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Analog Devices Inc. AD8511ARUZ-REEL
- Part No.:
- AD8511ARUZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Display Drivers
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
AD8511ARUZ-REEL.pdf
- Description:
- IC DRVR 64 GREY SCALE 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,402
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Product details
Overview
AD8511ARUZ-REEL from Analog Devices is an 11-channel, multiplexed-input LCD reference buffer designed to drive gamma correction resistor ladders in high-resolution column drivers. It features A/B input selection per channel, ±120 mA output short-circuit current, 6 μs settling time, and stable operation with 1000 pF capacitive loads - enabling precise gray-scale voltage referencing for 64-level LCD displays.
For engineers reviewing the AD8511ARUZ-REEL datasheet, AD8511ARUZ-REEL pinout, AD8511ARUZ-REEL application, or AD8511ARUZ-REEL equivalent, key selection criteria include channel count (11), output drive capability (300 mA peak), supply range (3.3 V to 6.5 V), TSSOP-48 packaging, and compatibility with LCD line inversion gamma reference architectures.
Technical Context
The AD8511ARUZ-REEL implements a parallel 11-channel analog multiplexer architecture with independent A/B select logic per channel, controlled by a single global A/B input pin. Each channel buffers one of two input references (INAx or INBx) to its dedicated output (VOx), supporting dynamic gamma voltage switching during display frame updates.
It uses CMOS input stages with ≤50 nA bias current and rail-to-rail output stages capable of sourcing/sinking ≥120 mA while maintaining <6 μs settling time into 250 Ω loads. The device is internally compensated for stability with ≥1000 pF capacitive loads - eliminating need for series isolation resistors at outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | 11 independent buffered outputs (VO1–VO11) with dual-input mux per channel |
| Supply Voltage | 3.3 V to 6.5 V - supports standard LCD bias rails without external regulation |
| Output Drive | ≥120 mA short-circuit current per channel - ensures fast transient response under varying column load |
| Settling Time | 3 μs to 6 μs (to ±0.1%) - enables high-speed gamma voltage updates across full display frame |
| Input Bias Current | ≤50 nA - permits use of high-value resistor ladders (>1 MΩ) to minimize power consumption |
| Capacitive Load Stability | Stable with ≥1000 pF - eliminates need for output series resistors, preserving signal integrity |
| Slew Rate | 6.2 V/μs (RL = 250 Ω) - maintains fidelity during rapid reference transitions |
| Operating Temp | −40°C to +85°C - qualified for industrial and automotive display modules |
Pinout & Package
AD8511ARUZ-REEL is housed in a Pb-free, 48-lead TSSOP (RV-48) package with exposed thermal pad. All VCC (pins 30, 38, 44) and GND (pins 31, 37, 43) connections must be soldered and bypassed for stable high-current operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA1–INA11 | MUX Input A | First reference voltage input per channel; selected when A/B = logic high |
| INB1–INB11 | MUX Input B | Second reference voltage input per channel; selected when A/B = logic low |
| VO1–VO11 | MUX Output | Buffered output driving LCD column driver gamma ladder node |
| A/B (Pin 29) | Global Select Control | Single TTL/CMOS-compatible input selecting all 11 channels simultaneously between INA or INB |
| VCC (Pins 30, 38, 44) | Power Supply | Distributed supply pins reduce IR drop and improve PSRR during high-current transients |
| GND (Pins 31, 37, 43) | Ground Return | Multiple low-inductance ground paths essential for noise immunity and output stability |
Key Features
| Feature | Design Value |
|---|---|
| 11-channel gamma reference buffering | Enables single-chip support for full 64-gray-scale LCD column driver reference ladders |
| A/B input selection logic | Global digital control toggles all 11 outputs between two precision reference voltages |
| High-output-current drive (≥120 mA) | Delivers fast transient response into low-impedance LCD column loads without droop |
| Low input bias current (≤50 nA) | Allows >1 MΩ resistor ladder networks - reducing total system supply current |
| Capacitive-load stability (≥1000 pF) | Eliminates output series resistors, preserving gamma voltage accuracy and step response |
| Pb-free TSSOP-48 package | RoHS-compliant surface-mount footprint compatible with standard reflow profiles |
Applications
| LCD Column Driver Gamma Reference | Portable Display Power Optimization |
|---|---|
|
Use Scenario: Driving 64-level gamma correction resistor ladders in TFT-LCD column drivers for smartphones and tablets. IC Role / Device Role / Timing Role: 11-channel reference buffer providing stable, low-drift voltage nodes for line-inversion LCD biasing. Use Value: Enables accurate gray-scale reproduction via precise dual-reference selection (A/B) synchronized to display frame timing. |
Use Scenario: Minimizing power consumption in battery-powered handheld displays using high-impedance gamma ladders. IC Role / Device Role / Timing Role: Low-input-bias-current buffer allowing megaohm-level ladder resistors without compromising settling speed. Use Value: Reduces total ladder current by >50% versus higher-bias alternatives, extending battery life without sacrificing image quality. |
| Industrial Panel Display Reference | Automotive Infotainment Gamma Calibration |
|
Use Scenario: Providing temperature-stable gamma references in wide-temp-range industrial HMIs (−40°C to +85°C). IC Role / Device Role / Timing Role: Rail-to-rail output buffer maintaining <200 mV VOL and <20 mV VOH error across full temp range. Use Value: Ensures consistent color fidelity and contrast ratio over extended operating conditions without recalibration. |
Use Scenario: Supporting A/B-selectable gamma profiles in automotive infotainment systems for day/night mode switching. IC Role / Device Role / Timing Role: Single-pin-controlled dual-reference mux enabling real-time gamma curve adjustment during display updates. Use Value: Allows seamless transition between daylight-optimized and night-mode gamma curves without display flicker or delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD reference buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CL-FP6131 | 11-channel like AD8511ARUZ-REEL but includes EN_11 pin for 9/11-channel mode selection; slightly higher quiescent current (12 mA vs. 10 mA) | Supports configurable channel count; AD8511ARUZ-REEL is fixed 11-channel only | Choose CL-FP6131 if flexible channel enable/disable is required; otherwise AD8511ARUZ-REEL offers lower ISY and simpler control |
| LMC6009 | 9-channel only; pin-compatible but lacks 2 extra channels and has lower output current (100 mA vs. 120 mA) | Not suitable for 11-channel LCD drivers; requires two devices for same channel count | Select AD8511ARUZ-REEL when full 11-channel integration is needed to reduce board area and interconnect complexity |
Compared with CL-FP6131 and LMC6009, AD8511ARUZ-REEL delivers fixed 11-channel operation with lower supply current and higher output drive - optimizing BOM count and power efficiency in dedicated gamma reference designs.
Availability
AD8511ARUZ-REEL is available at Aetrix Electronics and suitable for LCD column driver gamma reference, portable display power optimization, industrial panel display reference, and automotive infotainment gamma calibration requiring stable component supply and RoHS-compliant packaging.
Supply support for AD8511ARUZ-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, communications, automotive, and consumer markets since 1965.
The AD8511ARUZ-REEL belongs to Analog Devices' precision LCD reference buffer product line, engineered specifically for gamma voltage generation and switching in high-resolution flat-panel displays.
FAQ
What is the function of the A/B pin on the AD8511ARUZ-REEL?
The A/B pin (Pin 29) is a TTL/CMOS-compatible digital control input that globally selects between the two input references (INAx or INBx) for all 11 channels simultaneously. When A/B is logic high, all VOx outputs buffer INA1–INA11; when low, they buffer INB1–INB11 - enabling synchronized gamma curve switching across the entire display.
Does the AD8511ARUZ-REEL require external compensation components?
No, the AD8511ARUZ-REEL is internally compensated and remains stable with capacitive loads up to 1000 pF. This eliminates the need for external series resistors or compensation networks at the VOx outputs - preserving signal fidelity and simplifying PCB layout for LCD gamma reference routing.
What is the maximum output current capability of each channel in the AD8511ARUZ-REEL?
Each output channel of the AD8511ARUZ-REEL guarantees ≥120 mA short-circuit current (ISC) and can continuously source/sink ≥20 mA while maintaining VOH ≥4.8 V and VOL ≤200 mV at VS = 5 V. Peak transient drive exceeds 300 mA, supporting fast charging of column driver capacitance.
Can the AD8511ARUZ-REEL operate from a 3.3 V supply?
Yes, the AD8511ARUZ-REEL is fully specified for single-supply operation from 3.3 V to 6.5 V. At 3.3 V, it maintains rail-to-rail output swing, ≤50 nA input bias current, and <6 μs settling time - making it suitable for low-voltage portable LCD systems without level-shifting circuitry.
How many power and ground pins does the AD8511ARUZ-REEL have, and why?
The AD8511ARUZ-REEL has three VCC pins (30, 38, 44) and three GND pins (31, 37, 43) to minimize impedance in high-current return paths. This distributed power architecture reduces voltage droop and improves PSRR during simultaneous multi-channel output transients - critical for maintaining gamma voltage accuracy in active-matrix LCDs.
AD8511ARUZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Display Type:
- LCD
- Configuration:
- 64 grey scale
- Interface:
- -
- Digits or Characters:
- -
- Current - Supply:
- 10 mA
- Voltage - Supply:
- 3.3V ~ 6.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
AD8511ARUZ-REEL FAQ
1.How can I place an order for AD8511ARUZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8511ARUZ-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 AD8511ARUZ-REEL reliable?
The price and inventory of AD8511ARUZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8511ARUZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8511ARUZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8511ARUZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8511ARUZ-REEL?
AD8511ARUZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8511ARUZ-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 AD8511ARUZ-REEL?
For technical support, including AD8511ARUZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8511ARUZ-REEL requirements.
6.How does Aetrix verify that AD8511ARUZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8511ARUZ-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 AD8511ARUZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8511ARUZ-REEL?
All AD8511ARUZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8511ARUZ-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 AD8511ARUZ-REEL part is unused and in its original packaging.
Return procedure for AD8511ARUZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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