My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX469EWE
- Part No.:
- MAX469EWE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Video Amps and Modules
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX469EWE.pdf
- Description:
- TWO-CHANNEL TRIPLE VIDEO BUFFER
- Quantity:
- Payment:
- Shipping:
Inventory:1,724
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
The MAX469EWE from Maxim Integrated is a triple-channel, unity-gain-stable video buffer IC with 2V/V internal amplifier gain, designed for RGB color video signal conditioning and back-terminated coaxial cable driving. It delivers ±2.0V output swing into 75Ω, 90MHz bandwidth, 0.01% differential gain error, and 20ns channel switching time, enabling broadcast-quality RGB video overlay and medical imaging systems.
For engineers reviewing the MAX469EWE datasheet, MAX469EWE pinout, MAX469EWE application, or MAX469EWE equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, application-specific implementation guidance, and two confirmed alternative parts for RGB video buffer selection.
Technical Context
The MAX469EWE integrates three independent high-speed amplifiers, each internally configured for 2V/V closed-loop gain to deliver unity gain at the output of a 75Ω back-terminated coaxial cable. Its bipolar construction yields only 5pF input capacitance (on or off), minimizing source-load interaction and preserving phase integrity across R/G/B channels.
Channel enable/disable is controlled via TTL-compatible EN, CS, A0, and LE logic inputs, supporting both latched and transparent digital interface modes. Disabled outputs exhibit ~1kΩ resistance - distinct from the 250kΩ seen in unity-gain variants - enabling limited paralleling in multi-channel RGB mux architectures when combined with isolation resistors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 90MHz at 2V/V gain - supports full NTSC/PAL/RGB video baseband without attenuation |
| Differential Gain Error | 0.01% - preserves color fidelity in broadcast-quality composite and RGB systems |
| Differential Phase Error | 0.03° - maintains hue accuracy under dynamic video signal conditions |
| Output Swing | ±2.0V into 75Ω - meets SMPTE/EBU line-driving requirements for back-terminated video |
| Slew Rate | 300V/µs - ensures distortion-free reproduction of fast video transients (e.g., sync pulses) |
| Input Capacitance | 5pF (channel on or off) - eliminates impedance discontinuity during switching, critical for stable RGB timing |
| Channel Switching Time | 20ns - enables sub-pixel-level multiplexing in high-resolution RGB overlay editors |
Pinout & Package
MAX469EWE is housed in a 16-pin wide SO (SOIC-W) package with exposed thermal pad, rated for -40°C to +85°C operation. Pin numbering follows standard SOIC convention, with GND, V+, and V− pins distributed to minimize ground bounce and thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 11, 13, 19 | Analog Ground (GND) | AC-ground reference for analog inputs; must be tied to low-impedance ground plane to suppress crosstalk |
| 2, 4, 5, 12, 13 | Negative Power-Supply Input (V−) | Connect to −5V; serves as thermal path - requires direct connection to large copper pour |
| 10, 14, 17 | Positive Power-Supply Input (V+) | Connect to +5V; bypassed with 0.1µF ceramic capacitor placed <1mm from pin |
| 1, 3 | Analog Input 0 (IN0) | R-channel input; 5pF input capacitance enables stable drive from 250Ω sources |
| 6 | Analog Input 2 (IN2) | B-channel input; isolated by adjacent GND pins to maintain >60dB channel-to-channel crosstalk |
| 16, 18 | Buffered Analog Output 0 (OUT0) | R-channel buffered output; ±2.0V swing into 75Ω supports direct coaxial cable termination |
| 11 | Buffered Analog Output 2 (OUT2) | B-channel output; disabled state presents ~1kΩ load - requires isolation resistor when paralleled |
Key Features
| Feature | Design Value |
|---|---|
| 2V/V internal gain architecture | Delivers unity gain at coaxial cable end with 75Ω back-termination - eliminates external gain-setting components |
| 5pF input capacitance (on/off) | Maintains constant source loading during switching - prevents transient glitches in RGB timing-critical paths |
| 60dB+ channel-to-channel crosstalk | Enables simultaneous RGB routing on shared PCB layers without color bleed or ghosting artifacts |
| Logic disable mode with high-Z outputs | Reduces system power by >50% per channel and allows safe paralleling of up to two MAX469EWE units |
| 20ns channel switching time | Supports pixel-rate switching in RGB video security systems with ≤1080p60 resolution |
Applications
| RGB Medical Imaging | RGB Color Video Security Systems |
|---|---|
|
Use Scenario: Real-time display of high-fidelity RGB endoscopic or ultrasound image streams with minimal latency and zero color distortion. IC Role / Device Role / Timing Role: Triple video buffer conditioning R/G/B signals prior to HDMI encoder or FPGA-based frame buffer interface. Use Value: 0.01% differential gain error ensures accurate tissue color representation; 90MHz bandwidth preserves fine anatomical detail. |
Use Scenario: Multiplexing and distributing live RGB feeds from multiple surveillance cameras to central monitoring stations. IC Role / Device Role / Timing Role: Channel-selectable buffer driving 75Ω coaxial cables over distances up to 100m without repeaters. Use Value: ±2.0V output swing into 75Ω meets SMPTE RP 184 compliance; 20ns switching enables rapid camera selection. |
| RGB Color Video Overlay Editors | Coaxial-Cable Line Drivers |
|
Use Scenario: Real-time compositing of graphics overlays onto live RGB video in broadcast production switchers. IC Role / Device Role / Timing Role: Low-phase-error buffer isolating graphics generator outputs from mixing bus impedance variations. Use Value: 0.03° differential phase error prevents hue shifts during motion; 5pF input capacitance avoids sync pulse jitter. |
Use Scenario: Driving long-haul 75Ω coaxial runs from RGB source equipment (e.g., graphics cards, test instruments) to displays or analyzers. IC Role / Device Role / Timing Role: Final-stage line driver with back-termination support and DC-coupled output capability. Use Value: Internal 2V/V gain + 75Ω termination achieves flat frequency response to 90MHz; ±2.5V swing into 150Ω supports legacy interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX467EWE | Unity-gain configuration (1V/V); 100MHz bandwidth; 250kΩ disabled output resistance | Better suited for non-back-terminated systems or where higher bandwidth outweighs gain-matching needs | Select MAX467EWE when driving unterminated loads or requiring maximum small-signal bandwidth |
| MAX469CWE | Same electrical specs but rated for 0°C to +70°C industrial temperature range | Limited to commercial-grade environments; not qualified for extended-temperature industrial or medical enclosures | Choose MAX469CWE only for cost-sensitive, ambient-temperature OEM designs with no thermal stress |
Compared with MAX469EWE, MAX467EWE offers higher bandwidth but lacks built-in 2V/V gain for coaxial back-termination, while MAX469CWE shares identical performance but lacks extended-temperature validation - making MAX469EWE the sole choice for ruggedized RGB video infrastructure.
Availability
MAX469EWE is available at Aetrix Electronics and suitable for RGB medical imaging, broadcast-quality video overlay editing, and coaxial-cable line driving applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX469EWE 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
Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog and mixed-signal ICs for precision signal conditioning, power management, and interface applications.
The MAX463–MAX470 family was engineered specifically for broadcast-grade RGB video signal routing and buffering, addressing differential gain/phase accuracy, crosstalk suppression, and coaxial cable drive capability in professional video equipment.
FAQ
What is the operating temperature range for the MAX469EWE?
The MAX469EWE is specified for operation from −40°C to +85°C. This extended industrial temperature range ensures reliable performance in medical imaging consoles, outdoor video security enclosures, and broadcast production gear exposed to thermal cycling - unlike the commercial-grade MAX469CWE variant.
Does the MAX469EWE require external gain-setting resistors?
No, the MAX469EWE does not require external gain-setting resistors. Its amplifiers are internally configured for 2V/V closed-loop gain, enabling direct 75Ω back-terminated coaxial cable driving with unity gain at the cable end - a key differentiator from the unity-gain MAX467EWE.
Can multiple MAX469EWE devices be paralleled for higher-current RGB output?
Yes, but with constraints: MAX469EWE disabled outputs present ~1kΩ resistance, limiting safe paralleling to two units maximum. Each output must include a series isolation resistor (e.g., 22Ω) to prevent interaction between active and inactive channels - as validated in Figure 8 of the MAX463–MAX470 datasheet.
What is the significance of 5pF input capacitance in the MAX469EWE?
The MAX469EWE's 5pF input capacitance - constant whether channels are on or off - eliminates impedance discontinuities during switching. This prevents transient glitches in RGB timing paths and maintains stable AC coupling with source impedances up to 250Ω, directly supporting clean sync pulse transmission.
How does the MAX469EWE achieve 0.01% differential gain error?
The MAX469EWE achieves 0.01% differential gain error through bipolar process optimization and precision internal resistor matching, validated using Tektronix VM700 test methodology with 3.58MHz/40IRE signals. This level of accuracy preserves color saturation fidelity in broadcast-quality RGB and composite video systems.
MAX469EWE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- Video
- Output Type:
- Single-Ended
- Number of Circuits:
- 3
- -3db Bandwidth:
- 90 MHz
- Slew Rate:
- 300V/µs
- Current - Supply:
- 80 mA
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- ±4.75V ~ 5.25V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-SOIC
MAX469EWE FAQ
1.How can I place an order for MAX469EWE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX469EWE 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 MAX469EWE reliable?
The price and inventory of MAX469EWE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX469EWE is usually 5 days.
3.What payment methods are accepted for MAX469EWE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX469EWE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX469EWE?
MAX469EWE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX469EWE 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 MAX469EWE?
For technical support, including MAX469EWE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX469EWE requirements.
6.How does Aetrix verify that MAX469EWE is sourced from the original manufacturer or authorized distributors?
All MAX469EWE 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 MAX469EWE meets industry standards.
7.What is the process for return or replacement of MAX469EWE?
All MAX469EWE units undergo pre-shipment inspection (PSI). If there is an issue with MAX469EWE, 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 MAX469EWE part is unused and in its original packaging.
Return procedure for MAX469EWE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX469EWE 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…
