Request Quote
(Ships tomorrow)
AD7899AR-2 Equivalent & Substitute Parts
Part Overview
The AD7899AR-2 is a 14-bit Analog to Digital Converter (ADC) with single-ended input, SAR architecture, and 400 kSPS sampling rate in 28-SOIC surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Active alternatives from Analog Devices maintain identical electrical and mechanical specifications while offering improved product status and availability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resolution | 14 Bit |
| Sampling Rate | 400 kSPS |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Architecture | SAR |
| Data Interface | Parallel |
| Analog Supply Voltage | 5V |
| Digital Supply Voltage | 5V |
| Operating Temperature Range | -40°C to 85°C |
| Package | 28-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the AD7899AR-2 is based on strict equivalence across all critical electrical and mechanical parameters. All substitute parts maintain identical specifications for resolution (14-bit), sampling rate (400 kSPS), input configuration (single-ended), architecture (SAR), supply voltages (5V analog and digital), operating temperature range (-40°C to 85°C), and package type (28-SOIC surface mount).
The primary distinction among substitute parts is product status and packaging format. The AD7899AR-2 is obsolete, while AD7899ARZ-2, AD7899ARZ-1, AD7899ARZ-3, and AD7899BRZ-1 are active products. Packaging differences include tube format for active alternatives versus the original part's unspecified packaging.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Resolution (Bit) | Sampling Rate (kSPS) | Inputs | Input Type | Architecture | Analog Supply (V) | Digital Supply (V) | Temp Range (°C) | Package | Packaging Format | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AD7899AR-2 | Analog Devices Inc. | Obsolete | 14 | 400 | 1 | Single Ended | SAR | 5 | 5 | -40 to 85 | 28-SOIC | Not Specified | Not Specified | 1372 |
| AD7899ARZ-2 | Analog Devices Inc. | Active | 14 | 400 | 1 | Single Ended | SAR | 5 | 5 | -40 to 85 | 28-SOIC | Tube | ROHS3 Compliant | 23427 |
| AD7899ARZ-1 | Analog Devices Inc. | Active | 14 | 400 | 1 | Single Ended | SAR | 5 | 5 | -40 to 85 | 28-SOIC | Tube | ROHS3 Compliant | 1882 |
| AD7899ARZ-3 | Analog Devices Inc. | Active | 14 | 400 | 1 | Single Ended | SAR | 5 | 5 | -40 to 85 | 28-SOIC | Tube | ROHS3 Compliant | 848 |
| AD7899BRZ-1 | Analog Devices Inc. | Active | 14 | 400 | 1 | Single Ended | SAR | 5 | 5 | -40 to 85 | 28-SOIC | Tube | ROHS3 Compliant | 1850 |
Engineering Selection Recommendations
All substitute parts are direct functional equivalents to the AD7899AR-2 based on electrical and mechanical parameters. Selection among active alternatives should prioritize product status and compliance certifications.
AD7899ARZ-2 is the primary recommended substitute, offering the highest inventory availability (23,427 pcs) and active product status with ROHS3 compliance and REACH unaffected certification. This part provides the most reliable long-term supply chain continuity.
AD7899BRZ-1 and AD7899ARZ-3 are secondary alternatives with active status and full compliance certifications. AD7899ARZ-1 is a tertiary option with lower inventory levels but equivalent specifications and certifications.
All active substitutes are supplied in tube packaging format and maintain identical electrical performance, supply voltage requirements, temperature operating range, and 28-SOIC package specifications as the obsolete AD7899AR-2.
Frequently Asked Questions (FAQ)
Q: Can AD7899ARZ-2 directly replace AD7899AR-2 in existing designs?
A: Yes. AD7899ARZ-2 maintains identical electrical specifications (14-bit resolution, 400 kSPS sampling rate, 5V supply voltages, -40°C to 85°C operating range) and mechanical compatibility (28-SOIC surface mount package). The primary difference is product status (active versus obsolete) and packaging format (tube).
Q: What is the difference between AD7899ARZ-1, AD7899ARZ-2, and AD7899ARZ-3?
A: These parts are parametric equivalents with identical electrical and mechanical specifications. Differences exist only in product designation and current inventory levels. All three are active products with ROHS3 compliance and REACH unaffected status.
Q: Why is AD7899AR-2 classified as obsolete?
A: The AD7899AR-2 has reached end-of-life status. Active alternatives from Analog Devices provide equivalent functionality with improved product support and compliance certifications.
Q: Are there any compatibility concerns when switching from AD7899AR-2 to substitute parts?
A: No compatibility concerns exist. All substitute parts share identical pin configurations, package dimensions (28-SOIC, 0.295" width, 7.50mm), mounting type (surface mount), and electrical characteristics. Direct PCB substitution is supported.
Q: What packaging formats are available for substitute parts?
A: All active substitute parts (AD7899ARZ-2, AD7899ARZ-1, AD7899ARZ-3, AD7899BRZ-1) are supplied in tube packaging format. The original AD7899AR-2 packaging format was not specified.
Q: Do substitute parts meet current regulatory requirements?
A: Yes. All active substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic components.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts