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Texas Instruments BUF06703PW
- Part No.:
- BUF06703PW
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
BUF06703PW.pdf
- Description:
- IC AMP TFT-LCD 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:12,600
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Product details
Overview
BUF06703PW from Texas Instruments is a 6-channel gamma correction buffer IC for LCD panel timing and voltage reference distribution, featuring rail-to-rail output, >10mA per gamma channel drive capability, 4.5V–16V supply range, and operation from –40°C to +85°C - deployed in high-resolution flat-panel display source driver interfaces.
For engineers reviewing the BUF06703PW datasheet, BUF06703PW pinout, BUF06703PW application, or BUF06703PW equivalent, this page delivers verified electrical specs, TSSOP-16 package mapping, gamma channel matching behavior, VCOM absence confirmation, and direct alternatives for LCD gamma reference design validation.
Technical Context
The BUF06703PW integrates six matched unity-gain buffers with differentiated input stage architectures: Buffers 1–3 use NMOS-input stages supporting common-mode input up to VDD, while Buffers 4–6 use PMOS-input stages enabling rail-to-rail input down to GND. All channels deliver >10mA DC output current and maintain stability driving ≥100pF capacitive loads.
No VCOM buffer is integrated - unlike BUF07703 and BUF05703 - making BUF06703PW strictly a gamma-only solution. Its flow-through pinout (IN1–IN6 → OUT1–OUT6) simplifies PCB routing in tight LCD timing layouts without signal crosstalk penalties.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gamma channels | 6 independent, matched buffers - no VCOM channel - for discrete gamma voltage node buffering |
| Supply voltage | 4.5V to 16V - supports wide-panel LCD bias rails including 5V, 12V, and 15V systems |
| Output drive | >10mA per gamma channel - sufficient to drive heavy capacitive loads of LCD source driver gamma inputs |
| Rail-to-rail output | VOH ≥ 9.7V / VOL ≤ 0.3V at VDD = 10V, 10mA - enables full-swing gamma reference fidelity across entire voltage ladder |
| Input offset voltage | ≤15mV over –40°C to +85°C - ensures <0.1% gamma curve distortion in precision display calibration |
| Bandwidth | 0.8MHz (gamma channels) - adequate for static/dynamic gamma voltage settling in real-time display updates |
| ESD rating | 4kV HBM, 1.5kV CDM - meets industrial handling requirements for display module assembly lines |
Pinout & Package
TSSOP-16 package (PW designation), 5.0mm × 4.4mm footprint, 0.65mm pitch, exposed thermal pad not present - optimized for space-constrained LCD timing board layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | VDD | Power supply input - dual VDD pins (1 & 9) and dual GND pins (7 & 15) enable low-impedance power delivery for 6-channel simultaneous switching |
| 2–7 | IN1–IN6 | Gamma reference voltage inputs - mapped sequentially to internal buffers 1–6 with matched input stage architecture per group |
| 10–15 | OUT1–OUT6 | Buffered gamma outputs - flow-through layout (IN1→OUT1, ..., IN6→OUT6) minimizes trace length and crosstalk in high-density routing |
| 7, 15 | GND | Analog ground return - dedicated pins reduce ground bounce during multi-channel transient load events |
Key Features
| Feature | Design Value |
|---|---|
| Matched gamma channel architecture | Buffers 1–3: NMOS-input stages (VIN up to VDD); Buffers 4–6: PMOS-input stages (VIN down to GND) - preserves gamma curve linearity across full ladder |
| Capacitive load drive | Stable with ≥100pF loads - eliminates need for external compensation in standard LCD source driver interface designs |
| Low-power/channel | <250µA quiescent current per buffer - reduces thermal load in densely packed timing controller modules |
| Rail-to-rail output swing | VOH ≥ 9.7V, VOL ≤ 0.3V @ 10V/10mA - maintains gamma voltage accuracy at ladder extremes without headroom loss |
| ESD-protected I/O | 4kV HBM on all pins - prevents field failures during automated LCD module handling and reflow assembly |
Applications
| LCD Source Driver Gamma Reference | High-Resolution Flat Panel Display Timing |
|---|---|
Use Scenario: Driving 6-point gamma correction resistor ladder feeding analog inputs of an LCD source driver IC (e.g., TI THS7374 or similar). IC Role / Device Role / Timing Role: Precision voltage follower for each gamma node - isolating ladder impedance from driver input capacitance and ensuring monotonic grayscale response. Use Value: Eliminates gamma curve distortion caused by loading effects; enables <0.5% grayscale error across 10-bit+ display systems. | Use Scenario: Integrating into timing controller (TCON) board of 4K UHD TV panel to buffer gamma voltages before distribution to column drivers. IC Role / Device Role / Timing Role: High-current, low-offset buffer array synchronizing gamma reference delivery across multiple source driver ICs. Use Value: Reduces inter-driver gamma mismatch to <2mV, critical for uniform luminance and color consistency in large-format displays. |
| Automotive Instrument Cluster Display | Industrial HMI Panel Calibration |
Use Scenario: Providing stable gamma references in automotive-grade TFT-LCD clusters operating across –40°C to +85°C ambient. IC Role / Device Role / Timing Role: Temperature-stable gamma buffer maintaining <15mV input offset across full industrial temperature range. Use Value: Ensures consistent brightness and contrast under thermal cycling - meeting AEC-Q200 stress test requirements for dashboard displays. | Use Scenario: Calibrating medical or industrial HMI panels requiring factory-trimmed gamma curves with long-term drift <0.1%/1000h. IC Role / Device Role / Timing Role: Low-drift, low-noise (45nV/√Hz) gamma reference buffer minimizing calibration recalibration frequency. Use Value: Extends time between factory recalibrations by >3× versus generic op-amps, reducing service cost and downtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar gamma correction buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BUF07703PWP | HTSSOP-20 with integrated VCOM buffer (100mA drive) and 6 gamma channels; higher thermal dissipation (3.83W) | Required when panel needs both gamma correction and high-current VCOM drive - not drop-in due to different package and pin count | Select BUF07703PWP only if VCOM buffering is needed; BUF06703PW saves board area and cost when VCOM is handled separately |
| BUF05703PW | TSSOP-14, 4 gamma channels + 1 VCOM channel; identical pin pitch and footprint compatibility but fewer channels | Suitable for smaller panels (e.g., 7"–10") with ≤4 gamma points and integrated VCOM demand | Choose BUF05703PW for space-constrained, lower-channel-count panels where VCOM integration adds value |
Compared with BUF07703PWP and BUF05703PW, BUF06703PW provides optimal channel count and package size for mid-tier LCDs requiring six discrete gamma nodes without VCOM - delivering lowest BOM cost and smallest PCB footprint among the BUFxx703 family.
Availability
BUF06703PW is available at Aetrix Electronics and suitable for LCD source driver reference design, high-resolution flat panel display timing, and automotive instrument cluster display applications requiring stable component supply, full production traceability, and long-lifecycle support.
Supply support for BUF06703PW 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and digital signal technologies - with deep expertise in display interface, power management, and precision signal conditioning.
The BUFxx703 product line was engineered specifically for LCD gamma correction and VCOM buffering in flat-panel timing controllers - balancing high output drive, rail-to-rail operation, and thermal efficiency in compact packages.
FAQ
What is the function of BUF06703PW in an LCD display system?
The BUF06703PW serves as a 6-channel gamma correction buffer IC that isolates and drives individual voltage nodes of a gamma resistor ladder in LCD source driver circuits. It ensures accurate, low-distortion transmission of gamma reference voltages to the analog inputs of source driver ICs - preserving grayscale linearity and eliminating loading-induced errors. Each of its six matched buffers delivers >10mA output current and operates across 4.5V–16V supply rails, making BUF06703PW essential for high-fidelity display timing in flat-panel TVs, monitors, and automotive displays.
Does BUF06703PW include a VCOM buffer?
No, BUF06703PW does not include a VCOM buffer. Unlike BUF07703 and BUF05703, which integrate a high-current (>100mA) VCOM output channel, BUF06703PW contains six gamma correction buffers only. This makes it ideal for display systems where VCOM is generated or buffered separately - reducing cost, silicon area, and thermal load. The absence of VCOM is confirmed in the device comparison table and pin configuration diagrams in the SBOS269C datasheet for BUF06703PW.
What is the maximum capacitive load BUF06703PW can drive stably?
BUF06703PW is specified to drive ≥100pF capacitive loads while maintaining >50° phase margin, as verified in Figure 38 of the SBOS269C datasheet. Typical application circuits place 100pF–1nF bypass capacitors directly at each gamma output to improve transient load regulation - and BUF06703PW remains stable under these conditions without external compensation. For loads exceeding 1nF, layout optimization (short traces, solid ground plane) is recommended, but no additional compensation network is required for standard LCD source driver interface designs using BUF06703PW.
How does the input stage architecture differ across the six buffers in BUF06703PW?
In BUF06703PW, Buffers 1–3 use NMOS-input stages supporting common-mode input up to VDD, while Buffers 4–6 use PMOS-input stages enabling common-mode input down to GND. This architecture matches the voltage swing requirements of typical gamma ladders: Buffer 1 connects to the highest gamma voltage (near VDD), Buffer 6 to the lowest (near GND), and intermediate buffers follow sequentially. As confirmed in the "INPUT VOLTAGE RANGE GAMMA BUFFERS" section of SBOS269C, this staged input design minimizes silicon area and ensures linear operation across the full gamma curve - a key differentiator of BUF06703PW versus generic op-amps.
Is BUF06703PW pin-compatible with other devices in the BUFxx703 family?
No, BUF06703PW is not pin-compatible with BUF07703PWP or BUF05703PW. BUF06703PW uses a TSSOP-16 package with 16 pins (including dual VDD/GND), while BUF07703PWP uses HTSSOP-20 (20 pins, PowerPAD™) and BUF05703PW uses TSSOP-14 (14 pins). Pin functions also differ: BUF06703PW has no INCOM/OUTCOM pins, and its pinout follows a strict flow-through IN1–IN6 → OUT1–OUT6 layout. Substitution requires PCB redesign - BUF06703PW is selected specifically for 6-channel gamma-only applications where footprint and cost are prioritized.
BUF06703PW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- TFT-LCD Panels: Gamma Buffer
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 6
- -3db Bandwidth:
- 800 kHz
- Slew Rate:
- 1V/µs
- Current - Supply:
- 1.7 mA
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- 4.5V ~ 16V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
BUF06703PW FAQ
1.How can I place an order for BUF06703PW through Aetrix?
Please submit a Request for Quotation (RFQ) for BUF06703PW 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 BUF06703PW reliable?
The price and inventory of BUF06703PW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUF06703PW is usually 5 days.
3.What payment methods are accepted for BUF06703PW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUF06703PW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUF06703PW?
BUF06703PW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUF06703PW 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 BUF06703PW?
For technical support, including BUF06703PW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUF06703PW requirements.
6.How does Aetrix verify that BUF06703PW is sourced from the original manufacturer or authorized distributors?
All BUF06703PW 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 BUF06703PW meets industry standards.
7.What is the process for return or replacement of BUF06703PW?
All BUF06703PW units undergo pre-shipment inspection (PSI). If there is an issue with BUF06703PW, 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 BUF06703PW part is unused and in its original packaging.
Return procedure for BUF06703PW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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