routing away from high-current switching nodes in a mixed-signal instrument.
推荐
Legacy Aerospace and Defense Equipment
The ADSP-1012AJP may be appropriate for maintenance or replication of legacy aerospace, defense, and industrial equipment that already uses its 68-LCC J-lead footprint and analog multiplier topology. The leaded package facilitates inspection and replacement in older through-hole assemblies, but suitability depends on the exact qualification and environmental requirements of the original program. The supplied data does not state AEC-Q100 status, military screening, temperature range, or radiation tolerance, so none should be assumed. Procurement and engineering teams must obtain the official ADI datasheet, traceable part records, and program-specific compliance evidence before approving this device for a new flight or safety-critical application.
推荐
推荐产品汇总
工程参考数据： ADSP-1012AJP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADSP-1012A | ADSP-1012 |
|---|---|---|---|
| Package | 68-LCC (J-Lead) | 68-LCC (J-Lead) | 68-LCC (J-Lead) |
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Product Type | 12 x 12 CMOS analog multiplier | CMOS analog multiplier family member | CMOS analog multiplier family member |
关键差异点
- Exact legacy package and function match （对比 ADSP-1012A)
- Verified multi-source procurement evidence （对比 ADSP-1012)
- Verified in-stock lower-priced source （对比 ADSP-1012A)
设计说明
Treat the 68-LCC J-lead footprint as a through-hole assembly rather than a generic 68-pin surface-mount land pattern. Before releasing artwork, compare the PCB drill positions and lead spacing against the official ADI package drawing and the Rochester Electronics 68-LCC listing. Confirm pin numbering against the manufacturer datasheet, especially for power, reference, control, and analog signal connections. The verified excerpts identify the package but do not provide its dimensions or individual pin assignments, so these mechanical details cannot safely be inferred.
Use the manufacturer's recommended reference, bypass, and grounding arrangement when placing the ADSP-1012AJP in a mixed-signal board. Keep multiplier input and output routing short, route analog signals away from switching-regulator and digital-clock paths, and place local decoupling at the appropriate power pins. Avoid long parallel runs beneath or beside sensitive analog nets. Because verified characteristic, supply-current, and application-circuit data were not supplied, determine the final capacitor values and topology directly from the official ADI datasheet rather than extrapolating from another CMOS multiplier.
Do not substitute an ADSP-1012 family member based only on package appearance or the 12 x 12 multiplier designation. A safe replacement requires matching pin functions, reference-input behavior, supply rails, output drive, bandwidth, accuracy, and external-component requirements. The exact ADSP-1012AJP is the verified choice when continuity is critical. The listed same-brand alternatives originate from family-level parametric knowledge, so verify them against ADI documentation and perform bench characterization before approving them as production drop-ins.
合规信息
No verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement was included. The component is identified as a legacy 68-LCC CMOS multiplier, but compliance and qualification must be confirmed using the official ADI documentation and supplier certificates.
