My Inquiry
My Account
Texas Instruments BUF05704AIPWP
- Part No.:
- BUF05704AIPWP
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 14-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
BUF05704AIPWP.pdf
- Description:
- IC AMP TFT-LCD 14HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,802
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BUF05704AIPWP from Texas Instruments is a 4-channel gamma correction buffer with integrated VCOM driver, designed for high-resolution LCD panel timing and voltage reference distribution. It delivers >30 mA per gamma channel (0.5 V swing to rails) and >100 mA on VCOM (2 V swing), operates from 4.5 V to 18 V, and supports −25°C to +85°C industrial temperature range in TSSOP-14 PowerPAD package.
For engineers reviewing the BUF05704AIPWP datasheet, BUF05704AIPWP pinout, BUF05704AIPWP application, or BUF05704AIPWP equivalent, this page provides verified specifications, real-world LCD source driver interface context, thermal design guidance for PowerPAD, and validated alternative options for gamma/VCOM buffer selection in TV and monitor designs.
Technical Context
The BUF05704AIPWP implements dual-input-stage architecture: gamma buffers 1–2 use NMOS input stages (common-mode range up to VDD), while buffers 3–4 use PMOS input stages (common-mode range down to GND). This enables precise matching to gamma ladder voltage distribution across full rail-to-rail swing.
VCOM buffer employs a high-current output stage optimized for capacitive load drive (>100 mA, >2 V swing) and low load regulation (<5 mV/mA), supporting direct connection to LCD panel common electrode without external amplification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gamma channels | 4 independent rail-to-rail buffers for gamma reference voltage distribution |
| VCOM channel | 1 integrated high-drive buffer (>100 mA typ) for LCD panel common electrode |
| Supply voltage | 4.5 V to 18 V - enables brighter images and faster response in large-screen LCDs |
| Output current (gamma) | >30 mA at 0.5 V swing to rails - sufficient to drive heavy gamma ladder loads |
| Output current (VCOM) | >100 mA typ at 2 V swing to rails - meets peak current demands of large-panel VCOM |
| ESD rating | 8 kV HBM, 2 kV CDM, 300 V MM - ensures robustness during PCB assembly and field operation |
| Operating temperature | −25°C to +85°C - qualified for industrial and consumer display applications |
Pinout & Package
TSSOP-14 PowerPAD package with exposed thermal pad requiring solder connection to PCB ground plane for thermal and mechanical integrity. Pin 1 = VDD, Pin 7 = GND, Pin 14 = GND; thermal pad must be connected to most negative supply (GND).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8 | VDD | Main power supply input (4.5–18 V); dual VDD pins reduce IR drop and improve PSRR |
| 2 | OUT1 | Gamma channel 1 output - NMOS-input stage, optimized for high-side gamma voltages |
| 3 | OUT2 | Gamma channel 2 output - NMOS-input stage, matches OUT1 for ladder symmetry |
| 4 | OUT3 | Gamma channel 3 output - PMOS-input stage, optimized for mid-to-low gamma voltages |
| 5 | OUT4 | Gamma channel 4 output - PMOS-input stage, complements OUT3 for full ladder coverage |
| 6 | OUTCOM | VCOM driver output - high-current stage capable of sourcing/sinking >100 mA |
| 7, 14 | GND | Power and signal return; both pins required for low-impedance path and thermal conduction |
| 9 | IN1 | Gamma channel 1 input - accepts reference voltage from resistor ladder top node |
| 10 | IN2 | Gamma channel 2 input - connects to second ladder tap; matched offset with IN1 |
| 11 | IN3 | Gamma channel 3 input - PMOS-input, accepts mid-ladder voltage near VDD/2 |
| 12 | IN4 | Gamma channel 4 input - PMOS-input, accepts low-ladder voltage near GND |
| 13 | INCOM | VCOM reference input - accepts stabilized VCOM reference for closed-loop control |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Enables full utilization of gamma ladder voltage range without headroom loss |
| Flow-through pinout | Minimizes PCB trace crossovers and simplifies layout for compact LCD timing modules |
| Integrated VCOM buffer | Eliminates need for discrete op-amp, reducing BOM count and board area by ~30% |
| Large capacitive load drive | Stable operation with >100 pF output capacitance - supports standard gamma decoupling caps |
| Low-power/channel | <500 µA quiescent current per channel - critical for energy-efficient TV standby modes |
Applications
| LCD TV Source Driver Interface | Monitor Gamma Calibration System |
|---|---|
Use Scenario: Driving 4-point gamma reference inputs of a 1080p LCD source driver IC in a 43-inch TV panel. IC Role / Device Role / Timing Role: Buffers resistor-ladder gamma voltages (GMA1–GMA4) and supplies VCOM to panel backplane. Use Value: Delivers >30 mA per gamma channel and >100 mA on VCOM while maintaining <150 mV rail margin at 10 mA load - ensuring stable grayscale reproduction under dynamic video content. |
Use Scenario: Precision gamma tuning in factory calibration of commercial-grade 27-inch IPS monitors. IC Role / Device Role / Timing Role: Provides programmable gamma reference setpoints and active VCOM biasing during automated optical measurement cycles. Use Value: Input offset voltage <30 mV across −25°C to +85°C ensures repeatable calibration accuracy without software compensation. |
| Industrial HMI Display Module | Medical Imaging LCD Backlight Control |
Use Scenario: Embedded human-machine interface in factory automation panel with extended temperature operation. IC Role / Device Role / Timing Role: Supplies gamma references and VCOM for ruggedized 1280×800 TFT display operating continuously at 70°C ambient. Use Value: Specified −25°C to +85°C operation and 8 kV HBM ESD rating ensure reliability in uncontrolled industrial environments. |
Use Scenario: High-fidelity grayscale rendering in diagnostic-grade medical LCDs used in radiology workstations. IC Role / Device Role / Timing Role: Maintains gamma curve fidelity across luminance levels by driving source driver references with <0.1% gain error and 85 dB crosstalk rejection. Use Value: 85 dB crosstalk suppression prevents interference between adjacent gamma channels - preserving DICOM GSDF compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar gamma correction buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BUF07704AIPW | 6 gamma channels + 1 VCOM; TSSOP-20; higher channel count, larger footprint | Required when 6 gamma reference points needed (e.g., 4K UHD panels) | Select BUF07704AIPW only if design requires ≥6 gamma points - avoids overdesign with unused channels |
| BUF11704AIPWP | 10 gamma channels + 1 VCOM; TSSOP-28; highest density, highest thermal dissipation (3.58 W) | Suitable for premium TV panels with 10+ gamma points and high-brightness requirements | Choose BUF11704AIPWP only when full 10-channel gamma ladder is implemented - not for cost-sensitive 4-channel systems |
Compared with BUF07704AIPW and BUF11704AIPWP, the BUF05704AIPWP offers optimal BOM and layout efficiency for 4-gamma-point LCD designs, minimizing PCB area and thermal management complexity while delivering identical VCOM drive capability and ESD robustness.
Availability
BUF05704AIPWP is available at Aetrix Electronics and suitable for LCD TV manufacturing, industrial HMI development, and medical display calibration requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for BUF05704AIPWP 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 for industrial, automotive, and consumer applications.
The BUFxx704 product line was developed specifically to address high-voltage, multi-channel gamma correction and VCOM drive needs in modern LCD panels - enabling brighter, faster, and more energy-efficient displays.
FAQ
What is the maximum supply voltage for BUF05704AIPWP?
The absolute maximum supply voltage for BUF05704AIPWP is 19 V, with recommended operation up to 18 V. Operating at 18 V enables faster response times and higher brightness in large-screen LCD panels, as confirmed in the SBOS277F datasheet Absolute Maximum Ratings and Recommended Operating Conditions tables.
Does BUF05704AIPWP include an integrated VCOM buffer?
Yes, BUF05704AIPWP integrates one VCOM buffer with >100 mA typical output current at 2 V swing to rails. This is explicitly stated in the model table (BUF05704 = 4 gamma + 1 VCOM) and verified in Electrical Characteristics sections for VCOM sourcing/sinking performance across temperature.
What package type does BUF05704AIPWP use?
BUF05704AIPWP uses the TSSOP-14 PowerPAD package (orderable designation PWP). The exposed thermal pad must be soldered to a PCB copper area connected to GND for thermal and mechanical integrity - detailed in the General PowerPAD Design Considerations section of SBOS277F.
How many gamma correction channels does BUF05704AIPWP provide?
BUF05704AIPWP provides exactly 4 gamma correction channels (OUT1–OUT4, IN1–IN4), as defined in the model table and confirmed in the BUF05704-specific Electrical Characteristics and Pin Configuration diagrams in SBOS277F.
What is the operating temperature range of BUF05704AIPWP?
BUF05704AIPWP is specified for −25°C to +85°C operating free-air temperature range, as documented in both Absolute Maximum Ratings and Recommended Operating Conditions tables in SBOS277F. All electrical parameters are guaranteed across this full range.
BUF05704AIPWP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-PowerTSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- TFT-LCD Panels: Gamma Buffer, VCOM Driver
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 4
- -3db Bandwidth:
- 1 MHz
- Slew Rate:
- 1.6V/µs
- Current - Supply:
- 5 mA
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- 4.5V ~ 18V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 14-HTSSOP
BUF05704AIPWP FAQ
1.How can I place an order for BUF05704AIPWP through Aetrix?
Please submit a Request for Quotation (RFQ) for BUF05704AIPWP 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 BUF05704AIPWP reliable?
The price and inventory of BUF05704AIPWP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUF05704AIPWP is usually 5 days.
3.What payment methods are accepted for BUF05704AIPWP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUF05704AIPWP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUF05704AIPWP?
BUF05704AIPWP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUF05704AIPWP 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 BUF05704AIPWP?
For technical support, including BUF05704AIPWP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUF05704AIPWP requirements.
6.How does Aetrix verify that BUF05704AIPWP is sourced from the original manufacturer or authorized distributors?
All BUF05704AIPWP 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 BUF05704AIPWP meets industry standards.
7.What is the process for return or replacement of BUF05704AIPWP?
All BUF05704AIPWP units undergo pre-shipment inspection (PSI). If there is an issue with BUF05704AIPWP, 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 BUF05704AIPWP part is unused and in its original packaging.
Return procedure for BUF05704AIPWP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BUF05704AIPWP Tags
-
LT6552CS8#PBF
Analog Devices Inc.
-
LT6205IS5#TRPBF
Analog Devices Inc.
-
LT6206IMS8#TRPBF
Analog Devices Inc.
-
LT6552CDD#PBF
Analog Devices Inc.
-
LT6552IS8#PBF
Analog Devices Inc.
-
LT1252CS8#PBF
Analog Devices Inc.
-
AD818ARZ-REEL7
Analog Devices Inc.
-
MAX4310EUA+
Analog Devices Inc./Maxim Integrated
-
AD829ARZ
Analog Devices Inc.
-
AD810ARZ
Analog Devices Inc.
-
MAX4310ESA+
Analog Devices Inc./Maxim Integrated
-
MAX4313ESA+
Analog Devices Inc./Maxim Integrated
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…
