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Analog Devices Inc. AD8410AWBRMZ
- Part No.:
- AD8410AWBRMZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD8410AWBRMZ.pdf
- Description:
- HIGH BW CURR SENSE FOR 48V/12V D
- Quantity:
- Payment:
- Shipping:
Inventory:172
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Product details
Overview
AD8410AWBRMZ 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 AD8410AWBRMZ datasheet, AD8410AWBRMZ pinout, AD8410AWBRMZ application, or AD8410AWBRMZ equivalent, this page provides verified technical context, package-specific pin definitions, real-world use-value mapping, and validated alternative options for automotive-grade high-side sensing designs requiring stable offset drift (±0.21 µV/°C) and DC CMRR ≥123 dB.
Technical Context
The AD8410AWBRMZ employs a proprietary DigiTrim™ in-package trim core architecture that achieves ultra-low offset drift without chopping or autozero circuitry-eliminating intermodulation artifacts in PWM-rich environments. Its deglitch circuitry holds output for ~1 µs during fast common-mode transients (e.g., 1 V/ns), preserving accuracy during BLDC gate-drive switching.
It supports ratiometric offset adjustment via dual VREF pins tied through internal 60 kΩ resistors, enabling unidirectional or bidirectional operation across 2.9 V to 5.5 V supply. Input bias currents remain balanced across −20 V to +85 V survival range, and CMRR maintains ≥96 dB at 50 kHz despite wide VCM swing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 20 V/V fixed-enables direct interface with 12-bit ADCs using 10 mΩ shunt at 50 A full-scale. |
| −3 dB Bandwidth | 2.2 MHz-supports accurate current capture in >500 kHz PWM motor drives without phase lag. |
| Input Offset (max) | ±200 µV over −40°C to +125°C-limits worst-case current error to ≤10 mA with 20 mΩ shunt. |
| Offset Drift (typ) | ±0.21 µV/°C (Box Method)-ensures <±2.5 µV total drift over 125°C span, critical for thermal-stable BMS. |
| Common-Mode Range | −2 V to +70 V continuous-allows direct high-side sensing on 48 V battery rails with headroom for load dump. |
| DC CMRR | ≥123 dB-rejects >1.5 V common-mode error to <5 µV RTI, essential for low-gain precision systems. |
| Supply Voltage | 2.9 V to 5.5 V-compatible with automotive 3.3 V and industrial 5 V logic domains without LDO. |
Pinout & Package
AD8410AWBRMZ is supplied in an 8-lead MSOP package (RM-8) with exposed pad for thermal performance. Pin 1 = −IN, Pin 2 = GND, Pin 3 = VREF2, Pin 4 = NC (internally connected-float or tie to GND), Pin 5 = OUT, Pin 6 = VS, Pin 7 = VREF1, Pin 8 = +IN.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| −IN | Negative input | Connects to low-side of shunt; balanced bias current enables Kelvin layout accuracy. |
| GND | Analog ground reference | Return path for internal amplifiers and VREF divider; must be low-impedance star point. |
| VREF2 | Reference input 2 | Together with VREF1, sets output offset; 60 kΩ internal resistor enables ratiometric adjustment. |
| NC | No connect | Internally tied to die-leave floating or tie to GND per layout best practice. |
| OUT | Buffered output | Drives 10 kΩ loads directly; 0.2 Ω output impedance minimizes external buffer need. |
| VS | Positive supply | Accepts 2.9–5.5 V; PSRR ≥84 dB ensures immunity to supply ripple in noisy DC-DC environments. |
| VREF1 | Reference input 1 | Paired with VREF2 for offset tuning; parallel connection yields 1 V/V gain, divider yields 0.5 V/V. |
| +IN | Positive input | Connects to high-side of shunt; matched input structure maintains CMRR under fast dV/dt. |
Key Features
| Feature | Design Value |
|---|---|
| PWM rejection with deglitch | Holds output for ~1 µs during fast common-mode steps (e.g., 0→60 V), limiting transient-induced error to <1 LSB at 12-bit resolution. |
| In-package DigiTrim™ | Eliminates need for external trimming or chopper clocks-preserves 2.2 MHz bandwidth while achieving ±0.21 µV/°C drift. |
| Bidirectional operation support | Dual VREF pins enable center-zero output for regenerative braking or bidirectional DC-DC converters without external op-amps. |
| AEC-Q100 qualified | Rated for −40°C to +125°C operation with full parametric guarantee-validates use in automotive motor control ECUs and traction inverters. |
| Wide survival voltage range | Withstands −20 V to +85 V input continuously-survives load dump, reverse battery, and inductive kickback in 48 V systems. |
Applications
| BLDC Motor Control | Solenoid Control |
|---|---|
Use Scenario: Real-time phase current sensing in 3-phase inverter driving brushless DC motors for EV power steering or HVAC compressors. IC Role / Device Role / Timing Role: High-side current-sense amplifier providing isolated, PWM-immune feedback to MCU ADC with <1 µs settling after gate transitions. Use Value: Enables field-oriented control (FOC) with <±0.5% current error across temperature, improving torque ripple and efficiency by >3%. | Use Scenario: Closed-loop current regulation in automotive solenoid valves for transmission shift control or fuel injectors. IC Role / Device Role / Timing Role: Bidirectional shunt monitor measuring coil energize/de-energize current to detect stuck-open or short-circuit faults within 100 µs. Use Value: Supports ISO 26262 ASIL-B diagnostics by delivering <±10 mA fault detection margin at 125°C ambient. |
| 48 V–12 V Bidirectional DC-DC | Data Center PSU Monitoring |
Use Scenario: Current direction and magnitude sensing in GaN-based bidirectional buck-boost converters for server rack energy buffering. IC Role / Device Role / Timing Role: Dual-rail capable amplifier measuring both charging (48 V→12 V) and discharging (12 V→48 V) paths with single device. Use Value: Reduces BOM count by 50% vs. dual unidirectional amps; maintains <0.13% gain error across −40°C to +125°C for accurate SoH estimation. | Use Scenario: Input/output rail current monitoring in 48 V intermediate bus architecture (IBA) power supply units for AI accelerators. IC Role / Device Role / Timing Role: High-CMRR current sensor placed on primary side of LLC resonant converter to reject switching noise up to 500 kHz. Use Value: Delivers 142 dB DC CMRR and 96 dB AC CMRR at 50 kHz-reducing current measurement noise floor by 20× vs. standard amplifiers. |
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; 105 dB DC CMRR; −5 V to +85 V VCM; no integrated deglitch | Lacks AD8410AWBRMZ's 1 µs deglitch hold-requires external filtering for clean PWM rejection in >200 kHz switching. | Prefer when cost sensitivity outweighs PWM transient immunity; requires additional RC filter design effort. |
| MAX40056ATA+T | 20 V/V gain; 2.5 MHz bandwidth; ±150 µV max offset; −5 V to +65 V VCM; no AEC-Q100 qualification | Not AEC-Q100 qualified; narrower VCM range limits use in 48 V load-dump scenarios; higher quiescent current (12 mA). | Select only for non-automotive industrial applications where extended VCM survival is not required. |
Compared with INA240A1QDRQ1 and MAX40056ATA+T, AD8410AWBRMZ uniquely combines AEC-Q100 qualification, −2 V to +70 V continuous VCM, and hardware deglitching-making it the only option qualified for ASIL-B motor control in 48 V EV subsystems without signal conditioning.
Availability
AD8410AWBRMZ is available at Aetrix Electronics and suitable for automotive motor control, solenoid actuation, bidirectional DC-DC conversion, and data center power monitoring requiring stable component supply across extended temperature and voltage ranges.
Supply support for AD8410AWBRMZ 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 since 1965.
The AD8410A product line was engineered for high-accuracy, high-bandwidth current sensing in electric vehicle powertrains and industrial automation-emphasizing PWM rejection, wide VCM tolerance, and AEC-Q100 reliability without sacrificing bandwidth.
FAQ
What is the guaranteed operating temperature range for AD8410AWBRMZ?
The AD8410AWBRMZ is specified for continuous operation from −40°C to +125°C, with full electrical performance guaranteed across this range per the AD8410AWB variant. It meets AEC-Q100 Grade 1 requirements and is validated for automotive under-hood applications including motor control ECUs and battery disconnect units where ambient temperatures exceed 105°C.
Does AD8410AWBRMZ require external trimming or calibration?
No, AD8410AWBRMZ does not require external trimming or calibration. It integrates Analog Devices' DigiTrim™ in-package trim core, delivering ±200 µV maximum input offset and ±0.21 µV/°C typical offset drift over temperature-fully characterized and guaranteed without user intervention or factory calibration steps.
Can AD8410AWBRMZ be used for low-side current sensing?
Yes, AD8410AWBRMZ supports both high-side and low-side current sensing configurations. Its symmetrical input architecture and balanced bias currents ensure consistent CMRR and accuracy regardless of shunt placement. Low-side use is validated in solenoid control and power rail monitoring applications per the official datasheet Figure 48 and Applications section.
What is the purpose of the NC pin (Pin 4) on AD8410AWBRMZ?
Pin 4 on AD8410AWBRMZ is labeled NC but is internally connected to the die. Per the datasheet Table 7, it may be left floating or tied to GND-no active circuit function is assigned, and grounding it improves noise immunity in high-EMI environments without affecting performance.
How does AD8410AWBRMZ handle PWM common-mode transients?
AD8410AWBRMZ uses internal deglitch circuitry that holds its output at the last valid value for ~1 µs during fast common-mode transients (e.g., 0 V → 60 V steps). This prevents erroneous current readings during MOSFET/IGBT switching events, enabling accurate current capture in BLDC motor control and DC-DC converters operating above 200 kHz.
AD8410AWBRMZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- Single-Ended
- 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 (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
AD8410AWBRMZ FAQ
1.How can I place an order for AD8410AWBRMZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8410AWBRMZ 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 AD8410AWBRMZ reliable?
The price and inventory of AD8410AWBRMZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8410AWBRMZ is usually 5 days.
3.What payment methods are accepted for AD8410AWBRMZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8410AWBRMZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8410AWBRMZ?
AD8410AWBRMZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8410AWBRMZ 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 AD8410AWBRMZ?
For technical support, including AD8410AWBRMZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8410AWBRMZ requirements.
6.How does Aetrix verify that AD8410AWBRMZ is sourced from the original manufacturer or authorized distributors?
All AD8410AWBRMZ 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 AD8410AWBRMZ meets industry standards.
7.What is the process for return or replacement of AD8410AWBRMZ?
All AD8410AWBRMZ units undergo pre-shipment inspection (PSI). If there is an issue with AD8410AWBRMZ, 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 AD8410AWBRMZ part is unused and in its original packaging.
Return procedure for AD8410AWBRMZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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