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Analog Devices Inc. ADD8706ACPZ-REEL7
- Part No.:
- ADD8706ACPZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
ADD8706ACPZ-REEL7.pdf
- Description:
- IC OPAMP GP 6 CIRCUIT 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:9,000
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Product details
Overview
ADD8706ACPZ-REEL7 from Analog Devices is a single-supply, 5 + 1-channel TFT LCD gamma buffer and VCOM amplifier optimized for notebook and monitor panels. It delivers rail-to-rail output swing (up to 16 V), continuous output current up to 35 mA (Channel F), peak VCOM current of 250 mA, and 6 V/µs slew rate. It operates across –40°C to +85°C in a 16-lead TSSOP package.
For engineers reviewing the ADD8706ACPZ-REEL7 datasheet, ADD8706ACPZ-REEL7 pinout, ADD8706ACPZ-REEL7 application, or ADD8706ACPZ-REEL7 equivalent, key selection criteria include channel-specific input voltage ranges (e.g., Channel A supports VS–1.7 V to VS), differential output drive capability per channel, thermal performance (θJA = 180°C/W), and compatibility with large capacitive loads (up to 100 pF) without instability.
Technical Context
The ADD8706ACPZ-REEL7 integrates five gamma reference buffers (A–E) with distinct input common-mode ranges and one dedicated VCOM amplifier (F). Channels A and E are asymmetric: A sources strongly near VS but sinks poorly; E sinks strongly near GND but sources weakly. Channels B–D support bidirectional 15 mA drive with mid-range input tolerance.
Amplifier F features enhanced output stage design enabling 35 mA continuous and 250 mA peak current delivery into VCOM loads, while maintaining <15 mV offset voltage, 750 µA per amplifier supply current, and unity-gain stability with ≥200 pF capacitive load - critical for driving high-parasitic LCD common-plane capacitance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.5 V to 16 V - enables direct operation from standard TFT panel supplies without regulation. |
| Output Swing (Channel A) | VS − 0.15 V (at 5 mA sink) - supports top-rail gamma reference generation with minimal headroom loss. |
| Output Swing (Channel E) | GND + 0.005 V (at 100 µA sink) - ensures accurate low-end gamma voltage fidelity. |
| VCOM Peak Current (Channel F) | 250 mA - sustains transient pixel charging demands in active-matrix LCDs. |
| Slew Rate | 6 V/µs - maintains fast settling during gamma step transitions under 200 pF load. |
| Input Offset Voltage | 15 mV max - limits gamma voltage error accumulation across 10-step correction curves. |
| PSRR | 70 dB min (4 V–17 V supply variation) - suppresses supply noise coupling into sensitive gamma references. |
Pinout & Package
ADD8706ACPZ-REEL7 is housed in a 16-lead TSSOP (RU-16) package with 0.65 mm pitch, JEDEC MO-153AB compliant outline, and θJA = 180°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | +IN F | VCOM amplifier non-inverting input - accepts mid-scale reference for center-panel bias control. |
| 2 | V+ | Positive supply rail - connects to 4.5–16 V panel supply; decoupling required near pin. |
| 3 | +IN E | Low-swing gamma buffer input - configured for bottom-rail referencing (GND+1.7 V input range). |
| 4 | +IN D | Mid-range gamma buffer input - supports symmetric gamma string midpoint generation. |
| 5 | OUT D | Gamma voltage output D - drives RDAC string node with 15 mA continuous sourcing/sinking. |
| 6 | +IN C | Mid-range gamma buffer input - identical electrical behavior to Pins 4 and 7. |
| 7 | +IN B | Mid-range gamma buffer input - used with B–D channels for uniform gamma voltage distribution. |
| 8 | +IN A | High-swing gamma buffer input - accepts VS-referenced input for top-rail gamma voltage generation. |
| 9 | –IN F | VCOM amplifier inverting input - connected to feedback network for precise VCOM regulation. |
| 10 | OUT F | VCOM output - delivers 35 mA continuous / 250 mA peak current to LCD common electrode. |
| 11 | V− | Ground reference - must be low-impedance connection to system GND plane. |
| 12 | OUT E | Low-swing gamma output - optimized for sink-only operation near GND. |
| 13 | OUT C | Gamma voltage output C - matches OUT B/D electrical specs and layout routing. |
| 14 | OUT B | Gamma voltage output B - provides matched drive strength and settling for gamma string symmetry. |
| 15 | OUT A | High-swing gamma output - sources up to 15 mA near VS with minimal voltage drop. |
| 16 | NC | No connect - left unconnected per datasheet; no internal function or tie requirement. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing per channel | Enables full-scale gamma voltage generation (e.g., Channel A reaches within 150 mV of VS at 5 mA load). |
| Asymmetric input ranges per buffer | Allows optimal placement in gamma string: Channel A (VS–1.7 V to VS), Channel E (GND to VS–1.7 V), B–D (GND+1.7 V to VS–1.7 V). |
| VCOM-specific high-current output stage | Delivers 35 mA continuous and 250 mA peak current to stabilize LCD common-plane voltage under dynamic pixel switching. |
| Unity-gain stable with ≥200 pF load | Eliminates need for external isolation resistors when driving long traces or high-capacitance LCD columns. |
| Low 750 µA per amplifier supply current | Reduces total quiescent power to 4.5 mA (6 channels × 750 µA) - critical for battery-powered notebook designs. |
Applications
| TFT LCD Notebook Panels | TFT LCD Monitor Panels |
|---|---|
Use Scenario: Generating 10-point gamma correction voltages and VCOM bias for 1366×768 active-matrix notebook displays. IC Role / Device Role / Timing Role: Five gamma buffers (A–E) provide precision reference voltages to column driver RDACs; Channel F drives VCOM electrode. Use Value: Eliminates discrete op-amp arrays, reduces PCB area by >60%, and ensures monotonic gamma curve via matched channel gain (0.995–1.005 V/V). |
Use Scenario: Supplying gamma reference ladder and dynamic VCOM compensation for 1920×1080 desktop monitors with wide viewing angle IPS panels. IC Role / Device Role / Timing Role: Buffers A–E establish stable DC gamma points; Channel F actively regulates VCOM against frame-rate-dependent load shifts. Use Value: Maintains contrast ratio >1000:1 across temperature (–40°C to +85°C) via <10 µV/°C offset drift and 95 dB CMRR. |
| Portable Instrumentation Displays | Communications Equipment UI Panels |
Use Scenario: Driving small-form-factor transflective LCDs in handheld test meters with limited supply headroom (5 V nominal). IC Role / Device Role / Timing Role: Channel A–E generate gamma references from 5 V rail; Channel F supplies VCOM with 35 mA drive at low voltage. Use Value: Operates down to 4.5 V supply while retaining rail-to-rail swing - extends battery life without sacrificing grayscale accuracy. |
Use Scenario: Providing gamma and VCOM signals for ruggedized front-panel LCDs in industrial routers and base stations operating in extended temperature environments. IC Role / Device Role / Timing Role: All six channels deliver stable outputs over –40°C to +85°C; PSRR >70 dB rejects switch-mode power supply noise. Use Value: Ensures consistent display luminance and color fidelity despite 12 V DC-DC converter ripple and thermal cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TFT LCD gamma buffer and VCOM amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADD8705ARUZ | 5-channel only (no VCOM amplifier); 15 mA max continuous output per channel; same TSSOP-16 package. | Lacks integrated VCOM drive - requires external op-amp or discrete solution for VCOM. | Select when VCOM is generated separately and board space allows dual-component implementation. |
| MAX9604ETE+ | 6-channel, rail-to-rail I/O; 50 mA continuous output per channel; 2.7–5.5 V supply range only. | Not rated for 16 V operation - unsuitable for high-voltage TFT panels requiring >5.5 V gamma references. | Choose only for low-voltage portable displays where supply ≤5.5 V and higher output current is needed per channel. |
Compared with ADD8706ACPZ-REEL7, ADD8705ARUZ reduces integration by omitting VCOM drive, increasing BOM count and layout complexity, while MAX9604ETE+ lacks the 16 V capability essential for mainstream TFT panels - making ADD8706ACPZ-REEL7 the only single-package solution supporting full 4.5–16 V gamma + VCOM functionality.
Availability
ADD8706ACPZ-REEL7 is available at Aetrix Electronics and suitable for TFT LCD notebook panels, TFT LCD monitor panels, and portable instrumentation displays requiring stable component supply, guaranteed long-term availability, and full traceability.
Supply support for ADD8706ACPZ-REEL7 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.
The ADD8706ACPZ-REEL7 belongs to Analog Devices' display interface and timing product line, engineered specifically for cost-sensitive, high-volume TFT LCD gamma correction and VCOM biasing in consumer and industrial panels.
FAQ
What is the maximum supply voltage rating for the ADD8706ACPZ-REEL7?
The ADD8706ACPZ-REEL7 has an absolute maximum supply voltage of 18 V, with recommended operating range from 4.5 V to 16 V. Operation at 16 V enables full rail-to-rail output swing for gamma reference generation in high-voltage TFT panels, while staying safely below the stress limit. Exceeding 18 V risks permanent damage per the Absolute Maximum Ratings table.
How does the ADD8706ACPZ-REEL7 handle capacitive loads in LCD column driver applications?
The ADD8706ACPZ-REEL7 is unity-gain stable with capacitive loads up to 200 pF, verified in Figure 15 of the datasheet. Its output stage is optimized for high capacitive drive without external compensation - critical for driving long PCB traces and parasitic capacitance of LCD columns. This eliminates series isolation resistors typically needed with general-purpose op-amps.
Why does Channel A of the ADD8706ACPZ-REEL7 have different input voltage range than Channels B–D?
Channel A uses an NPN emitter-follower input stage allowing VIH = VS and VIL = GND + 1.7 V, making it ideal for top-rail gamma references. Channels B–D use PNP input stages with symmetrical VIH/VIL centered around VS/2 - matching mid-range gamma string requirements. This architecture minimizes voltage error across the full 10-point gamma curve in ADD8706ACPZ-REEL7.
Can the ADD8706ACPZ-REEL7 replace discrete op-amp solutions in existing TFT LCD designs?
Yes - the ADD8706ACPZ-REEL7 replaces six discrete rail-to-rail op-amps (five gamma + one VCOM) in a single 16-lead TSSOP package. Its pinout and electrical specs (e.g., 15 mA continuous drive on A–E, 35 mA on F) are designed for drop-in replacement in gamma reference ladder circuits, reducing component count, layout area, and calibration complexity versus discrete implementations.
What is the thermal resistance (θJA) of the ADD8706ACPZ-REEL7 package, and how does it affect thermal design?
The ADD8706ACPZ-REEL7 in its 16-lead TSSOP (RU-16) package has θJA = 180°C/W, measured under worst-case PCB conditions. At full load (6 × 750 µA supply current + 35 mA VCOM output), junction temperature rise remains within spec across –40°C to +85°C ambient - enabling reliable operation without heatsinking in typical LCD panel layouts.
ADD8706ACPZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 16-DIP (0.300", 7.62mm)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- -
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 6
- -3db Bandwidth:
- 6 MHz
- Slew Rate:
- 6V/µs
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- -
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-PDIP
ADD8706ACPZ-REEL7 FAQ
1.How can I place an order for ADD8706ACPZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADD8706ACPZ-REEL7 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 ADD8706ACPZ-REEL7 reliable?
The price and inventory of ADD8706ACPZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADD8706ACPZ-REEL7 is usually 5 days.
3.What payment methods are accepted for ADD8706ACPZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADD8706ACPZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADD8706ACPZ-REEL7?
ADD8706ACPZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADD8706ACPZ-REEL7 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 ADD8706ACPZ-REEL7?
For technical support, including ADD8706ACPZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADD8706ACPZ-REEL7 requirements.
6.How does Aetrix verify that ADD8706ACPZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADD8706ACPZ-REEL7 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 ADD8706ACPZ-REEL7 meets industry standards.
7.What is the process for return or replacement of ADD8706ACPZ-REEL7?
All ADD8706ACPZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADD8706ACPZ-REEL7, 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 ADD8706ACPZ-REEL7 part is unused and in its original packaging.
Return procedure for ADD8706ACPZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADD8706ACPZ-REEL7 Tags
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LT6552CS8#PBF
Analog Devices Inc.
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LT6206IMS8#TRPBF
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LT1252CS8#PBF
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MAX4310EUA+
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AD829ARZ
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