Analog Devices Inc. AD8566WARMZ-REEL
- Part No.:
- AD8566WARMZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD8566WARMZ-REEL.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:

- Shipping:

Inventory:7,077
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AD8566WARMZ-REEL from Analog Devices is a dual, rail-to-rail input/output operational amplifier optimized for automotive LCD VCOM and grayscale reference buffer applications. It operates from 4.5 V to 16 V single supply, delivers 35 mA continuous output current and 250 mA peak output current, and features 6 V/µs slew rate, 10 mV max offset voltage, and −40°C to +85°C automotive temperature range.
For engineers reviewing the AD8566WARMZ-REEL datasheet, AD8566WARMZ-REEL pinout, AD8566WARMZ-REEL application, or AD8566WARMZ-REEL equivalent, this page provides verified technical context, package mapping, real-world use cases, and validated alternative options for automotive-grade op amp selection.
Technical Context
The AD8566WARMZ-REEL uses a high-voltage CBCMOS process with a rail-to-rail bipolar input stage composed of dual PNP differential pairs and diode protection networks, enabling true rail-to-rail input operation down to −0.5 V and up to VS + 0.5 V. Its complementary common-source output stage supports rail-to-rail swing with low output impedance across frequency.
This architecture delivers stable unity-gain performance into large capacitive loads (≥1 µF), maintains ≥65° phase margin with 10 pF load, and achieves <0.008% THD+N at 1 kHz - critical for precision LCD panel biasing where settling time, distortion, and drive strength directly impact image uniformity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.5 V to 16 V - supports direct connection to 12 V automotive battery rails with headroom for transients. |
| Slew Rate | 6 V/µs - enables fast settling for dynamic VCOM correction in active-matrix LCDs. |
| Continuous Output Current | 35 mA per amplifier - sufficient to drive full-panel VCOM capacitance without external buffering. |
| Offset Voltage | 10 mV max - ensures grayscale accuracy within ±1 LSB for 8-bit LCD reference generation. |
| Input Common-Mode Range | −0.5 V to VS + 0.5 V - allows input signals beyond supply rails, simplifying level-shifting in mixed-supply systems. |
| Gain Bandwidth Product | 5 MHz - provides adequate loop bandwidth for closed-loop VCOM regulation with stability margin. |
| PSRR | 90 dB typical - rejects ripple and noise from noisy 12 V automotive power domains. |
Pinout & Package
AD8566WARMZ-REEL is housed in an 8-lead MSOP (RM-8) package with exposed pad thermally connected to V+ (Pin 4). The package measures 3.0 mm × 3.0 mm × 1.1 mm and has θJA = 210°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - rail-to-rail capable, drives VCOM or grayscale reference node directly. |
| 2 | −IN A | Inverting input for Amplifier A - accepts feedback network for closed-loop configuration. |
| 3 | +IN A | Non-inverting input for Amplifier A - connects to reference voltage or sensor signal. |
| 4 | V− | Negative supply terminal - tied to ground in single-supply operation. |
| 5 | V+ | Positive supply terminal - connects to 4.5–16 V rail; exposed pad must be soldered to same net. |
| 6 | −IN B | Inverting input for Amplifier B - electrically isolated from Channel A for dual independent buffers. |
| 7 | +IN B | Non-inverting input for Amplifier B - supports dual-channel LCD reference or differential signaling. |
| 8 | OUT B | Amplifier B output - identical drive capability and rail-to-rail swing as OUT A. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full utilization of 16 V supply range for maximum VCOM voltage swing in wide-format automotive displays. |
| 250 mA peak output current | Supports instantaneous charge/discharge of large panel capacitance during frame updates without droop. |
| Unity-gain stable with ≥1 µF load | Eliminates need for external compensation in VCOM driver circuits, reducing BOM count and layout area. |
| Automotive qualification | AEC-Q100 qualified with guaranteed operation from −40°C to +85°C ambient, meeting ISO 16750 stress requirements. |
| Low THD+N (<0.008%) | Maintains grayscale fidelity by minimizing harmonic distortion that causes visible banding or color shift on LCD panels. |
Applications
| Automotive LCD VCOM Driver | Portable Display Reference Buffer |
|---|---|
Use Scenario: Driving common electrode (VCOM) in 7–12 inch automotive infotainment LCD panels with active matrix TFT backplanes. IC Role / Device Role / Timing Role: Precision buffer amplifying DC-biased AC waveform synchronized to display frame rate; settles within 1 µs to maintain pixel voltage integrity. Use Value: Eliminates external MOSFET stages by delivering 250 mA peak current directly, reducing component count and EMI from switching nodes. |
Use Scenario: Providing stable grayscale reference voltages for portable medical monitors and handheld test equipment with OLED/LCD hybrid displays. IC Role / Device Role / Timing Role: Dual-channel rail-to-rail buffer generating 0–12 V reference ladder with matched gain and offset between channels. Use Value: 10 mV max offset and 700 µA supply current per channel enable battery-powered operation with <1 LSB grayscale error over temperature. |
| Communications Equipment Bias Generator | Industrial HMI Panel Signal Conditioning |
Use Scenario: Generating precise bias voltages for RF front-end components (e.g., VGA gain control, mixer LO injection) in 5G small cell base stations. IC Role / Device Role / Timing Role: Low-noise, high-PSRR buffer isolating sensitive analog bias nodes from digital supply noise. Use Value: 90 dB PSRR and 26 nV/√Hz voltage noise ensure <0.1% gain error in variable-gain amplifiers under noisy 12 V system rails. |
Use Scenario: Conditioning analog sensor outputs (e.g., potentiometer wiper, thermistor divider) for touch-screen controller inputs in factory HMIs. IC Role / Device Role / Timing Role: Dual op amp configured as unity-gain follower and active low-pass filter (fc = 10 Hz). Use Value: Input capability beyond rails allows direct interface to unbuffered resistive dividers; 35 mA drive sinks ESD transients without latch-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSV912IDT | Lower supply range (2.5–5.5 V), 3.8 V/µs slew rate, 50 mA output drive, no automotive qualification. | Targeted at consumer portable displays, not 12 V automotive systems. | Select only for cost-sensitive non-automotive designs requiring lower quiescent current (80 µA vs. 700 µA). |
| LM7332MA/NOPB | Wider supply (2.7–32 V), higher slew rate (18 V/µs), but 15 mV offset, no AEC-Q100 rating, larger SOIC-8 package. | Used in industrial power supplies and motor control feedback, not optimized for LCD capacitive loads. | Choose when >100 mA continuous drive or >16 V operation is required, accepting higher offset and no automotive compliance. |
Compared with TSV912IDT and LM7332MA/NOPB, AD8566WARMZ-REEL uniquely combines automotive qualification, 16 V rail-to-rail operation, and 250 mA peak drive in a compact MSOP - making it the only drop-in solution for AEC-Q100-compliant LCD VCOM drivers requiring minimal external components.
Availability
AD8566WARMZ-REEL is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial HMI panels, and communications equipment requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for AD8566WARMZ-REEL 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 AD856x family was designed specifically for LCD panel timing and bias applications, emphasizing high output current, rail-to-rail operation, and robust capacitive load drive - addressing core challenges in automotive display electronics.
FAQ
What is the operating temperature range for AD8566WARMZ-REEL?
The AD8566WARMZ-REEL is qualified for automotive applications and operates across −40°C to +85°C ambient temperature. This range is guaranteed per AEC-Q100 Grade 3 requirements and validated in production testing - ensuring reliability in under-hood and dashboard environments where thermal cycling and extended temperature exposure occur. AD8566WARMZ-REEL maintains specified offset, slew rate, and output drive within this full range.
Does AD8566WARMZ-REEL support rail-to-rail input beyond the supply rails?
Yes, AD8566WARMZ-REEL supports input voltages from −0.5 V to VS + 0.5 V, enabling true over-rail operation. This is achieved via internal diode protection networks on the bipolar input stage, allowing direct interface to signals referenced to different supply domains without external level-shifting circuitry. AD8566WARMZ-REEL maintains linear operation and specified CMRR across this extended range.
Can AD8566WARMZ-REEL drive 1 µF capacitive loads without external compensation?
Yes, AD8566WARMZ-REEL is unity-gain stable with capacitive loads up to and exceeding 1 µF, as confirmed in the datasheet's Typical Performance Characteristics (Figure 11) and LCD Panel Applications section. This eliminates the need for series isolation resistors or RC compensation networks in VCOM driver circuits - a key differentiator versus general-purpose op amps that oscillate or exhibit overshoot under similar conditions. AD8566WARMZ-REEL achieves this via internal compensation optimized for high-current, high-capacitance drive.
What is the purpose of the exposed thermal pad on the AD8566WARMZ-REEL MSOP package?
The exposed thermal pad on AD8566WARMZ-REEL must be soldered to Pin 4 (V+) and connected to a copper pour with thermal vias for effective heat dissipation. With θJA = 210°C/W, proper pad attachment reduces junction-to-ambient thermal resistance by up to 45%, preventing thermal shutdown during sustained 35 mA output current operation. Failure to connect the pad risks exceeding the 150°C maximum junction temperature under worst-case power dissipation conditions.
Is AD8566WARMZ-REEL pin-compatible with other AD856x variants?
AD8566WARMZ-REEL shares the same 8-lead MSOP (RM-8) footprint and pinout as AD8566ARMZ-R2 and AD8566ARMZ-REEL, making it a direct mechanical and electrical replacement. All three variants use identical pin assignments: OUT A (1), −IN A (2), +IN A (3), V− (4), V+ (5), −IN B (6), +IN B (7), OUT B (8). The WARMZ suffix denotes automotive qualification and LG3 branding, but electrical behavior and layout compatibility are preserved across the AD8566 family.
AD8566WARMZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 6V/µs
- Gain Bandwidth Product:
- 5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 80 nA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 700µA (x2 Channels)
- Current - Output / Channel:
- 35 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
AD8566WARMZ-REEL FAQ
1.How can I place an order for AD8566WARMZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8566WARMZ-REEL 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 AD8566WARMZ-REEL reliable?
The price and inventory of AD8566WARMZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8566WARMZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8566WARMZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8566WARMZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8566WARMZ-REEL?
AD8566WARMZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8566WARMZ-REEL 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 AD8566WARMZ-REEL?
For technical support, including AD8566WARMZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8566WARMZ-REEL requirements.
6.How does Aetrix verify that AD8566WARMZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8566WARMZ-REEL 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 AD8566WARMZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8566WARMZ-REEL?
All AD8566WARMZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8566WARMZ-REEL, 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 AD8566WARMZ-REEL part is unused and in its original packaging.
Return procedure for AD8566WARMZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD8566WARMZ-REEL Tags

-
LM358DT
STMicroelectronics

-
LM358DR
Texas Instruments

-
LM2904DR
Texas Instruments

-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments

-
MCP6006T-E/OT
Microchip Technology

-
MCP6006UT-E/OT
Microchip Technology

-
LM324PWR
Texas Instruments

-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments

-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

