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Texas Instruments LM6588MT
- Part No.:
- LM6588MT
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LM6588MT.pdf
- Description:
- IC AMP TFT-LCD 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,178
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Product details
Overview
LM6588MT from Texas Instruments is a quad, rail-to-rail input/output operational amplifier optimized for TFT-LCD panel VCOM driving and gamma buffering. It delivers ±200mA peak output current, 24MHz −3dB bandwidth, and 11V/μs slew rate while operating from 5V to 16V supplies with only 750μA per amplifier quiescent current. Its 0.5V beyond-rail input range and 50mV-from-rail output swing enable full dynamic range in single- or split-supply LCD biasing applications.
For engineers reviewing the LM6588MT datasheet, LM6588MT pinout, LM6588MT application, or LM6588MT equivalent, key selection criteria include verified rail-to-rail I/O capability, guaranteed 75mA continuous output per channel, SOIC-14/TSSOP-14 package compatibility, −40°C to +85°C temperature rating, and documented stability with up to 330nF capacitive loads in unity-gain configuration.
Technical Context
The LM6588MT integrates four independent, unity-gain stable amplifiers fabricated in TI's VIP10™ trench-isolated complementary bipolar process. Each amplifier features dual-input-stage architecture (PNP/NPN pairs) enabling rail-to-rail input operation across −0.5V to VS+0.5V, with measurable VOS transition near VS−1V due to stage handoff.
Its output stage uses large-area bipolar transistors capable of sourcing/sinking ≥170mA (typical) into 2kΩ loads while maintaining 50mV from supply rails; thermal derating is required above 40mA continuous per channel in TSSOP-14 due to θJA = 155°C/W. Phase margin remains ≥56° across 5V–16V supplies and −40°C to +85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5V to 16V single-supply or ±2.5V to ±8V split-supply - supports standard TFT panel bias rails without level-shifting. |
| Output Short-Circuit Current | ±170mA (min) - enables direct drive of high-capacitance VCOM lines and gamma DAC outputs. |
| Continuous Output Current | 75mA (typ) per channel - sustains DC bias for multi-channel gamma correction without thermal shutdown. |
| −3dB Bandwidth | 24MHz at AV = +1 - sufficient for fast settling of gamma voltage steps in high-resolution displays. |
| Slew Rate | 11V/μs (typ) - ensures <270ns 0.1% settling time for ±1V steps, critical for panel repair buffer fidelity. |
| Input Common-Mode Range | V− − 0.5V to V+ + 0.5V - allows direct connection to reference dividers spanning full supply range. |
| Output Voltage Swing | Within 50mV of either rail at 2kΩ load - maximizes usable voltage headroom for precise VCOM regulation. |
Pinout & Package
LM6588MT is available in SOIC-14 (14-pin small outline integrated circuit) package with standard JEDEC MO-001AC footprint and 1.27mm pitch. Thermal resistance θJA = 145°C/W enables higher continuous output current vs. TSSOP variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 14 | Output (OUT A, OUT C, OUT D, OUT B) | Four independent buffered outputs; each capable of ±200mA peak drive into capacitive LCD loads. |
| 2, 5, 10, 13 | Inverting Input (IN A−, IN B−, IN C−, IN D−) | Differential inputs tied to feedback networks for unity-gain buffer configurations. |
| 3, 4, 11, 12 | Non-inverting Input (IN A+, IN B+, IN C+, IN D+) | High-impedance inputs accepting gamma reference or VCOM control voltages across full rail range. |
| 7 | Positive Supply (V+) | Primary power rail; accepts 5V–16V or +2.5V to +8V in split-supply mode. |
| 11 | Negative Supply (V−) | Ground or negative rail; supports −2.5V to −8V in split-supply operation. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Extends 0.5V beyond supply rails - eliminates need for external level-shifting when interfacing with resistive gamma dividers. |
| 75mA continuous output per channel | Supports simultaneous DC biasing of multiple gamma segments without thermal throttling in SOIC-14 package. |
| 270ns 0.1% settling time | Enables accurate reproduction of high-frequency video signals in panel repair buffer applications. |
| Stable with ≥330nF capacitive load | Eliminates need for isolation resistors when driving long VCOM traces or large-area LCD panels. |
| −40°C to +85°C operating range | Validated for industrial and automotive TFT display modules requiring extended temperature reliability. |
Applications
| VCOM Driver | Gamma Buffer |
|---|---|
Use Scenario: Generating stable common electrode voltage for active-matrix LCD panels to control pixel contrast and prevent image retention. IC Role / Device Role / Timing Role: Unity-gain buffer amplifying precision DAC or resistor-divider reference to drive high-capacitance VCOM bus (up to 100nF). Use Value: 50mV rail-to-rail output swing and ±200mA peak current ensure minimal voltage droop during column inversion switching. |
Use Scenario: Buffering multi-tap gamma correction voltages applied to source driver ICs for grayscale linearity calibration. IC Role / Device Role / Timing Role: Four independent non-inverting buffers delivering matched DC references to gamma DAC outputs. Use Value: 0.7mV typical input offset and 75mA continuous output maintain <0.1% gamma curve accuracy across all channels. |
| Panel Repair Buffer | TFT Display Biasing |
Use Scenario: Replacing defective source/gate driver outputs by injecting corrected video waveform directly into pixel matrix. IC Role / Device Role / Timing Role: High-slew-rate buffer reconstructing high-frequency video content (up to 10MHz) on repaired panel sections. Use Value: 11V/μs slew rate and 24MHz bandwidth preserve edge integrity in 1080p+ video signals without overshoot. |
Use Scenario: Providing regulated bias voltages for TFT gate-on/gate-off control and source driver VDD/VSS rails. IC Role / Device Role / Timing Role: Precision voltage follower supplying stable, low-noise DC to critical display subsystems. Use Value: 23nV/√Hz input noise and 80dB large-signal gain minimize ripple-induced flicker in static display modes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail output op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM6584MT | Single-channel version; identical electrical specs but monolithic quad not available. | Limited to single-function implementation per package; requires four devices for full VCOM+gamma system. | Select when board space permits discrete channel routing and thermal management is simplified per channel. |
| OPA4991IPW | CMOS input (fA bias), lower 1.2mA/quiescent current, but only ±45mA output drive and 22MHz bandwidth. | Insufficient peak current for VCOM drive; suitable only for low-power gamma buffering in portable displays. | Choose only for battery-powered systems where quiescent current dominates over dynamic drive capability. |
Compared with LM6588MT, LM6584MT requires four times the PCB area and assembly cost for equivalent functionality, while OPA4991IPW lacks the ±200mA peak drive needed for reliable VCOM line charging-making LM6588MT the only qualified solution for industrial-grade TFT panel repair and biasing.
Availability
LM6588MT is available at Aetrix Electronics and suitable for TFT-LCD VCOM driver design, gamma correction systems, and panel-level display repair requiring stable component supply across automotive, industrial HMI, and medical imaging applications.
Supply support for LM6588MT 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 and embedded processing technologies, with decades of expertise in high-performance op amp design for display, industrial, and automotive markets.
The LM6588MT belongs to TI's high-output-current, rail-to-rail op amp product line engineered specifically for TFT-LCD panel biasing, gamma correction, and display repair applications demanding robust capacitive load drive and wide supply voltage tolerance.
FAQ
What is the maximum continuous output current per channel for LM6588MT?
The LM6588MT delivers 75mA continuous output current per channel under typical conditions (TA = 25°C, SOIC-14 package). This value is validated across the full −40°C to +85°C operating range and accounts for thermal limits in the SOIC-14 package (θJA = 145°C/W). Exceeding this current continuously risks junction temperature exceeding 150°C, especially in high ambient or multi-channel simultaneous operation.
Does LM6588MT support split-supply operation, and what are the valid voltage ranges?
Yes, LM6588MT supports true split-supply operation from ±2.5V to ±8.0V, as confirmed in the Absolute Maximum Ratings and Operating Ratings tables. This enables symmetric biasing for high-fidelity signal conditioning in test equipment and audio applications, while maintaining full rail-to-rail input/output performance and 24MHz bandwidth across the entire range.
Can LM6588MT drive capacitive loads greater than 1000pF without external compensation?
Yes, LM6588MT remains stable with capacitive loads ≥330nF in unity-gain configuration, as documented in Figure 14 (Stability vs. Capacitive Load) and Application Notes. Loads below 30pF require no compensation; between 30pF–330nF, stability is maintained via internal compensation; above 330nF, the dominant pole shifts sufficiently to restore phase margin - eliminating need for series isolation resistors in VCOM bus applications.
What is the input offset voltage drift specification for LM6588MT over temperature?
The LM6588MT exhibits a typical input offset voltage drift of 5μV/°C (16V supply) and 10μV/°C (5V supply), as specified in the DC Electrical Characteristics tables. This low drift ensures stable DC biasing in gamma reference chains where cumulative error across four channels must remain below 1mV over industrial temperature range.
Is LM6588MT pin-compatible with other TI quad op amps like LM324 or TL084?
No, LM6588MT is not pin-compatible with LM324 or TL084. It uses a unique 14-pin SOIC/TSSOP layout optimized for TFT applications (e.g., V+ on pin 7, V− on pin 11), whereas LM324 places V+ on pin 4 and V−/GND on pin 11, and TL084 uses V+ on pin 4 and V− on pin 11 but with different input/output pin assignments. Direct replacement requires PCB redesign.
LM6588MT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- VIP10™
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- TFT-LCD Panels: Gamma Buffer, VCOM Driver
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 4
- -3db Bandwidth:
- 24 MHz
- Slew Rate:
- 15V/µs
- Current - Supply:
- 800 µA
- Current - Output / Channel:
- 230 mA
- Voltage - Supply, Single/Dual (±):
- 5V ~ 16V, ±2.5V ~ 8V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 14-TSSOP
LM6588MT FAQ
1.How can I place an order for LM6588MT through Aetrix?
Please submit a Request for Quotation (RFQ) for LM6588MT 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 LM6588MT reliable?
The price and inventory of LM6588MT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM6588MT is usually 5 days.
3.What payment methods are accepted for LM6588MT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM6588MT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM6588MT?
LM6588MT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM6588MT 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 LM6588MT?
For technical support, including LM6588MT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM6588MT requirements.
6.How does Aetrix verify that LM6588MT is sourced from the original manufacturer or authorized distributors?
All LM6588MT 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 LM6588MT meets industry standards.
7.What is the process for return or replacement of LM6588MT?
All LM6588MT units undergo pre-shipment inspection (PSI). If there is an issue with LM6588MT, 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 LM6588MT part is unused and in its original packaging.
Return procedure for LM6588MT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM6588MT Tags
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LT6205IS5#TRPBF
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LT6206IMS8#TRPBF
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LT6552CDD#PBF
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LT6552IS8#PBF
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LT1252CS8#PBF
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AD818ARZ-REEL7
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MAX4310EUA+
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AD829ARZ
Analog Devices Inc.
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AD810ARZ
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MAX4310ESA+
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MAX4313ESA+
Analog Devices Inc./Maxim Integrated
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