What is a cross-reference page for AD7661ASTZ?
This page groups mapped replacement options for AD7661ASTZ so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
AD7661ASTZ replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for AD7661ASTZ, then verify package, specifications, and application fit before approval.
Compare AD7661ASTZ against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
No mapped replacement parts yet
This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.
Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
swipe Swipe or scroll horizontally to compare more part numbers
The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part AD7661ASTZ Analog Devices Inc./Maxim Integrated |
|---|---|
| Part Number | AD7661ASTZ |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Integrated Circuits (ICs) |
| Subcategory | Data Acquisition - Analog to Digital Converters (ADC) |
| Package | LQFP |
| Series | PulSAR® |
| Key Attributes | - |
| Description | IC ADC 16BIT W/REF 48-LQFP |
| Lifecycle | - |
| Stock | 125,177 |
| Available | 56,201 |
| Min Order | 1 |
| Datasheet | Available |
| Number of Analog In Channels | 1 |
| Number of Channels | 1 |
| Sample and Hold / Track and Hold | SAMPLE |
| Configuration | S/H-ADC |
| Output Format | SERIAL, PARALLEL, WORD |
| Output Bit Code | BINARY, 2'S COMPLEMENT BINARY |
| Sampling Rate (Per Second) | 100k |
| Input Type | Pseudo-Differential |
| Supply Type | Analog, Digital |
| Differential Nonlinearity | -1 LSB |
| Linearity Error-Max (EL) | 0.0038% |
| Power Consumption | 40mW |
| Signal to Noise Ratio (SNR) | 89.3 dB |
| Contact Plating | Tin |
| Part Status | Active |
| Radiation Hardening | NO |
| Pbfree Code | NO |
| Packaging | Tray |
| Surface Mount | Yes |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Number of Functions | 1 |
| Lead Free | Contains Lead |
| Mounting Type | Surface Mount |
| Number of Bits | 16 |
| Factory Lead Time | 8 Weeks |
| Reflow Temperature-Max (s) | 30 |
| Operating Temperature | -40°C~85°C |
| Pin Count | 48 |
| Number of Pins | 48 |
| Number of Terminations | 48 |
| Termination | SMD/SMT |
| Categories | Integrated Circuits (ICs) |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Length | 7mm |
| Width | 7mm |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Operating Supply Voltage | 5V |
| Supply Voltage | 5V |
| Voltage - Supply, Analog | 5V |
| Technology | CMOS |
| Height | 1.4mm |
| Sub-Categories | Data Acquisition - Analog to Digital Converters (ADC) |
| Subcategory | Analog to Digital Converters |
| Resolution | 2 B |
| Reference Type | External, Internal |
| Terminal Position | QUAD |
| Architecture | SAR |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| Terminal Pitch | 0.5mm |
| Max Supply Voltage | 5.25V |
| Polarity | Unipolar |
| Interface | SPI |
| Sampling Rate | 100 ksps |
| Min Input Voltage | 2.3V |
| Min Supply Voltage | 4.75V |
| Series | PulSAR® |
| Package / Case | 48-LQFP |
| Data Interface | SPI, Parallel, DSP |
| Lifecycle Status | PRODUCTION (Last Updated: 3 weeks ago) |
| Integral Nonlinearity (INL) | 2.5 LSB |
| Max Input Voltage | 3.15V |
| Power Dissipation | 45mW |
| Max Power Dissipation | 45mW |
| Base Part Number | AD7661 |
| Manufacturer's Part No. | AD7661ASTZ |
| Nominal Supply Current | 6.2mA |
| JESD-609 Code | e3 |
| ECCN Code | EAR99 |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| HTSUS | 8542.39.0001 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing AD7661ASTZ replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for AD7661ASTZ?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for AD7661ASTZ alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to AD7661ASTZ?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is AD7661ASTZ obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to AD7661ASTZ from Analog Devices Inc./Maxim Integrated is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
developer_board
Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
tune
Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
task_alt
Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.