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Analog Devices Inc. AD8211YRJZ-RL7
- Part No.:
- AD8211YRJZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Current Regulation/Management
- Package:
- SC-74A, SOT-753
- Datasheet:
-
AD8211YRJZ-RL7.pdf
- Description:
- IC CURRENT MONITOR 0.25% SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:16,862
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Product details
Overview
AD8211YRJZ-RL7 from Analog Devices is a high-voltage, unidirectional current shunt monitor IC with fixed 20 V/V gain, ±0.35% total gain error over −40°C to +125°C, −2 V to +65 V common-mode input range, and buffered rail-to-rail output. It performs precision high-side current sensing in automotive motor controls, engine management, and DC-to-dc converters using a 5-lead SOT-23 package.
For engineers reviewing the AD8211YRJZ-RL7 datasheet, AD8211YRJZ-RL7 pinout, AD8211YRJZ-RL7 application, or AD8211YRJZ-RL7 equivalent, key selection criteria include common-mode voltage tolerance, gain accuracy over temperature, offset drift (5 µV/°C), CMRR (120 dB at dc), and compatibility with 5 V supply systems requiring robust ESD protection (±4000 V HBM).
Technical Context
The AD8211YRJZ-RL7 employs a proprietary high-side current sensing architecture with precision-trimmed internal resistors ensuring 0.01% matching and stable 20 V/V gain. Its input stage maintains linearity across 0 mV to 250 mV differential input voltage regardless of common-mode voltage from −2 V to +65 V.
It delivers buffered output directly interfacing with ADCs, features 500 kHz small-signal bandwidth and 4.5 V/µs slew rate, and operates with 4.5 V to 5.5 V supply while consuming only 1.2 mA to 2.0 mA quiescent current depending on common-mode voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 20 V/V fixed, ±0.35% max error over full temperature range - enables direct scaling of shunt voltage without external gain calibration |
| Common-Mode Input Range | −2 V to +65 V - supports high-side sensing in 12 V/24 V/42 V automotive and industrial power rails |
| Input Offset Voltage (RTI) | ±2.2 mV max over temperature - ensures ≤110 µA error at 250 mV full-scale shunt drop |
| CMRR | 120 dB typical at dc (VCM > 5 V) - rejects battery ripple and switching noise in motor drive applications |
| Bandwidth | 500 kHz - captures fast current transients in PWM-controlled solenoids and inverters |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5 V logic and ADC reference domains |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive and industrial embedded environments |
Pinout & Package
AD8211YRJZ-RL7 is housed in a RoHS-compliant 5-lead SOT-23 (RJ-5) package, 2.90 mm × 1.60 mm × 1.15 mm, with gull-wing leads and JEDEC MO-178-AA compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Buffered output | Low-impedance (2 Ω), rail-to-rail voltage output referenced to GND; interfaces directly with SAR or sigma-delta ADC inputs |
| 2 - GND | Analog ground | Reference node for output and internal circuitry; must be connected to system analog ground plane with low-inductance path |
| 3 - VIN+ | Noninverting input | High-impedance node (5 kΩ differential, 5 MΩ common-mode) connected to shunt resistor high side |
| 4 - VIN− | Inverting input | High-impedance node connected to shunt resistor low side; forms differential sense pair with VIN+ |
| 5 - V+ | Positive supply | Accepts 4.5 V to 5.5 V; powers internal amplifier and output buffer; PSRR = 76 dB suppresses supply noise |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | Qualified per AEC-Q100 Grade 0 (−40°C to +125°C), supporting engine control unit (ECU) and transmission control module (TCM) deployments |
| ESD robustness | ±4000 V HBM - withstands assembly handling and in-system electrostatic events in vehicle manufacturing |
| Output linearity guarantee | Maintains <1% total output error across 0–250 mV input differential at any common-mode voltage from −2 V to +65 V |
| Offset drift control | 5 µV/°C typical - limits offset-induced current measurement drift to <0.25 mA/°C for 50 mΩ shunt |
| Input protection | Withstands −3 V to +68 V continuous input voltage - survives load dump and reverse-battery conditions in automotive systems |
Applications
| Motor Control Systems | Engine Management Units |
|---|---|
|
Use Scenario: Real-time phase current monitoring in 3-phase BLDC motor drives with high-side PWM switching. IC Role / Device Role / Timing Role: High-side current shunt monitor providing isolated, ground-referenced analog feedback to MCU ADC. Use Value: Enables precise torque control and overcurrent protection with 500 kHz bandwidth capturing PWM edge transients. |
Use Scenario: Fuel injector solenoid current profiling during cold-start and transient acceleration events. IC Role / Device Role / Timing Role: Unidirectional current sensor measuring peak and hold current in high-side switched injectors. Use Value: Delivers ±0.35% gain accuracy and <2.2 mV offset drift to ensure consistent fuel metering across temperature extremes. |
| DC-to-DC Converters | Vehicle Dynamic Controls |
|
Use Scenario: Output current sensing in 48 V–12 V bidirectional buck-boost converters for mild hybrid architectures. IC Role / Device Role / Timing Role: High-common-mode current monitor placed on high-side of synchronous rectifier MOSFETs. Use Value: −2 V to +65 V input range accommodates converter's wide bus voltage swing while maintaining 120 dB CMRR against switching noise. |
Use Scenario: Active suspension actuator coil current regulation during road disturbance compensation. IC Role / Device Role / Timing Role: Precision current feedback element in closed-loop current control loop for electromagnetic dampers. Use Value: 5 µV/°C offset drift and −13 ppm/°C gain drift ensure stable force output calibration over chassis temperature gradients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side current sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4080TASA+ | 20 V/V gain, 2.7 V–76 V supply, 100 kHz bandwidth, 1.5 µV/°C offset drift | Limited to 100 kHz bandwidth; lower CMRR (100 dB) at high frequencies | Better drift performance but insufficient bandwidth for fast PWM motor control loops |
| INA240A1QDRQ1 | 20 V/V gain, −4 V to 80 V common-mode, 400 kHz bandwidth, 2.5 µV/°C drift | Automotive-grade (AEC-Q100), wider common-mode range, but higher quiescent current (2.4 mA) | Valid alternative for 80 V systems; requires layout review due to different pinout and thermal pad |
Compared with MAX4080TASA+ and INA240A1QDRQ1, the AD8211YRJZ-RL7 offers superior bandwidth (500 kHz vs. 100/400 kHz) and proven linearity at low differential voltages (<10 mV), making it optimal for high-fidelity current reconstruction in safety-critical automotive actuators.
Availability
AD8211YRJZ-RL7 is available at Aetrix Electronics and suitable for automotive motor controls, engine management units, and DC-to-dc converters requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for AD8211YRJZ-RL7 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 Norwood, MA, with design centers and manufacturing facilities worldwide.
The AD8211 belongs to Analog Devices' precision current sensing amplifier product line, engineered specifically for high-reliability, high-common-mode automotive and industrial current monitoring where accuracy, temperature stability, and ESD robustness are critical.
FAQ
What is the maximum common-mode voltage the AD8211YRJZ-RL7 can handle continuously?
The AD8211YRJZ-RL7 supports a continuous input voltage range of −3 V to +68 V, with specified common-mode operation from −2 V to +65 V. This allows reliable high-side sensing in 42 V automotive systems and industrial 60 V rails. The device survives transient overvoltage events beyond this range, as confirmed by absolute maximum ratings in the official datasheet Rev. C.
Does the AD8211YRJZ-RL7 require external gain-setting resistors?
No, the AD8211YRJZ-RL7 has an internally fixed gain of 20 V/V achieved via laser-trimmed thin-film resistors matched to within 0.01%. This eliminates external components, reduces PCB area, and ensures ±0.35% total gain error over −40°C to +125°C - a key advantage over programmable current sense amplifiers requiring precision external resistors.
Can the AD8211YRJZ-RL7 be used for low-side current sensing?
Yes, the AD8211YRJZ-RL7 supports low-side configurations. Its high CMRR (>90 dB at dc for VCM < 5 V) and guaranteed linearity down to 0 mV differential input enable accurate ground-referenced shunt measurements. However, its primary design focus and optimized performance (e.g., 120 dB CMRR) are specified for high-side use with VCM > 5 V.
What is the output voltage range of the AD8211YRJZ-RL7 when powered from 5 V?
When supplied with 5 V, the AD8211YRJZ-RL7 delivers an output voltage range of 0.1 V to 4.95 V over temperature (−40°C to +125°C). This rail-to-rail capability ensures full utilization of a 5 V ADC's input range, with 100 mV headroom at the low end and 50 mV at the high end for noise margin and reference stability.
Is the AD8211YRJZ-RL7 pin-compatible with other members of the AD8211 family?
Yes, all AD8211 variants - including AD8211YRJZ-R2, AD8211YRJZ-RL, and AD8211YRJZ-RL7 - share identical 5-lead SOT-23 (RJ-5) packaging and pinout. The suffix differences indicate tape-and-reel quantity (R2 = 250 pcs, RL = 2500 pcs, RL7 = 750 pcs) and RoHS compliance (Z), not functional or mechanical variation.
AD8211YRJZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Current Monitor
- Sensing Method:
- High/Low-Side
- Accuracy:
- ±0.25%
- Voltage - Input:
- -2V ~ 65V
- Current - Output:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
AD8211YRJZ-RL7 FAQ
1.How can I place an order for AD8211YRJZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8211YRJZ-RL7 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 AD8211YRJZ-RL7 reliable?
The price and inventory of AD8211YRJZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8211YRJZ-RL7 is usually 5 days.
3.What payment methods are accepted for AD8211YRJZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8211YRJZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8211YRJZ-RL7?
AD8211YRJZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8211YRJZ-RL7 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 AD8211YRJZ-RL7?
For technical support, including AD8211YRJZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8211YRJZ-RL7 requirements.
6.How does Aetrix verify that AD8211YRJZ-RL7 is sourced from the original manufacturer or authorized distributors?
All AD8211YRJZ-RL7 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 AD8211YRJZ-RL7 meets industry standards.
7.What is the process for return or replacement of AD8211YRJZ-RL7?
All AD8211YRJZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8211YRJZ-RL7, 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 AD8211YRJZ-RL7 part is unused and in its original packaging.
Return procedure for AD8211YRJZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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