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Analog Devices Inc. AD8386JCPZ
- Part No.:
- AD8386JCPZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Display Drivers
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD8386JCPZ.pdf
- Description:
- LIQUID CRYSTAL DRIVER, 12-SEGMEN
- Quantity:
- Payment:
- Shipping:
Inventory:12,223
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Product details
Overview
AD8386JCPZ from Analog Devices is a 10-bit, 12-channel decimating LCD driver IC designed for high-speed column driving in projection microdisplays. It features 100 Ms/s input data update rate, ±100 mA output current capability, 1.3 V rail-to-rail output swing, 35 ns settling time to 0.25% into 150 pF, and operates with 9 V–18 V analog and 3.3 V digital supplies. It is used in 720p HDTV panel drive systems requiring precise video voltage scaling and polarity inversion.
For engineers reviewing the AD8386JCPZ datasheet, AD8386JCPZ pinout, AD8386JCPZ application, or AD8386JCPZ equivalent, key selection considerations include its decimating DAC architecture, dual-reference (VRL/VRH) video scaling, thermal protection enable control (TSW), grounded-output mode (GSW/GCTL), and compatibility with high-capacitance LCD column loads up to 150 pF.
Technical Context
The AD8386JCPZ integrates twelve independent 10-bit bipolar DACs with fast current-feedback output amplifiers on a single XFHV bipolar process, enabling simultaneous high-voltage, high-slew-rate (400 V/μs) analog outputs. Its decimating architecture latches and distributes sequential 10-bit words across 12 channels using XFR- and CLK-synchronized two-stage latching.
It supports dual operating modes: parallel 10-bit parallel interface (DB0–DB9, XFR, CLK, INV, R/L) and auxiliary 3-wire serial interface (SEN/SCL/SDI) for 8-bit VAO control and output mode configuration. Reference inputs VRH/VRL set full-scale video swing (VFS = 2 × (VRH − VRL)), while INV controls polarity relative to VRL.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit binary input with laser-trimmed DAC matching; ensures <±1.5 LSB INL for accurate grayscale reproduction. |
| Output Channels | 12 independent analog outputs (VID0–VID11); directly drives LCD column electrodes without external buffers. |
| Data Rate | 100 Ms/s maximum input update rate; supports 720p HDTV pixel clocks up to 74.25 MHz with valid timing margins. |
| Output Swing | To within 1.3 V of AVCC/AGND rails; enables full utilization of 9–18 V analog supply range for high-contrast display biasing. |
| Settling Time | 35 ns to 0.25% into 150 pF load; guarantees stable pixel voltage before next clock edge in high-refresh displays. |
| Supply Voltages | DVCC = 3.3 V ±10%; AVCC = 9 V to 18 V; separates logic and analog domains to minimize noise coupling. |
| Thermal Protection | Internally trip-point adjustable via TSW pin (enabled HIGH); junction limit 165°C with hysteresis for safe short-circuit operation. |
Pinout & Package
AD8386JCPZ is housed in a 64-lead 9 mm × 9 mm LFCSP_VQ package with exposed thermal paddle. Pin 1 is marked by dot; pins 1 and 2 are no-connect. The exposed paddle must be soldered to AVCC or AGND plane for thermal integrity and EMI suppression.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DB0–DB9 | Parallel Data Input | 10-bit MSB-first video data bus; latched on CLK edges during XFR-initiated sequence. |
| XFR | Transfer Start Control | Edge-triggered command initiating 12-word loading cycle; determines data-to-output latency. |
| CLK | Video Timing Clock | Synchronizes all internal latching and output updates; minimum pulse width 4 ns low / 6 ns high. |
| INV | Polarity Control | Latched on first CLK after XFR; sets VIDx = VRL ± VFS×(1−n/1023) for AC-coupled LCD biasing. |
| VRH / VRL | Full-Scale Reference Inputs | Set VFS = 2×(VRH−VRL); range: VRL = 5.25 V to (AVCC−4 V), VRH = VRL to AVCC. |
| VID0–VID11 | Analog Output Drivers | 12 high-current (±100 mA), high-slew (400 V/μs) outputs; each internally short-circuit protected. |
| TSW | Thermal Switch Enable | Active-HIGH enable for thermal protection circuit; internal 10 kΩ pull-down disables protection if floating. |
| GSW / GCTL | Output Mode Control | GSW + GCTL define grounded-mode override; allows AVCC removal while preserving DVCC-powered safety state. |
Key Features
| Feature | Design Value |
|---|---|
| Decimating DAC Architecture | Accepts serial 10-bit words at 100 Ms/s and distributes them across 12 latched DACs-eliminates need for external FIFO or channel demultiplexing logic. |
| Rail-to-Rail Output Drive | Swings within 1.3 V of AVCC/AGND rails under full load; maximizes usable contrast range in high-voltage LCD panels. |
| Integrated Thermal Protection | Self-regulating thermal shutdown with 165°C trip point and hysteresis; maintains safe average junction temperature during sustained overload. |
| Laser-Trimmed Accuracy | Eliminates factory calibration; achieves ±1.5 LSB INL and ±3.5 mV VCME over 0°C–85°C, critical for uniform grayscale rendering. |
| Flexible Reference Scaling | VRL/VRH inputs allow dynamic adjustment of full-scale video swing (0–5.5 V) and center voltage-enables real-time brightness/contrast tuning. |
| Grounded Output Safety Mode | GSW/GCTL-controlled asynchronous force-to-AGND (200 mV typical) with DVCC-only power-prevents panel damage during power sequencing or fault conditions. |
Applications
| Projection Microdisplay Driver | HDTV Panel Column Driver |
|---|---|
|
Use Scenario: Driving column electrodes of LCoS or reflective LCD microdisplays in DLP-style projection engines. IC Role / Device Role / Timing Role: Primary video DAC and high-current buffer; accepts pixel-clock-synchronized DB0–DB9 data and generates 12 synchronized analog column voltages. Use Value: 35 ns settling into 150 pF load ensures pixel voltage stability before next horizontal blanking interval, eliminating vertical crosstalk in 720p/1080p systems. |
Use Scenario: Direct column drive for 720p active-matrix LCD panels in broadcast monitors and medical imaging displays. IC Role / Device Role / Timing Role: High-voltage video DAC with programmable contrast/brightness via VRH/VRL; supports R/L mirroring and INV polarity reversal for panel layout flexibility. Use Value: 100 mA per channel sustains 150 pF load capacitance without external amplification, reducing BOM count and PCB area in space-constrained designs. |
| High-Resolution Display Test Equipment | Automotive HUD Video Interface |
|
Use Scenario: Programmable video stimulus generation in LCD production test fixtures requiring calibrated grayscale ramps and fast transitions. IC Role / Device Role / Timing Role: Precision reference-controlled DAC with laser-trimmed linearity; uses SVRL/SVRH and serial interface for VAO calibration and mode control. Use Value: ±1.5 LSB INL and ±3.5 mV VCME ensure measurement-grade accuracy for pass/fail testing of display gamma and uniformity. |
Use Scenario: Driving compact HUD combiner LCDs requiring high-brightness video signals with robust thermal management in under-hood environments. IC Role / Device Role / Timing Role: Thermally protected video driver with TSW-enabled junction monitoring; operates up to 85°C ambient when thermal protection is disabled (TSW = LOW). Use Value: Internal 165°C thermal trip point and hysteresis prevent latch-up during transient overloads, ensuring fail-safe behavior in automotive safety-critical displays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD column driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS8200IPFP | 12-bit resolution, 8-channel output, 170 Ms/s max rate; requires external level-shifting for >12 V swing; no integrated thermal protection. | Targeted at RGB video path in broadcast gear-not optimized for monochrome microdisplay column drive or VRL/VRH scaling. | Choose THS8200IPFP only if higher resolution and lower channel count suffice and system-level thermal management is already implemented. |
| MAX9634ETJ+ | 10-bit, 12-channel, but limited to 5 V analog supply; 25 ns settling into 100 pF; lacks XFR/INV/R/L control logic and VRL/VRH reference architecture. | Designed for portable LCD biasing-not suitable for high-voltage projection displays requiring >9 V swing and dynamic contrast control. | Select MAX9634ETJ+ only for low-power, low-voltage (<6 V) embedded displays where full-scale flexibility and thermal resilience are secondary. |
Compared with THS8200IPFP and MAX9634ETJ+, AD8386JCPZ uniquely combines 10-bit precision, 12-channel high-voltage drive (up to 18 V), integrated thermal protection, and programmable VRL/VRH-based video scaling-making it the only option qualified for demanding projection microdisplay and high-brightness HDTV column drive.
Availability
AD8386JCPZ is available at Aetrix Electronics and suitable for 720p HDTV panel drive, projection microdisplay systems, LCD test equipment, and automotive HUD interfaces requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for AD8386JCPZ 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 and manufacturing expertise spanning precision converters, amplifiers, and RF solutions.
The AD8386JCPZ belongs to Analog Devices' DecDriver® family-engineered specifically for high-speed, high-accuracy LCD column driving in projection and high-definition display systems, emphasizing rail-to-rail output, thermal resilience, and flexible video reference control.
FAQ
What is the maximum capacitive load the AD8386JCPZ can drive while maintaining specified settling performance?
The AD8386JCPZ is characterized for 35 ns settling time to 0.25% into a 150 pF load, as verified in the datasheet's Video Output Dynamic Performance table. It remains stable with loads from 0.002 μF to 0.047 μF for the VAO output, but VIDx outputs are optimized for 150 pF typical LCD column capacitance. Loads exceeding 150 pF may increase settling time beyond specification and require evaluation in the target system layout.
How does the AD8386JCPZ handle thermal overload, and what role does the TSW pin play?
The AD8386JCPZ incorporates an internal thermal protection circuit with a 165°C junction trip point. When TSW is HIGH, both thermal protection and output current limiting (100 mA avg per channel) are active. When TSW is LOW, only current limiting remains enabled. This dual-mode design allows system designers to disable thermal shutdown for continuous high-power operation (e.g., 85°C ambient) while retaining short-circuit protection-critical for automotive HUD applications.
Can the AD8386JCPZ operate with different analog and digital supply voltages, and what are the valid ranges?
Yes. The AD8386JCPZ separates analog and digital domains: AVCC supports 9 V to 18 V for high-voltage video outputs, while DVCC is strictly 3.0 V to 3.6 V (typical 3.3 V) for logic interface. This isolation prevents digital noise from modulating analog output accuracy. Supply sequencing is defined-DVCC must be stable before AVCC ramp-up-and improper sequencing risks parametric shift or latch-up.
What is the function of the INV and R/L pins, and how do they affect video output timing?
INV latches on the first rising CLK edge after XFR and determines whether VIDx outputs sit above (INV = HIGH) or below (INV = LOW) VRL-enabling AC-coupled LCD biasing. R/L selects data loading direction: LOW starts at VID0 → VID11 (left-to-right), HIGH starts at VID11 → VID0 (right-to-left), supporting image mirroring without external reordering logic. Both signals are sampled synchronously to CLK and XFR, with setup/hold times defined in Table 5.
Does the AD8386JCPZ support both parallel and serial control, and how are they distinguished?
Yes. The AD8386JCPZ supports two independent interfaces: a 10-bit parallel interface (DB0–DB9, XFR, CLK, INV, R/L) for primary video data, and a 3-wire serial interface (SEN/SCL/SDI) for auxiliary functions including VAO control and output mode selection. GCTL pin selects priority: when GCTL = LOW, GSW controls mode; when GCTL = HIGH, serial commands (via SD11/SD10 bits) determine operation-enabling hybrid system architectures.
AD8386JCPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- AD
- Package/Case:
- 64-VFQFN Exposed Pad, CSP
- Packaging:
- Bulk
- Product Status:
- Active
- Display Type:
- LCD
- Configuration:
- -
- Interface:
- Serial
- Digits or Characters:
- -
- Current - Supply:
- 125 µA
- Voltage - Supply:
- 4.5V ~ 18V
- Operating Temperature:
- 0°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 64-LFCSP-VQ (9x9)
AD8386JCPZ FAQ
1.How can I place an order for AD8386JCPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8386JCPZ 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 AD8386JCPZ reliable?
The price and inventory of AD8386JCPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8386JCPZ is usually 5 days.
3.What payment methods are accepted for AD8386JCPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8386JCPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8386JCPZ?
AD8386JCPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8386JCPZ 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 AD8386JCPZ?
For technical support, including AD8386JCPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8386JCPZ requirements.
6.How does Aetrix verify that AD8386JCPZ is sourced from the original manufacturer or authorized distributors?
All AD8386JCPZ 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 AD8386JCPZ meets industry standards.
7.What is the process for return or replacement of AD8386JCPZ?
All AD8386JCPZ units undergo pre-shipment inspection (PSI). If there is an issue with AD8386JCPZ, 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 AD8386JCPZ part is unused and in its original packaging.
Return procedure for AD8386JCPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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