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Analog Devices Inc./Maxim Integrated MAX4394EUD+T
- Part No.:
- MAX4394EUD+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Video Amps and Modules
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX4394EUD+T.pdf
- Description:
- IC AMP VOLTAGE FEEDBACK 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,873
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Product details
Overview
MAX4394EUD+T from Analog Devices is a triple, rail-to-rail output, unity-gain stable voltage-feedback op amp with disable functionality, 85MHz -3dB bandwidth, 500V/μs slew rate, and 0.015% differential gain error. It operates from single 4.5V–11V or dual ±2.25V–±5.5V supplies and is optimized for high-fidelity video line driving in surveillance systems and set-top boxes.
For engineers reviewing the MAX4394EUD+T datasheet, MAX4394EUD+T pinout, MAX4394EUD+T application, or MAX4394EUD+T equivalent, key selection criteria include its 3-channel integration in 14-pin TSSOP, 450μA disable current, 21ns settling time to 0.1%, low distortion (-59dBc SFDR at 5MHz), and 75Ω video load drive capability.
Technical Context
The MAX4394EUD+T employs BiCMOS process technology and combines voltage-feedback architecture with current-feedback techniques to achieve high-speed performance while maintaining DC precision. Its input stage supports common-mode voltage down to VEE (ground in single-supply) and up to VCC − 2.25V, enabling robust interfacing with ADCs and video sources.
All three amplifiers feature independent disable control (DISABLEA/B/C), rail-to-rail output swing (within 200mV of rails into 75Ω), and channel-to-channel isolation of −97dB at DC. The device is internally compensated for unity-gain stability and optimized for AC-coupled video applications requiring minimal differential gain/phase error.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 85MHz - supports full NTSC/PAL video bandwidth without attenuation |
| Slew Rate | 500V/μs - enables clean 2VP-P large-signal response at 90MHz |
| Differential Gain Error | 0.015% - preserves color fidelity in analog video transmission |
| Settling Time (0.1%) | 21ns - meets fast pixel clock timing in digital camera interfaces |
| Disable Current | 450μA per amplifier - reduces system power by >90% during idle periods |
| Output Drive | ±50mA - drives 75Ω video loads with <1.7V headroom at 5V supply |
| Spurious-Free Dynamic Range | -59dBc at 5MHz - ensures low harmonic distortion in CCD imaging paths |
Pinout & Package
MAX4394EUD+T is housed in a 14-pin TSSOP package (RoHS-compliant, tape-and-reel). Thermal resistance θJA = 100.4°C/W (multi-layer board), supporting continuous operation at +85°C ambient.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Amplifier A output - rail-to-rail capable, 75Ω-terminated video driver |
| 2 | INA− | Inverting input for Amp A - matched to INA+ for low offset drift |
| 3 | INA+ | Noninverting input for Amp A - accepts common-mode down to VEE |
| 4 | DISABLEA | Active-low shutdown control for Amp A - high-Z output when pulled low |
| 5 | VCC | Positive supply - bypass with 0.1μF ceramic capacitor near pin |
| 6 | VEE | Negative supply (or ground) - decoupling required for noise immunity |
| 7 | INB− | Inverting input for Amp B - electrically isolated from other channels |
| 8 | INB+ | Noninverting input for Amp B - identical DC/AC specs as Amp A |
| 9 | DISABLEB | Active-low shutdown for Amp B - independent control from DISABLEA |
| 10 | OUTB | Amplifier B output - fully buffered, 50mA sourcing/sinking |
| 11 | INC− | Inverting input for Amp C - supports multi-channel video routing |
| 12 | INC+ | Noninverting input for Amp C - maintains 0.015° differential phase accuracy |
| 13 | DISABLEC | Active-low shutdown for Amp C - enables selective channel power gating |
| 14 | OUTC | Amplifier C output - completes triple-channel video driver function |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Within 200mV of VCC/VEE into 75Ω - eliminates level-shifting circuitry in video lines |
| Triple independent disable | Per-amplifier 450μA shutdown - enables dynamic channel power management |
| Low differential gain/phase | 0.015%/0.015° - preserves chroma/luma integrity in broadcast-quality video |
| High channel isolation | −97dB at DC - prevents crosstalk between RGB or YUV signal paths |
| Unity-gain stable | No external compensation required - simplifies PCB layout for 1× gain video buffers |
| Optimized for 75Ω loads | Specified output swing and distortion at RL = 75Ω - matches standard video impedance |
Applications
| Surveillance Video System | Set-Top Box Video Output |
|---|---|
Use Scenario: Driving analog CVBS signals from encoder ICs to BNC connectors over coaxial cable in outdoor security cameras. IC Role / Device Role / Timing Role: Triple video line driver providing simultaneous Y, U, and V outputs with matched delay and gain. Use Value: 0.015% differential gain error ensures accurate skin-tone reproduction across temperature range. |
Use Scenario: Buffering composite video outputs from MPEG decoder SoCs before HDMI/AV output switching. IC Role / Device Role / Timing Role: High-speed unity-gain buffer isolating sensitive decoder outputs from variable downstream loads. Use Value: 85MHz bandwidth and 21ns settling time prevent ghosting or edge ringing on sharp transitions. |
| Analog-to-Digital Converter Interface | CCD Imaging System |
Use Scenario: Driving multiplexed analog sensor outputs into SAR ADC inputs with minimal settling penalty. IC Role / Device Role / Timing Role: Low-noise, fast-settling driver ensuring full ADC resolution at ≥1MSPS sampling rates. Use Value: −59dBc SFDR at 5MHz guarantees >9-bit ENOB in wideband sensor acquisition. |
Use Scenario: Amplifying and conditioning analog pixel data from linear CCD arrays before digitization. IC Role / Device Role / Timing Role: Low-distortion, low-phase-error amplifier preserving spatial fidelity in monochrome imaging. Use Value: 0.015° differential phase error prevents vertical color smearing in high-resolution scans. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4394ESD+T | Same electrical specs, but in 14-pin SO package (θJA = 84°C/W vs. 100.4°C/W) | Better thermal performance in high-density layouts; larger footprint than TSSOP | Select for higher-power or lower-ambient designs where board space permits SO packaging |
| THS3203DGNR | Single-channel, 900MHz GBW, no disable function, higher quiescent current (12mA vs. 5.5mA) | Lacks multi-channel integration and low-power shutdown; requires 3x devices for same function | Choose only if >200MHz bandwidth is mandatory and power/per-channel count are secondary |
Compared with MAX4394ESD+T, the MAX4394EUD+T offers superior board-area efficiency and adequate thermal margin for most video applications; versus THS3203DGNR, it delivers integrated triple-channel operation with 82% lower per-channel supply current and built-in disable control.
Availability
MAX4394EUD+T is available at Aetrix Electronics and suitable for surveillance video systems, set-top box manufacturing, and CCD imaging equipment requiring stable component supply, RoHS compliance, and long-term production continuity.
Supply support for MAX4394EUD+T 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and consumer markets.
The MAX4389–MAX4396 family was designed specifically for high-fidelity analog video signal conditioning - emphasizing low differential gain/phase error, rail-to-rail drive capability, and multi-channel integration in space-constrained enclosures.
FAQ
What is the operating supply voltage range for the MAX4394EUD+T?
The MAX4394EUD+T operates from a single 4.5V to 11V supply or dual ±2.25V to ±5.5V supplies. This wide range allows direct compatibility with legacy 5V video systems and modern low-voltage embedded platforms. The device maintains specified performance across the full range, including 85MHz bandwidth and 0.015% differential gain error at both extremes. MAX4394EUD+T's PSRR of 48–65dB further ensures immunity to supply ripple in noisy environments.
Does the MAX4394EUD+T support rail-to-rail input common-mode voltage?
The MAX4394EUD+T supports rail-to-rail output swing but not rail-to-rail input. Its input common-mode voltage range extends to the negative supply rail (VEE) and up to VCC − 2.25V. In single-supply 5V operation, this means inputs can range from 0V to 2.75V - sufficient for most video signal levels (e.g., 1VP-P centered at 2.5V). This architecture balances speed, precision, and cost while avoiding the complexity of true rail-to-rail input stages. MAX4394EUD+T's CMRR of 70–95dB ensures rejection of common-mode noise within this range.
How does the disable function work on the MAX4394EUD+T?
The MAX4394EUD+T features three independent active-low disable pins (DISABLEA, DISABLEB, DISABLEC), one per amplifier. Pulling any disable pin low places that amplifier's output in high-impedance state (ROUT(OFF) = 40–95kΩ) while reducing its quiescent current to 450μA. This enables dynamic channel power gating without affecting other amplifiers. The disable transition times are 40ns (ON) and 80ns (OFF), ensuring clean switching in time-multiplexed video architectures. MAX4394EUD+T's logic thresholds (VIL = VCC − 3V, VIH = VCC − 1.25V) provide robust noise margins.
Can the MAX4394EUD+T drive a 75Ω video load directly?
Yes, the MAX4394EUD+T is explicitly characterized for 75Ω loads: output voltage swing is specified as 1.0–1.7V headroom at 5V supply, and distortion (−59dBc SFDR) and differential gain/phase (0.015%/0.015°) are guaranteed under 75Ω termination. Its 50mA output drive capability ensures stable operation into reactive coaxial cables. For optimal stability with capacitive loads, Analog Devices recommends adding a 10–15Ω isolation resistor in series with the output - a practice validated in MAX4394EUD+T's typical operating circuits and layout guidelines.
What is the thermal performance of the MAX4394EUD+T in its TSSOP package?
The MAX4394EUD+T in 14-pin TSSOP has a junction-to-ambient thermal resistance (θJA) of 100.4°C/W on multi-layer PCBs. At maximum rated quiescent current (5.5mA per amp × 3 = 16.5mA) and 5V supply, power dissipation is ~83mW, resulting in a worst-case junction temperature rise of ~8.3°C above ambient. This provides ample margin for operation at +85°C ambient - confirmed by the device's −40°C to +85°C industrial temperature rating. MAX4394EUD+T's BiCMOS process and internal thermal protection ensure reliability under sustained video line-driving loads.
MAX4394EUD+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Applications:
- Voltage Feedback
- Output Type:
- Rail-to-Rail
- Number of Circuits:
- 3
- -3db Bandwidth:
- 85 MHz
- Slew Rate:
- 500V/µs
- Current - Supply:
- 6 mA
- Current - Output / Channel:
- 95 mA
- Voltage - Supply, Single/Dual (±):
- 4.5V ~ 11V, ±2.25V ~ 5.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 14-TSSOP
MAX4394EUD+T FAQ
1.How can I place an order for MAX4394EUD+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4394EUD+T 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 MAX4394EUD+T reliable?
The price and inventory of MAX4394EUD+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4394EUD+T is usually 5 days.
3.What payment methods are accepted for MAX4394EUD+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4394EUD+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4394EUD+T?
MAX4394EUD+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4394EUD+T 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 MAX4394EUD+T?
For technical support, including MAX4394EUD+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4394EUD+T requirements.
6.How does Aetrix verify that MAX4394EUD+T is sourced from the original manufacturer or authorized distributors?
All MAX4394EUD+T 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 MAX4394EUD+T meets industry standards.
7.What is the process for return or replacement of MAX4394EUD+T?
All MAX4394EUD+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4394EUD+T, 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 MAX4394EUD+T part is unused and in its original packaging.
Return procedure for MAX4394EUD+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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