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Analog Devices Inc. ADA4522-4ARZ-R7
- Part No.:
- ADA4522-4ARZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADA4522-4ARZ-R7.pdf
- Description:
- IC OPAMP ZERO-DRIFT 4CIRC 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:852
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Product details
Overview
ADA4522-4ARZ-R7 from Analog Devices is a quad-channel, zero-drift, rail-to-rail output operational amplifier optimized for ultra-high DC precision and low-noise signal conditioning in demanding industrial and automotive systems. It delivers 5 µV max offset voltage, 22 nV/°C max drift, 5.8 nV/√Hz typical voltage noise density, and operates from ±2.25 V to ±27.5 V or 4.5 V to 55 V supplies - enabling high-accuracy front-end amplification in battery management, load cell interfaces, and shunt current sensing.
For engineers reviewing the ADA4522-4ARZ-R7 datasheet, ADA4522-4ARZ-R7 pinout, ADA4522-4ARZ-R7 application, or ADA4522-4ARZ-R7 equivalent, this page provides verified specifications, package mapping to 14-lead SOIC (R-14), channel-specific terminal roles, EMI-hardened performance data, and validated alternative options for precision op amp selection across wide supply and temperature ranges.
Technical Context
The ADA4522-4ARZ-R7 implements auto-zeroing architecture with chopper-stabilized input stage and on-chip EMI filtering, achieving <0.01 µV/°C effective drift over −40°C to +125°C. Its rail-to-rail output swing (within 20 mV of rails at 10 kΩ load) and ground-sensing inputs support single-supply operation down to 4.5 V while maintaining >130 dB CMRR and >145 dB open-loop gain.
Each of its four independent amplifiers features matched dynamic performance: 3 MHz unity-gain crossover, 1.4–1.8 V/µs slew rate (supply-dependent), 6.5 MHz −3 dB bandwidth, and 98 dB channel separation - ensuring minimal crosstalk in multi-channel sensor signal chains requiring simultaneous high-fidelity acquisition.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | 5 µV maximum - enables sub-10 ppm error in 16-bit+ measurement systems without calibration. |
| Offset Drift | 22 nV/°C maximum - ensures <1 µV total drift over full −40°C to +125°C range, critical for uncalibrated field deployments. |
| Voltage Noise Density | 5.8 nV/√Hz typical at 1 kHz - supports low-noise amplification of microvolt-level sensor outputs (e.g., RTDs, thermocouples). |
| Supply Range | 4.5 V to 55 V single or ±2.25 V to ±27.5 V dual - accommodates 5 V, 12 V, 24 V, 30 V, and 48 V industrial bus architectures. |
| Output Swing | Rail-to-rail: VOL = 20–30 mV, VOH = 4.97–54.8 V (supply-dependent) - maximizes dynamic range in single-supply data acquisition. |
| EMI Rejection | 85 dB at 2.4 GHz - integrated input filters suppress RF interference from switching power supplies and wireless transceivers. |
| Operating Temperature | −40°C to +125°C - qualified per AEC-Q100 Grade 1, suitable for under-hood automotive and industrial edge nodes. |
Pinout & Package
ADA4522-4ARZ-R7 is packaged in a 14-lead SOIC (R-14) with standard JEDEC footprint and 1.27 mm pitch. Thermal resistance θJA = 115°C/W on 4-layer board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 14 | OUT A / OUT B / OUT D | Amplifier output terminals - each drives ≥14 mA, rail-to-rail swing, low 4 Ω closed-loop impedance at 1 MHz. |
| 2, 6, 13, 9 | −IN A / −IN B / −IN D / −IN C | Inverting inputs - high common-mode rejection (130–145 dB), differential input voltage limit ±5 V. |
| 3, 5, 12, 10 | +IN A / +IN B / +IN D / +IN C | Noninverting inputs - ground-sensing capability (IVR includes 0 V), input bias current ≤150 pA typical. |
| 4 | V+ | Positive supply rail - accepts up to 55 V; internal EMI filter protects analog input paths from supply-borne noise. |
| 11 | V− | Negative supply rail - supports dual-supply operation; must be applied after or simultaneously with V+ per sequencing requirement. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Auto-zeroing + chopper stabilization eliminates 1/f noise and drift accumulation - maintains DC accuracy over decades of operation. |
| Integrated EMI filtering | On-chip RC network at +IN/−IN pins achieves >72 dB rejection from 400 MHz to 2.4 GHz - eliminates need for external RF filters in noisy environments. |
| Rail-to-rail output | Drives within 20–350 mV of supply rails across temperature and load - preserves full ADC input range in single-supply systems. |
| AEC-Q100 qualification | Grade 1 (−40°C to +125°C) stress-tested for automotive sensors, OBCs, and traction inverters - meets reliability and lifetime requirements. |
| Wide supply flexibility | Operates from 4.5 V to 55 V single or ±2.25 V to ±27.5 V dual - supports legacy 5 V logic, 24 V industrial PLCs, and 48 V EV subsystems. |
Applications
| Load Cell Signal Conditioning | High-Precision Shunt Current Sensing |
|---|---|
|
Use Scenario: Amplifying mV-level differential output from full-bridge strain gauges in industrial weighing and structural monitoring systems. IC Role / Device Role / Timing Role: Instrumentation-grade front-end amplifier with matched quad channels for simultaneous multi-sensor acquisition. Use Value: 5 µV offset and 22 nV/°C drift ensure <0.01% full-scale error over temperature - eliminating recalibration in field-deployed equipment. |
Use Scenario: Measuring bidirectional current in battery management systems (BMS) and motor control inverters using low-value shunt resistors. IC Role / Device Role / Timing Role: Precision difference amplifier with rail-to-rail output driving ADC reference buffers. Use Value: 5.8 nV/√Hz noise density and 14 mA output drive enable accurate sub-milliohm shunt measurements at 16+ bit resolution. |
| Automotive Sensor Front-End | Programmable Logic Controller (PLC) Input Module |
|
Use Scenario: Signal conditioning for pressure, position, and temperature sensors in engine control units (ECUs) and ADAS modules. IC Role / Device Role / Timing Role: AEC-Q100 qualified quad op amp providing isolated, EMI-hardened amplification before SAR ADC sampling. Use Value: 85 dB EMI rejection at 2.4 GHz prevents corruption from infotainment RF emissions - meeting ISO 11452-2 immunity requirements. |
Use Scenario: Analog input stage in modular PLC I/O cards accepting 0–10 V, ±10 V, or 4–20 mA field signals. IC Role / Device Role / Timing Role: Configurable gain stage with programmable offset correction and overvoltage protection interface. Use Value: 55 V absolute max supply rating and ±300 mV input overvoltage tolerance allow direct connection to industrial field wiring without external clamping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4522-4ARUZ-R7 | Same die, 14-lead TSSOP (RU-14) package; θJA = 112°C/W vs. 115°C/W for SOIC. | Better thermal performance in space-constrained PCB layouts; identical electrical specs and pinout. | Select when board area is limited and thermal margin is critical; requires requalification of solder profile. |
| AD8629ARZ | Lower supply range (2.7–36 V), higher offset drift (0.2 µV/°C typ), no integrated EMI filter. | Suitable for cost-sensitive, non-automotive applications where RF immunity is not required. | Choose for legacy designs or lower-voltage systems where EMI robustness is secondary to unit cost. |
Compared with ADA4522-4ARUZ-R7, the ADA4522-4ARZ-R7 offers identical precision performance in a more manufacturable SOIC package with broader industry acceptance; versus AD8629ARZ, it adds 55 V operation, AEC-Q100 qualification, and 10+ dB higher EMI rejection - justifying use in safety-critical and high-noise environments.
Availability
ADA4522-4ARZ-R7 is available at Aetrix Electronics and suitable for high-precision shunt current sensing, automotive sensor front-ends, and PLC analog input modules requiring stable component supply across extended temperature and voltage ranges.
Supply support for ADA4522-4ARZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Wilmington, MA.
The ADA4522 family was designed specifically for ultra-precision, low-drift, EMI-hardened signal conditioning in industrial automation, automotive electrification, and energy infrastructure - prioritizing long-term DC accuracy and robustness over wide operating conditions.
FAQ
What is the maximum supply voltage rating for ADA4522-4ARZ-R7?
The ADA4522-4ARZ-R7 has an absolute maximum supply voltage of 60 V, with recommended operating range from 4.5 V to 55 V for single-supply use or ±2.25 V to ±27.5 V for dual-supply configurations. Exceeding 55 V during normal operation risks violating the specified electrical characteristics and may impact long-term reliability - always observe the 60 V absolute maximum limit per Table 5 of the datasheet.
Does ADA4522-4ARZ-R7 support true rail-to-rail input operation?
No, ADA4522-4ARZ-R7 does not support rail-to-rail input. Its input voltage range (IVR) extends from 0 V to (V+) − 1.5 V at 5 V supply, and up to (V+) − 1.5 V across all supply voltages - meaning it is ground-sensing but not rail-sensing. The input common-mode range excludes the positive rail by ~1.5 V, as confirmed in Tables 2–4 under IVR specification.
Is ADA4522-4ARZ-R7 pin-compatible with other devices in the ADA4522 family?
Yes, ADA4522-4ARZ-R7 shares identical pinout and footprint with all ADA4522-4 variants in 14-lead SOIC (R-14), including ADA4522-4ARZ and ADA4522-4BRZ. However, it is not pin-compatible with ADA4522-1 (8-pin) or ADA4522-2 (8-pin) due to differing channel count and pin assignments - always verify against Figure 5 and Table 9 for the quad configuration.
What is the typical output current capability of each amplifier in ADA4522-4ARZ-R7?
Each amplifier in ADA4522-4ARZ-R7 delivers a continuous output current of 14 mA (minimum) into loads where dropout voltage remains ≤1 V, as specified in Tables 2–4. Short-circuit current sink capability reaches 29–33 mA depending on supply voltage and temperature, while source capability is 21–22 mA - sufficient to drive 10 kΩ loads with full rail-to-rail swing and maintain stability with up to 50 pF capacitive load.
How does the EMI rejection performance of ADA4522-4ARZ-R7 compare across frequency bands?
ADA4522-4ARZ-R7 provides measured EMI rejection ratio (EMIRR) of 72 dB at 400 MHz, 80 dB at 900 MHz, 83 dB at 1.8 GHz, and 85 dB at 2.4 GHz - demonstrating increasing effectiveness at higher frequencies due to its integrated input RC filter topology. This performance is consistent across all four channels and validated per Figure 24 in the Rev I datasheet.
ADA4522-4ARZ-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Zero-Drift
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.7V/µs
- Gain Bandwidth Product:
- 2.7 MHz
- -3db Bandwidth:
- 6.5 MHz
- Current - Input Bias:
- 50 pA
- Voltage - Input Offset:
- 1.5 µV
- Current - Supply:
- 830µA (x4 Channels)
- Current - Output / Channel:
- 32 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 55 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
ADA4522-4ARZ-R7 FAQ
1.How can I place an order for ADA4522-4ARZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4522-4ARZ-R7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADA4522-4ARZ-R7 reliable?
The price and inventory of ADA4522-4ARZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4522-4ARZ-R7 is usually 5 days.
3.What payment methods are accepted for ADA4522-4ARZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4522-4ARZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4522-4ARZ-R7?
ADA4522-4ARZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4522-4ARZ-R7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADA4522-4ARZ-R7?
For technical support, including ADA4522-4ARZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4522-4ARZ-R7 requirements.
6.How does Aetrix verify that ADA4522-4ARZ-R7 is sourced from the original manufacturer or authorized distributors?
All ADA4522-4ARZ-R7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADA4522-4ARZ-R7 meets industry standards.
7.What is the process for return or replacement of ADA4522-4ARZ-R7?
All ADA4522-4ARZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADA4522-4ARZ-R7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADA4522-4ARZ-R7 part is unused and in its original packaging.
Return procedure for ADA4522-4ARZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADA4522-4ARZ-R7 Tags
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