My Inquiry
My Account
Analog Devices Inc. ADD8504WRUZ-REEL7
- Part No.:
- ADD8504WRUZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADD8504WRUZ-REEL7.pdf
- Description:
- IC AMP TFT-LCD 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,799
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADD8504WRUZ-REEL7 from Analog Devices is a 4-channel, muxed-input LCD gamma reference buffer designed to drive column driver resistor ladders in line-inversion LCD panels. It features rail-to-rail input/output, 380 mA output current per channel, 3.9 mA supply current, and operates from 3.3 V to 6.5 V across −40°C to +105°C - enabling use in automotive infotainment displays.
For engineers reviewing the ADD8504WRUZ-REEL7 datasheet, ADD8504WRUZ-REEL7 pinout, ADD8504WRUZ-REEL7 application, or ADD8504WRUZ-REEL7 equivalent, key selection criteria include channel count (4), A/B input multiplexing for dual gamma curve selection, high-current rail-to-rail output drive, TSSOP-16 packaging, and automotive-grade temperature range compliance.
Technical Context
The ADD8504WRUZ-REEL7 implements four independent CMOS buffer channels, each with dual analog inputs (INAx/INBx) selected by a single logic-controlled A/B terminal. Its architecture supports dynamic gamma voltage switching without external multiplexers, reducing signal path complexity in LCD timing-critical systems.
Each channel delivers ≥120 mA short-circuit current and maintains stability with 1 nF capacitive loads, while its 7.0 V/μs slew rate and 6 μs settling time (CL = 200 pF, RL = 10 kΩ) ensure fast, low-distortion response to gamma reference transients in high-resolution automotive display drivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel Count | 4 independent gamma reference buffers with A/B input selection per channel. |
| Supply Voltage Range | 3.3 V to 6.5 V - compatible with standard automotive 5 V rails and industrial 3.3 V systems. |
| Output Current | 380 mA short-circuit current - sufficient to drive low-impedance gamma resistor ladders without gain degradation. |
| Slew Rate | 7.0 V/μs (CL = 15 pF) - enables rapid settling of gamma reference steps during frame updates. |
| Operating Temperature | −40°C to +105°C - qualified for under-hood and dashboard-mounted automotive LCD applications. |
| Package | 16-lead Pb-free TSSOP (RU-16) - surface-mount compatible with automated assembly and thermal performance θJA = 150°C/W. |
| Input Offset Voltage | 20 mV max - ensures minimal gamma voltage error across all 4 channels at full temperature range. |
Pinout & Package
ADD8504WRUZ-REEL7 is housed in a 16-lead thin shrink small outline package (TSSOP, RU-16), measuring 4.4 mm × 5.0 mm × 1.2 mm, with 0.65 mm lead pitch and JEDEC MO-153-AB compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 7 (INA1–INA4) | Analog Input A | Selectable positive-gamma reference input per channel; rail-to-rail capable. |
| 2, 4, 6, 8 (INB1–INB4) | Analog Input B | Selectable negative-gamma reference input per channel; enables line inversion support. |
| 9, 10, 16, 15 (OUT4–OUT1) | Analog Output | High-current buffered gamma reference outputs; drive column driver resistor ladders directly. |
| 11, 12 (GND) | Ground | Dual ground pins reduce impedance in high-current return paths and improve PSRR. |
| 13 (A/B) | Digital Control Input | Logic-high selects INAx; logic-low selects INBx - synchronously switches all 4 channels. |
| 14 (VCC1) | Power Supply | Primary 3.3–6.5 V supply input; requires local 0.1 µF bypass capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full-scale gamma voltage utilization across 0 V to VCC without headroom loss. |
| 380 mA output current | Drives low-resistance gamma ladders without external amplification or buffering stages. |
| Stable with 1 nF load | Eliminates need for series output resistors that degrade gamma accuracy and transient response. |
| Low 3.9 mA supply current | Reduces power dissipation in multi-channel display subsystems with tight thermal budgets. |
| Automotive temperature range | Validated operation from −40°C to +105°C meets AEC-Q100 stress test requirements for infotainment modules. |
Applications
| Car Navigation Panels | Personal Media Player Panels |
|---|---|
Use Scenario: High-contrast, sunlight-readable TFT-LCDs in vehicle navigation units requiring precise grayscale reproduction across wide ambient temperatures. IC Role / Device Role / Timing Role: Gamma reference buffer delivering stable, high-current analog voltages to column driver ICs for line-inversion driving. Use Value: Maintains consistent gamma curve fidelity despite engine bay thermal cycling and electrical noise, preventing color banding or brightness shift. |
Use Scenario: Portable media players with compact 3.5″–5″ LCDs needing low-power, space-efficient gamma correction. IC Role / Device Role / Timing Role: 4-channel A/B-selectable buffer generating dual-polarity gamma references for active matrix TFT biasing. Use Value: Enables dynamic gamma switching between video and UI modes using a single control pin, reducing BOM count and PCB area. |
| Automotive Infotainment Systems | Industrial HMI Displays |
Use Scenario: Central display units in modern vehicles integrating touch, audio, and vehicle data with high-resolution LCDs. IC Role / Device Role / Timing Role: Critical gamma reference stage ensuring accurate color rendering during rapid screen transitions and backlight dimming cycles. Use Value: 7.0 V/μs slew rate and 6 μs settling guarantee artifact-free motion rendering in animated menus and navigation maps. |
Use Scenario: Factory-floor HMIs exposed to vibration, EMI, and extended temperature swings requiring robust display calibration. IC Role / Device Role / Timing Role: Precision buffer isolating sensitive gamma ladder networks from column driver switching noise and supply ripple. Use Value: 20 mV max input offset and <50 nA input bias current preserve gamma ladder accuracy over 10+ year operational life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD gamma buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADD8505WRUZ-REEL7 | 5-channel version in 20-lead TSSOP; 4.4 mA typical supply current; identical A/B mux architecture and 380 mA output capability. | Supports larger LCD panels requiring five gamma reference points; occupies more PCB area and requires additional routing. | Select when system design mandates 5 distinct gamma reference levels - not a drop-in replacement due to pin count and layout change. |
| ADD8506WRUZ-REEL7 | 6-channel version in 24-lead TSSOP; 5.1 mA max supply current; adds third VCC pin (VCC3) and two extra I/O pairs (INA6/INB6, OUT6). | Targeted at high-end automotive center consoles and digital instrument clusters with 6+ gamma segments. | Choose only if 6-channel support is required; incompatible pinout and footprint prevent direct substitution. |
Compared with ADD8504WRUZ-REEL7, the ADD8505WRUZ-REEL7 and ADD8506WRUZ-REEL7 extend channel count but increase package size, supply current, and PCB routing complexity - making ADD8504WRUZ-REEL7 optimal for cost- and space-constrained 4-gamma-line designs.
Availability
ADD8504WRUZ-REEL7 is available at Aetrix Electronics and suitable for automotive infotainment systems, car navigation panels, and industrial HMI displays requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADD8504WRUZ-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 ADD8504WRUZ-REEL7 belongs to Analog Devices' LCD gamma reference buffer product line, engineered specifically for high-fidelity grayscale reproduction in automotive and portable display systems with line-inversion driving schemes.
FAQ
What is the primary function of the ADD8504WRUZ-REEL7 in an LCD system?
The ADD8504WRUZ-REEL7 serves as a 4-channel gamma reference buffer that drives the resistor ladders inside LCD column driver ICs. It accepts dual gamma voltage inputs (INAx/INBx) per channel and uses a single A/B control signal to select between them, enabling line-inversion driving for improved image quality and reduced flicker in automotive and portable displays. Each channel delivers up to 380 mA to maintain gamma accuracy under load.
Does the ADD8504WRUZ-REEL7 support automotive qualification standards?
Yes, the ADD8504WRUZ-REEL7 is specified for operation from −40°C to +105°C and is qualified for automotive applications per Analog Devices' internal reliability standards. While it is not branded as an AEC-Q100 part like the ADD8506WWARUZR7, its temperature rating, Pb-free TSSOP packaging, and tested ESD performance (4.0 kV HBM) align with Tier-1 automotive subsystem requirements for infotainment and navigation displays.
Can the ADD8504WRUZ-REEL7 drive capacitive loads commonly found in LCD column driver inputs?
Yes, the ADD8504WRUZ-REEL7 is explicitly characterized for stability with 1 nF capacitive loads and exhibits 7.0 V/μs slew rate and 6 μs settling time (CL = 200 pF, RL = 10 kΩ). Its output stage is optimized for driving both resistive gamma ladders and parasitic capacitances inherent in column driver IC inputs - eliminating the need for series damping resistors that compromise gamma fidelity.
How does the A/B control pin affect all four channels of the ADD8504WRUZ-REEL7?
The A/B pin on the ADD8504WRUZ-REEL7 is a global control input that simultaneously selects either INA1–INA4 or INB1–INB4 across all four channels. When A/B is logic high, all outputs follow their respective INA inputs; when low, all follow INB inputs. This synchronized switching enables seamless line-inversion operation without timing skew between channels, critical for artifact-free LCD panel driving.
What is the recommended power supply decoupling for the ADD8504WRUZ-REEL7?
Analog Devices recommends placing a 0.1 µF ceramic capacitor between VCC1 (Pin 14) and GND (Pins 11/12), located as close as possible to the device. For systems with high peak current demands, adding a 1 µF–10 µF bulk capacitor nearby improves transient response. The dual GND pins must be connected to a low-impedance ground plane to minimize noise coupling into the gamma reference paths of the ADD8504WRUZ-REEL7.
ADD8504WRUZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- TFT-LCD Panels: Gamma Buffer
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 4
- -3db Bandwidth:
- -
- Slew Rate:
- 7V/µs
- Current - Supply:
- 2.7 mA
- Current - Output / Channel:
- 380 mA
- Voltage - Supply, Single/Dual (±):
- 3.3V ~ 6.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
ADD8504WRUZ-REEL7 FAQ
1.How can I place an order for ADD8504WRUZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADD8504WRUZ-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 ADD8504WRUZ-REEL7 reliable?
The price and inventory of ADD8504WRUZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADD8504WRUZ-REEL7 is usually 5 days.
3.What payment methods are accepted for ADD8504WRUZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADD8504WRUZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADD8504WRUZ-REEL7?
ADD8504WRUZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADD8504WRUZ-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 ADD8504WRUZ-REEL7?
For technical support, including ADD8504WRUZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADD8504WRUZ-REEL7 requirements.
6.How does Aetrix verify that ADD8504WRUZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADD8504WRUZ-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 ADD8504WRUZ-REEL7 meets industry standards.
7.What is the process for return or replacement of ADD8504WRUZ-REEL7?
All ADD8504WRUZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADD8504WRUZ-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 ADD8504WRUZ-REEL7 part is unused and in its original packaging.
Return procedure for ADD8504WRUZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADD8504WRUZ-REEL7 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…
