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Analog Devices Inc. AD8410AWBRZ-RL
- Part No.:
- AD8410AWBRZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8410AWBRZ-RL.pdf
- Description:
- HIGH BW CURR SENSE FOR 48V/12V D
- Quantity:
- Payment:
- Shipping:
Inventory:1,665
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Product details
Overview
AD8410AWBRZ-RL from Analog Devices is a high-voltage, high-bandwidth current-sense amplifier designed for precision bidirectional shunt-based current measurement in harsh common-mode environments. It delivers 20 V/V fixed gain, 2.2 MHz −3 dB bandwidth, ±200 µV max input offset over temperature, −2 V to +70 V continuous common-mode input range, and PWM rejection for motor control and DC-DC converter applications.
For engineers reviewing the AD8410AWBRZ-RL datasheet, AD8410AWBRZ-RL pinout, AD8410AWBRZ-RL application, or AD8410AWBRZ-RL equivalent, key selection criteria include its AEC-Q100 qualification, DigiTrim™ in-package trimming for ±0.21 µV/°C typical offset drift, 142 dB typical DC CMRR, 2.9 V to 5.5 V supply operation, and SOIC_N-8 package compatibility with industrial and automotive power systems.
Technical Context
The AD8410AWBRZ-RL employs a proprietary architecture with internal deglitch circuitry that holds output for ~1 µs during fast common-mode transients (e.g., 1 V/ns PWM edges), minimizing amplitude disturbance and settling time degradation. Its DigiTrim™ in-package trim core enables precision without chopping or autozero clocks-eliminating intermodulation risk while maintaining full 2.2 MHz bandwidth.
It features balanced input bias currents across −2 V to +70 V common-mode voltage and supports ratiometric offset adjustment via VREF1/VREF2 pins tied through 60 kΩ resistors, enabling unidirectional or bidirectional operation with output referenced to GND, VS, or external 2.5 V sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 20 V/V fixed-enables direct scaling of mV-level shunt voltage to measurable output without external gain stages. |
| Small-signal bandwidth | 2.2 MHz −3 dB-supports accurate current sensing in high-frequency BLDC motor commutation and 100 kHz+ DC-DC switching. |
| Input offset voltage (max) | ±200 µV over −40°C to +125°C-ensures ≤10 mA error at 50 mΩ shunt, critical for low-current fault detection. |
| CMRR (DC) | 123 dB min (142 dB typ)-rejects >1.5 MV/V common-mode interference, essential for high-side sensing in noisy 48 V rail systems. |
| Common-mode input range | −2 V to +70 V continuous-allows direct connection to high-side shunts in 12 V–48 V battery systems without level-shifting. |
| Supply voltage range | 2.9 V to 5.5 V-compatible with standard 3.3 V and 5 V logic rails and isolated DC-DC bias supplies. |
| Offset drift (typ) | ±0.21 µV/°C (Box Method)-guarantees stable zero-current baseline across automotive under-hood thermal cycling. |
Pinout & Package
AD8410AWBRZ-RL is housed in an 8-lead SOIC_N (R-8) package with exposed pad for thermal performance. Pin 1 is −IN; Pin 2 is GND; Pin 3 is VREF2; Pin 4 is NC (internally connected, may float or tie to GND); Pin 5 is OUT; Pin 6 is VS; Pin 7 is VREF1; Pin 8 is +IN.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (−IN) | Negative input | Connects to low-side of shunt resistor; differential input node with matched bias current for CMRR optimization. |
| 2 (GND) | Ground reference | System ground return for supply and reference paths; must be low-impedance to minimize noise coupling. |
| 3 (VREF2) | Reference input 2 | Together with VREF1, sets output offset; tied to GND for ground-referenced unidirectional mode. |
| 4 (NC) | No connect | Internally connected to die; left floating or tied to GND per layout best practice-no signal function. |
| 5 (OUT) | Amplified output | Buffered 20× shunt voltage; drives ADC inputs or comparator thresholds directly with <0.2 Ω output impedance. |
| 6 (VS) | Positive supply | 2.9 V–5.5 V analog supply; decoupling capacitor required within 1 cm for PWM rejection integrity. |
| 7 (VREF1) | Reference input 1 | Paired with VREF2 for ratiometric offset adjustment; tied to VS for high-side diagnostic pre-power-up detection. |
| 8 (+IN) | Positive input | Connects to high-side of shunt resistor; symmetric layout with −IN ensures optimal CMRR and thermal tracking. |
Key Features
| Feature | Design Value |
|---|---|
| In-package DigiTrim™ core | Enables ±0.21 µV/°C typical offset drift without chopping clocks-preserves bandwidth and avoids intermodulation in PWM-rich environments. |
| PWM rejection with deglitch | Holds output for ~1 µs during fast common-mode steps (e.g., 1 V/ns), limiting transient-induced output disturbance to <10 mV in motor gate-drive applications. |
| Bidirectional current sensing | Supports both +IN > −IN and −IN > +IN configurations-enables regenerative braking monitoring and dual-quadrant DC-DC converter control. |
| AEC-Q100 qualified | Rated for −40°C to +125°C operation with validated reliability-meets automotive subsystem requirements for solenoid drivers and EPS modules. |
| Ratiometric VREF interface | VREF1/VREF2 pins accept supply-divided or external 2.5 V references-allows flexible output centering for 12-bit ADCs without external op-amps. |
Applications
| Motor Control | Solenoid Control |
|---|---|
Use Scenario: Real-time phase current measurement in 3-phase BLDC motors for field-oriented control (FOC) and overcurrent protection. IC Role / Device Role / Timing Role: High-side current-sense amplifier interfacing directly to shunt resistors placed between motor phases and 48 V bus. Use Value: 2.2 MHz bandwidth captures rapid current transients during commutation; −2 V to +70 V input range eliminates need for level shifters in high-side configuration. | Use Scenario: Closed-loop current regulation in automotive fuel injectors and transmission solenoids powered from 12 V battery rails. IC Role / Device Role / Timing Role: Bidirectional shunt monitor providing real-time current feedback to microcontroller PWM outputs. Use Value: ±200 µV max offset ensures <1% full-scale error at 1 A with 100 mΩ shunt; AEC-Q100 qualification guarantees operation under engine-bay thermal stress. |
| DC-DC Converters | Power Rail Monitoring |
Use Scenario: Input/output current sensing in bidirectional 48 V ↔ 12 V buck-boost converters for vehicle electrification architectures. IC Role / Device Role / Timing Role: Precision current-sense amplifier on high-side and low-side shunts, rejecting switching noise up to 50 kHz. Use Value: 96 dB AC CMRR at 50 kHz suppresses switching artifacts; 2.9 V–5.5 V supply range matches controller IC logic rails. | Use Scenario: Continuous current monitoring of server PSU 12 V and 48 V distribution rails in data centers. IC Role / Device Role / Timing Role: High-accuracy, low-drift current sensor feeding telemetry to BMC or PMBus controllers. Use Value: ±0.21 µV/°C drift maintains calibration stability across 0°C–70°C ambient; SOIC_N-8 package supports automated optical inspection in high-volume assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA240A1QDRQ1 | 20 V/V gain, 4 V/V step options; 800 kHz bandwidth; ±100 µV max offset; 2.7 V–5.5 V supply. | Lower bandwidth limits use in >20 kHz switching; higher CMRR drift vs. temperature. | Preferred where cost sensitivity outweighs bandwidth needs and AEC-Q100 is sufficient without extended temp range. |
| MAX40056ATA+T | 20 V/V gain; 1.5 MHz bandwidth; ±150 µV max offset; −5 V to +65 V input range; 3.3 V–5.5 V supply. | Narrower common-mode range excludes −2 V operation; no integrated deglitch for PWM rejection. | Valid for 12 V–48 V systems without sub-zero common-mode requirements; requires external filtering for PWM-rich waveforms. |
Compared with INA240A1QDRQ1 and MAX40056ATA+T, AD8410AWBRZ-RL offers superior 2.2 MHz bandwidth for high-speed motor control, guaranteed −2 V to +70 V operation for cold-cranking robustness, and patented deglitch architecture for clean PWM rejection-making it the preferred choice for demanding automotive and industrial power conversion designs.
Availability
AD8410AWBRZ-RL is available at Aetrix Electronics and suitable for motor control, solenoid actuation, bidirectional DC-DC conversion, and power rail monitoring requiring stable component supply across automotive, industrial, and data center applications.
Supply support for AD8410AWBRZ-RL 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The AD8410A product line delivers high-voltage, high-bandwidth current-sense amplifiers optimized for precision shunt-based measurement in electric powertrains, battery management, and high-efficiency power conversion systems.
FAQ
What is the operating temperature range specified for AD8410AWBRZ-RL?
The AD8410AWBRZ-RL is rated for −40°C to +125°C operation, matching the AD8410AWB grade. This range is fully characterized for all electrical specifications including gain error (≤0.13%), offset voltage (±200 µV max), and CMRR (≥123 dB). It supports deployment in under-hood automotive locations and industrial enclosures without derating.
Does AD8410AWBRZ-RL support bidirectional current sensing?
Yes, AD8410AWBRZ-RL supports true bidirectional current sensing. Its symmetrical input architecture allows differential input voltages of either polarity (−IN > +IN or +IN > −IN), and its ratiometric VREF1/VREF2 interface enables output centering at mid-supply for bipolar current representation-essential for regenerative braking and bidirectional DC-DC converters.
What package type is used for AD8410AWBRZ-RL?
AD8410AWBRZ-RL uses the 8-lead SOIC_N (R-8) package, measuring 4.9 mm × 3.9 mm × 1.75 mm with standard 1.27 mm lead pitch. This RoHS-compliant package features an exposed pad for enhanced thermal dissipation and is compatible with standard reflow profiles and automated optical inspection systems.
How does AD8410AWBRZ-RL handle PWM common-mode interference?
AD8410AWBRZ-RL incorporates dedicated deglitch circuitry that holds its output steady for ~1 µs during fast common-mode transients (e.g., 1 V/ns edges), then settles to the correct value based on shunt differential voltage. This prevents false overcurrent triggers in motor gate drivers and ensures clean sampling during PWM blanking periods-verified in Figure 10 and Figure 11 of the datasheet.
Is AD8410AWBRZ-RL AEC-Q100 qualified?
Yes, AD8410AWBRZ-RL is AEC-Q100 qualified for automotive applications. It meets Grade 1 requirements (−40°C to +125°C) and has undergone stress testing for HTOL, TCT, ESD, and other automotive reliability standards-documented in the AD8410A datasheet Rev D, Section "Applications" and "Ordering Guide".
AD8410AWBRZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 10V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 2.2 MHz
- Current - Input Bias:
- 178 µA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 7.8mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.9 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8410AWBRZ-RL FAQ
1.How can I place an order for AD8410AWBRZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8410AWBRZ-RL 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 AD8410AWBRZ-RL reliable?
The price and inventory of AD8410AWBRZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8410AWBRZ-RL is usually 5 days.
3.What payment methods are accepted for AD8410AWBRZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8410AWBRZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8410AWBRZ-RL?
AD8410AWBRZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8410AWBRZ-RL 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 AD8410AWBRZ-RL?
For technical support, including AD8410AWBRZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8410AWBRZ-RL requirements.
6.How does Aetrix verify that AD8410AWBRZ-RL is sourced from the original manufacturer or authorized distributors?
All AD8410AWBRZ-RL 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 AD8410AWBRZ-RL meets industry standards.
7.What is the process for return or replacement of AD8410AWBRZ-RL?
All AD8410AWBRZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with AD8410AWBRZ-RL, 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 AD8410AWBRZ-RL part is unused and in its original packaging.
Return procedure for AD8410AWBRZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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