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Analog Devices Inc. AD8216YRZ
- Part No.:
- AD8216YRZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8216YRZ.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:11,789
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Product details
Overview
AD8216YRZ from Analog Devices is a high-bandwidth, bidirectional difference amplifier optimized for high-side current sensing in automotive and industrial power systems. It delivers 3 MHz bandwidth, 3 V/V fixed gain, and operates across −4 V to +65 V common-mode input range with ±100 ns propagation delay. Used in diesel-injection controls and H-bridge motor drives, it enables accurate shunt-based current measurement under rapidly switching conditions.
For engineers reviewing the AD8216YRZ datasheet, AD8216YRZ pinout, AD8216YRZ application, or AD8216YRZ equivalent, key selection criteria include its adjustable output offset (0.06 V to 4.9 V), ±4000 V HBM ESD rating, −40°C to +125°C automotive-grade temperature range, and SOIC_N package compatibility with high-voltage transient environments.
Technical Context
The AD8216YRZ implements a precision resistor network with laser-trimmed ratios (<0.01% matching) feeding a 54 V/V internal amplifier to achieve 3 V/V system gain. Its input attenuators enable operation with common-mode voltages up to +65 V while keeping internal nodes within supply rails.
Offset adjustment is implemented via dual reference pins (VREF1/VREF2) that connect to an internal bias node-allowing unidirectional (ground- or V+-referenced), bidirectional (midscale), or externally referenced output configurations without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 3 V/V fixed, enabling direct scaling of shunt voltage to 0–5 V ADC input range |
| Common-Mode Range | −4 V to +65 V continuous, supporting battery-supplied high-side sensing in 42 V automotive systems |
| Bandwidth | 3 MHz, sufficient to capture fast PWM edge transients in motor control and solenoid drive |
| Propagation Delay | 100–150 ns, ensuring real-time current feedback for closed-loop protection circuits |
| Offset Drift | ±10 µV/°C max, limiting thermal error to <1.5 mV over full −40°C to +125°C operating range |
| CMRR | 80–90 dB (dc–20 kHz), rejecting noise from noisy power rails during high-dV/dt switching |
| Output Range | 0.06 V to 4.9 V with 5 V supply, configurable for unidirectional or bidirectional current detection |
Pinout & Package
AD8216YRZ is housed in an 8-lead SOIC_N (R-8) package per JEDEC MS-012-AA, with 1.27 mm lead pitch and 5.00 mm × 4.00 mm body dimensions. Pin 4 and Pin 5 are no-connect terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +IN (Pin 8) | Differential Input Positive | Connects to high-side shunt terminal; accepts differential signals up to ±800 mV in bidirectional mode |
| −IN (Pin 1) | Differential Input Negative | Connects to low-side shunt terminal; defines reference point for differential measurement |
| GND (Pin 2) | Analog Ground Reference | System ground return for internal bias circuitry; not current-sense return path |
| VREF2 (Pin 3) | Reference Voltage Input | Adjusts output offset when paired with VREF1; tied to GND/V+/external ref to set operating point |
| OUT (Pin 5) | Amplified Output | Single-ended 3× differential input voltage plus programmable offset; drives ADC or comparator directly |
| V+ (Pin 6) | Positive Supply | 4.5–5.5 V single supply; powers internal amplifier and reference circuitry |
| VREF1 (Pin 7) | Reference Voltage Input | Functionally identical to VREF2; used in parallel or as divider to set ratiometric or absolute output offset |
| NC (Pin 4) | No Connect | Internally unconnected; must be left floating or grounded per layout best practices |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional current sensing | Configurable output offset enables symmetric ±800 mV input range with 2.5 V midscale zero-current output |
| High common-mode survival | Withstands −40 V to +80 V transients, protecting against load dump and inductive kickback in automotive systems |
| Adjustable output offset | VREF1/VREF2 pins allow 0.06–4.9 V output setting without external resistors or DACs |
| Automotive qualification | Qualified per AEC-Q100 with guaranteed −40°C to +125°C operation and enhanced reliability testing |
| ESD robustness | ±4000 V HBM rating ensures immunity to handling and board-level electrostatic discharge events |
Applications
| High-Side DC-DC Converter Sensing | Automotive Solenoid Control |
|---|---|
Use Scenario: Monitoring phase current in synchronous buck converters with high-side MOSFETs and 12–42 V input rails. IC Role / Device Role / Timing Role: Difference amplifier conditioning shunt voltage while rejecting >65 V common-mode ripple and PWM-edge transients. Use Value: Enables cycle-by-cycle overcurrent protection with <150 ns latency, preventing MOSFET failure during short-circuit events. | Use Scenario: Measuring injection valve coil current in diesel engines with PWM duty cycles up to 95% and battery transients. IC Role / Device Role / Timing Role: High-side current sensor interfacing to engine control unit (ECU) ADC, surviving load dump and cold-crank conditions. Use Value: Provides diagnostic capability for open/shorted solenoid detection and precise fuel metering via bidirectional current profiling. |
| H-Bridge Motor Control | Transmission Control Module |
Use Scenario: Bidirectional current monitoring in 4-quadrant motor drives for electric power steering (EPS) and HVAC blower systems. IC Role / Device Role / Timing Role: Amplifier placed across motor shunt to measure forward/reverse current with midscale zero reference. Use Value: Supports torque vectoring and regenerative braking by delivering accurate current polarity and magnitude to MCU at 3 MHz bandwidth. | Use Scenario: Clutch and gear actuator current sensing in automatic transmissions exposed to under-hood temperatures and vibration. IC Role / Device Role / Timing Role: High-reliability current monitor in transmission control unit (TCU), operating continuously at 125°C ambient. Use Value: Enables adaptive shift timing and wear compensation through real-time coil current signature analysis. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar difference amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA240A1QDRQ1 | 20 V/V gain, wider common-mode (−4 to +80 V), lower offset drift (2.5 µV/°C), but no adjustable offset pins | Requires external level-shifting for bidirectional output; better suited for high-gain, low-drift unidirectional sensing | Select when fixed high gain and ultra-low drift outweigh need for on-chip offset tuning |
| MAX40056ATA+T | 5 V/V gain, 10 MHz bandwidth, integrated overvoltage protection, but only −0.2 V to +65 V common-mode range | Lacks true negative common-mode support; unsuitable for designs requiring −4 V operation or bidirectional offset flexibility | Prefer for high-speed, single-supply systems where common-mode stays above ground |
Compared with INA240A1QDRQ1 and MAX40056ATA+T, the AD8216YRZ uniquely combines adjustable output offset, −4 V common-mode capability, and automotive qualification in a cost-optimized SOIC package-making it optimal for high-volume, thermally demanding bidirectional current sensing where design simplicity and diagnostic flexibility are critical.
Availability
AD8216YRZ is available at Aetrix Electronics and suitable for automotive engine management, industrial motor controls, and DC-to-dc converter designs requiring stable component supply across extended temperature and high-voltage stress conditions.
Supply support for AD8216YRZ 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 AD8216YRZ belongs to Analog Devices' precision current-sense amplifier product line, engineered specifically for robust, high-bandwidth shunt-based current measurement in safety-critical automotive and industrial power systems.
FAQ
What is the maximum continuous common-mode voltage the AD8216YRZ can withstand?
The AD8216YRZ supports a continuous input common-mode voltage range of −4 V to +65 V under normal operation. Its survival rating extends to −40 V to +80 V, allowing it to endure automotive load dump and inductive flyback transients without damage. This specification is validated across the full −40°C to +125°C temperature range and applies directly to the AD8216YRZ device in its 8-lead SOIC_N package.
How does the AD8216YRZ achieve bidirectional current sensing capability?
The AD8216YRZ achieves bidirectional current sensing through its dual VREF1 and VREF2 pins, which allow precise setting of output offset voltage anywhere from 0.06 V to 4.9 V. When both pins are tied to 2.5 V (e.g., via resistor divider from V+), the output rests at midscale (2.5 V) at zero differential input, enabling symmetric ±800 mV input range detection. This configuration is explicitly documented in the AD8216YRZ datasheet Figure 18 and Table 6.
Is the AD8216YRZ pin-compatible with other members of the AD8216 family?
Yes, the AD8216YRZ shares identical pinout and electrical characteristics with AD8216WYRZ and AD8216YRZ-RL variants-all use the same 8-lead SOIC_N (R-8) package and functional pin mapping per datasheet Figures 2 and 3. Differences are limited to packaging format (tape-and-reel vs. tube) and automotive qualification status, not pin function or layout.
What is the typical propagation delay of the AD8216YRZ and how is it measured?
The AD8216YRZ exhibits 100–150 ns input-to-output propagation delay, measured as the time between 50% points of differential input step and corresponding output transition. Datasheet Figures 19 and 20 show rising/falling edge delays of 110 ns and 85 ns respectively under 5 V supply, confirming sub-150 ns performance critical for real-time overcurrent protection in PWM-driven systems using the AD8216YRZ.
Does the AD8216YRZ require external passive components for basic operation?
No, the AD8216YRZ operates fully autonomously with only V+ supply, GND, and differential inputs connected. Its laser-trimmed internal resistor network eliminates need for external gain-setting resistors. Offset adjustment uses only the VREF1/VREF2 pins-no external DACs, op amps, or precision references are required to configure unidirectional, bidirectional, or externally referenced output modes per datasheet Sections "Output Offset Adjustment" and Figure 27.
AD8216YRZ 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:
- 15V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 3 MHz
- Current - Input Bias:
- -
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 1mA
- 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
AD8216YRZ FAQ
1.How can I place an order for AD8216YRZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8216YRZ 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 AD8216YRZ reliable?
The price and inventory of AD8216YRZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8216YRZ is usually 5 days.
3.What payment methods are accepted for AD8216YRZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8216YRZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8216YRZ?
AD8216YRZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8216YRZ 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 AD8216YRZ?
For technical support, including AD8216YRZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8216YRZ requirements.
6.How does Aetrix verify that AD8216YRZ is sourced from the original manufacturer or authorized distributors?
All AD8216YRZ 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 AD8216YRZ meets industry standards.
7.What is the process for return or replacement of AD8216YRZ?
All AD8216YRZ units undergo pre-shipment inspection (PSI). If there is an issue with AD8216YRZ, 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 AD8216YRZ part is unused and in its original packaging.
Return procedure for AD8216YRZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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