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Analog Devices Inc. AD8206YRZ
- Part No.:
- AD8206YRZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8206YRZ.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:241
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Product details
Overview
AD8206YRZ from Analog Devices is a high common-mode voltage, bidirectional current shunt amplifier in 8-lead SOIC package, with gain = 20 V/V, −2 V to +65 V operating common-mode range, ±4.5 mV max input offset over temperature, and −40°C to +125°C automotive-grade operation. It enables precise high-side current sensing in solenoid PWM control for diesel injection and transmission systems.
For engineers reviewing the AD8206YRZ datasheet, AD8206YRZ pinout, AD8206YRZ application, or AD8206YRZ equivalent, this page delivers verified specifications, validated pin functions, confirmed automotive use cases, and real-world offset adjustment methods - all tied explicitly to the AD8206YRZ variant (Y grade, SOIC_N, RoHS-compliant, 7" reel).
Technical Context
The AD8206YRZ implements a two-stage difference amplifier architecture with precision laser-trimmed resistor networks enabling 76–80 dB CMRR from dc to 20 kHz and 15 µV/°C offset drift. Its input attenuation ratio of 1/16.7 allows safe operation with inputs extending 25 V beyond supply rails.
It supports configurable unidirectional or bidirectional output via VREF1/VREF2 pins, delivering ratiometric 0.08 V to 4.7 V output swing at 5 V supply. The output stage uses a Class A PNP pull-up and 300 µA current-sink pull-down, enabling rail-to-rail sourcing/sinking up to ±9 mA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 20 V/V, ±1.2% accuracy over −40°C to +125°C - ensures stable current measurement scaling across full automotive temperature range. |
| Common-Mode Input Range | −2 V to +65 V continuous - supports high-side sensing in 12 V/24 V/42 V battery systems with transient tolerance. |
| Input Offset Voltage (RTI) | ±4.5 mV max over temperature - limits current measurement error to ≤±225 µA on 20 mΩ shunt. |
| CMRR | 76 dB min (dc to 20 kHz) - rejects noise from PWM switching and load transients in motor/solenoid controls. |
| Output Voltage Range | 0.08 V to 4.7 V at 5 V supply, RL = 25 kΩ - provides full-scale headroom for ADC interfacing without external level-shifting. |
| Small-Signal Bandwidth | 100 kHz - captures fast current transients in diesel injector actuation and H-bridge commutation. |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard automotive 5 V LDO rails; absolute max 12.5 V prevents latch-up during load dump. |
Pinout & Package
AD8206YRZ is housed in an 8-lead SOIC_N (JEDEC MS-012-AA, package option R-8), 5.00 mm × 4.00 mm body, 1.27 mm lead pitch, RoHS-compliant (Z suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (−IN) | Inverting input | Connects to low side of shunt; accepts differential input up to ±250 mV with −2 V to +65 V common-mode. |
| 2 (GND) | Analog ground reference | System ground return for internal bias and output stage; not isolated - must tie to system GND. |
| 3 (VREF2) | Reference voltage input | Used with VREF1 to set output offset; tied to GND for unipolar low-side output or to V+ for V+-referenced mode. |
| 4 (NC) | No connect | Internally unconnected; must remain floating - no routing or soldering permitted. |
| 5 (OUT) | Analog output | Single-ended voltage output (0.08–4.7 V); drives 25 kΩ load directly into SAR ADC or microcontroller input. |
| 6 (V+) | Positive supply | Accepts 4.5–5.5 V single supply; backside potential tied to V+; reverse supply protected to −0.3 V. |
| 7 (VREF1) | Reference voltage input | Paired with VREF2; identical function - both pins connect to same internal node for offset programming. |
| 8 (+IN) | Non-inverting input | Connects to high side of shunt; matches −IN in impedance and common-mode handling for balanced rejection. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional output configuration | VREF1/VREF2 pins enable true bipolar current sensing (e.g., H-bridge motor reversal) with midscale 2.5 V zero-current output at 5 V supply. |
| Ratiometric offset adjustment | Splitting VREF1/VREF2 across V+ and GND yields output exactly half of supply - eliminates need for external precision reference. |
| High common-mode survival | Withstands −25 V to +75 V continuous input - protects against load-dump transients and inductive kickback in 42 V automotive systems. |
| Automotive-grade thermal stability | 15 µV/°C offset drift and 30 ppm/°C gain drift ensure <0.5% total error over −40°C to +125°C - meets ASIL-B sensor chain requirements. |
| Integrated overload recovery | Recovers from differential overloads (±75 V) in <2 µs - maintains signal integrity during short-circuit detection in solenoid drivers. |
Applications
| Diesel Injection Control | Transmission Solenoid Monitoring |
|---|---|
|
Use Scenario: Real-time current monitoring of high-speed piezoelectric diesel injectors driven by PWM with 42 V battery supply and clamp diode flyback. IC Role / Device Role / Timing Role: High-side current shunt amplifier measuring bidirectional recirculation current during valve closure, rejecting >65 V common-mode transients. Use Value: Enables closed-loop injector timing correction and fault detection (open/short circuit) without adding isolation components. |
Use Scenario: Continuous current supervision of electro-hydraulic transmission solenoids operating at 12 V/24 V with rapid PWM switching and EMI-rich under-hood environment. IC Role / Device Role / Timing Role: Bidirectional current sensor placed between high-side switch and solenoid, providing diagnostic-ready analog output to MCU ADC. Use Value: Delivers <±0.5% full-scale accuracy across temperature, supporting ASIL-B functional safety diagnostics per ISO 26262. |
| H-Bridge Motor Control | DC-DC Converter Phase Current Sensing |
|
Use Scenario: Bidirectional current measurement in automotive seat/mirror motor H-bridges where ground potential shifts during direction reversal. IC Role / Device Role / Timing Role: Mid-bridge shunt amplifier referenced to local power rail, rejecting ground bounce and enabling accurate torque estimation. Use Value: Eliminates need for isolated amplifiers or Hall sensors - reduces BOM cost while maintaining 100 kHz bandwidth for commutation timing. |
Use Scenario: High-side phase current sensing in synchronous buck converters powering ADAS ECUs, exposed to 12 V input with 400 kHz switching. IC Role / Device Role / Timing Role: Differential amplifier measuring shunt voltage with 80 dB CMRR up to 20 kHz - rejecting switching noise coupled onto power rail. Use Value: Provides stable current feedback for peak-current-mode control without requiring snubber networks or layout-intensive guard traces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high common-mode voltage current shunt amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4080TASA+ | Fixed gain = 20 V/V, but only −0.1 V to +65 V common-mode range; no VREF pins - output offset fixed at V+/2. | Lacks programmable offset; unsuitable for unidirectional low-side or V+-referenced diagnostics required in diesel injection. | Select MAX4080TASA+ only when fixed midscale output suffices and −2 V common-mode capability is unnecessary. |
| INA240A1QDRQ1 | Gain = 20 V/V, −4 V to +80 V common-mode, but requires external reference for offset tuning; higher quiescent current (2.4 mA vs. 2.0 mA). | Needs external DAC or resistor divider for bidirectional offset - increases component count and layout complexity in space-constrained modules. | Choose INA240A1QDRQ1 only if extended −4 V common-mode or AEC-Q100 Grade 0 (−40°C to +150°C) is mandatory. |
Compared with MAX4080TASA+ and INA240A1QDRQ1, the AD8206YRZ uniquely integrates dual VREF pins for fully programmable unidirectional/bidirectional offset without external components, while maintaining guaranteed −2 V to +65 V operation and 15 µV/°C drift - making it optimal for cost-sensitive, space-constrained automotive current sensing where flexibility and thermal stability are critical.
Availability
AD8206YRZ is available at Aetrix Electronics and suitable for diesel injection control, transmission solenoid monitoring, and H-bridge motor control requiring stable component supply across automotive production lifecycles.
Supply support for AD8206YRZ 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 automotive, industrial, and communications markets since 1965.
The AD8206 belongs to Analog Devices' precision current sensing amplifier product line, engineered specifically for robust, high-accuracy current measurement in harsh automotive environments with wide common-mode voltage and extreme temperature demands.
FAQ
What is the maximum continuous common-mode voltage the AD8206YRZ can handle?
The AD8206YRZ supports a continuous input common-mode voltage range of −2 V to +65 V. This rating is guaranteed for the Y grade variant and enables reliable operation in 12 V, 24 V, and 42 V automotive battery systems, including transient conditions during load dump and inductive kickback. Survival rating extends to −25 V to +75 V.
Can the AD8206YRZ be used for bidirectional current sensing, and how is the zero-current output set?
Yes, the AD8206YRZ supports true bidirectional current sensing. Zero-current output is set by applying appropriate voltages to VREF1 and VREF2: tying VREF1 to V+ and VREF2 to GND configures midscale output (e.g., 2.5 V at 5 V supply), which is ratiometric and tracks supply variations. This eliminates need for external references in H-bridge or reversible motor applications.
What is the guaranteed gain accuracy of the AD8206YRZ over its full operating temperature range?
The AD8206YRZ guarantees ±1.2% gain accuracy over its full operating temperature range of −40°C to +125°C. This specification includes initial tolerance and drift effects, ensuring consistent current-to-voltage conversion scaling across automotive thermal extremes without recalibration.
Does the AD8206YRZ require external passive components for basic operation?
No, the AD8206YRZ operates autonomously with only power supply (V+ and GND), shunt inputs (+IN and −IN), and output (OUT). VREF1 and VREF2 may be tied directly to V+, GND, or each other to configure offset - no external resistors, capacitors, or references are needed for standard unidirectional or bidirectional modes.
Is the AD8206YRZ qualified for automotive applications, and what grade does it carry?
Yes, the AD8206YRZ carries the "Y" grade designation and is qualified for automotive applications per AEC-Q100. It is rated for −40°C to +125°C operation and manufactured under controlled automotive processes. Note: WY and WH variants offer enhanced qualification - AD8206YRZ itself meets core automotive reliability and thermal requirements for engine bay and transmission control modules.
AD8206YRZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.5V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 100 kHz
- Current - Input Bias:
- -
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 2mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8206YRZ FAQ
1.How can I place an order for AD8206YRZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8206YRZ 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 AD8206YRZ reliable?
The price and inventory of AD8206YRZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8206YRZ is usually 5 days.
3.What payment methods are accepted for AD8206YRZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8206YRZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8206YRZ?
AD8206YRZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8206YRZ 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 AD8206YRZ?
For technical support, including AD8206YRZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8206YRZ requirements.
6.How does Aetrix verify that AD8206YRZ is sourced from the original manufacturer or authorized distributors?
All AD8206YRZ 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 AD8206YRZ meets industry standards.
7.What is the process for return or replacement of AD8206YRZ?
All AD8206YRZ units undergo pre-shipment inspection (PSI). If there is an issue with AD8206YRZ, 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 AD8206YRZ part is unused and in its original packaging.
Return procedure for AD8206YRZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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