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Analog Devices Inc./Maxim Integrated MAX4450EXK-T
- Part No.:
- MAX4450EXK-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
MAX4450EXK-T.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,927
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Product details
Overview
MAX4450EXK-T from Maxim Integrated is a single, unity-gain-stable, rail-to-rail output operational amplifier optimized for high-speed video and instrumentation signal conditioning. It delivers 210MHz -3dB bandwidth, 485V/µs slew rate, and 0.02%/0.08° differential gain/phase error while operating from a +4.5V to +11V single supply. Its ultra-small SC70-5 package and ground-sensing input make it ideal for space-constrained, low-voltage video line drivers.
For engineers reviewing the MAX4450EXK-T datasheet, MAX4450EXK-T pinout, MAX4450EXK-T application, or MAX4450EXK-T equivalent, key selection criteria include its 55MHz 0.1dB gain flatness for NTSC/PAL video fidelity, low 10nV/√Hz input voltage noise, rail-to-rail output swing within 55mV of both rails, and verified performance driving 75Ω coaxial loads in surveillance and set-top box systems.
Technical Context
The MAX4450EXK-T employs a voltage-feedback architecture enhanced with current-feedback techniques to achieve wide bandwidth and fast transient response. Its input stage supports common-mode voltages extending beyond VEE (to –0.2V) and up to VCC – 2.25V, enabling true ground-sensing operation in single-supply configurations.
Internally compensated for unity-gain stability, it requires only a 24Ω feedback resistor in unity-gain mode to suppress parasitic LC resonance. Output stage local feedback ensures low open-loop output impedance (1.5Ω at 10MHz), minimizing gain sensitivity to load variations across video-frequency bands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 210MHz - supports full HD video baseband and RF IF signal amplification without attenuation |
| Slew Rate | 485V/µs - enables clean 2V step response in ≤16ns, critical for fast video pulse fidelity |
| Differential Gain/Phase | 0.02%/0.08° - meets broadcast-grade NTSC/PAL video distortion requirements |
| Input Voltage Noise | 10nV/√Hz at 10kHz - preserves SNR in low-level analog front-end stages |
| Supply Range | +4.5V to +11V single supply - compatible with 5V and 9V industrial and portable systems |
| Output Swing | Within 55mV of VEE and VCC - delivers >4.9VP-P dynamic range on +5V supply |
| Quiescent Current | 6.5mA per amplifier - balances speed and power efficiency for battery-powered instruments |
Pinout & Package
The MAX4450EXK-T is housed in a 5-pin SC70 package (package code X5-1), measuring 2.0mm × 1.25mm × 0.9mm with 0.65mm lead pitch. This ultra-compact outline supports high-density PCB layouts in portable and embedded video systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VEE | Negative supply / ground reference | Accepts 0V in single-supply mode; supports common-mode input down to VEE – 0.2V |
| 2 - IN– | Inverting input | High-impedance node (70kΩ differential, 3MΩ common-mode); connects to feedback network |
| 3 - IN+ | Noninverting input | Ground-sensing input with extended common-mode range; used for DC-coupled video inputs |
| 4 - OUT | Amplifier output | Rail-to-rail capable; drives 75Ω/150Ω video loads directly with <0.1% gain error |
| 5 - VCC | Positive supply | Requires 0.1µF ceramic bypass capacitor placed adjacent to pin for stable high-frequency operation |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output stage | Delivers full 4.9VP-P swing on +5V supply, maximizing ADC interface dynamic range |
| Ground-sensing input | Accepts input signals down to –0.2V (VEE – 0.2V), enabling true DC-coupled video signal handling |
| Unity-gain stable design | Operates reliably at AV = +1 with only 24Ω series feedback resistor-no external compensation needed |
| Low distortion at 5MHz | –63dB THD and –65dBc SFDR ensure minimal harmonic artifacts in composite video paths |
| Optimized for 75Ω systems | Validated in typical video line driver configuration with 500Ω source and 75Ω termination |
Applications
| Surveillance Video Systems | Set-Top Boxes |
|---|---|
Use Scenario: Driving analog CVBS signals over 100m coaxial cable in IP camera DVR systems. IC Role / Device Role / Timing Role: Video line driver with 75Ω output impedance matching and low differential phase error. Use Value: Maintains 0.08° differential phase and 0.02% gain accuracy across temperature, preserving color fidelity in multi-channel recording. | Use Scenario: Buffering decoded composite video before HDMI encoder or SDTV output stage. IC Role / Device Role / Timing Role: Unity-gain video buffer isolating decoder output from variable downstream loading. Use Value: 210MHz bandwidth and 55MHz 0.1dB flatness prevent high-frequency luma loss and edge ringing in 480i/576i signals. |
| Battery-Powered Instruments | Analog-to-Digital Converter Interface |
Use Scenario: Signal conditioning front-end in handheld oscilloscopes and portable spectrum analyzers. IC Role / Device Role / Timing Role: High-speed, low-noise gain stage preceding 10-bit+ ADC sampling at ≥50MSPS. Use Value: 10nV/√Hz input noise and 6.5mA quiescent current extend battery life while preserving SNR above 10MHz. | Use Scenario: Driving SAR or pipeline ADC inputs with fast settling and minimal charge kickback. IC Role / Device Role / Timing Role: Driver amplifier with low 1.5Ω output impedance to settle 2V steps in ≤16ns to 0.1%. Use Value: 485V/µs slew rate and 16ns settling time enable accurate sampling of high-frequency analog waveforms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3201DRBT | Higher 1.8GHz GBW but 12mA IQ; no rail-to-rail output; SO-8 only | Used in RF IF gain blocks where output swing >4V not required | Select when >1GHz small-signal bandwidth is mandatory and power budget allows doubling IQ |
| ADA4817-1ARMZ | 1GHz GBW, 200V/µs slew, 3.5mA IQ, rail-to-rail output; MSOP-8 | Favored in precision instrumentation requiring lower noise (4nV/√Hz) and better DC specs | Choose for mixed-signal systems needing superior DC accuracy alongside high-speed AC performance |
Compared with THS3201DRBT and ADA4817-1ARMZ, the MAX4450EXK-T uniquely balances 210MHz bandwidth, rail-to-rail output, 6.5mA quiescent current, and SC70-5 footprint-making it the only option meeting all four constraints for compact, low-power video line driving.
Availability
MAX4450EXK-T is available at Aetrix Electronics and suitable for surveillance video systems, set-top boxes, and battery-powered instruments requiring stable component supply, long-term manufacturability, and RoHS-compliant sourcing.
Supply support for MAX4450EXK-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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and high-speed ICs for industrial, communications, and consumer applications.
The MAX4450/MAX4451 product line was engineered specifically for high-fidelity, low-power video signal routing and buffering-targeting applications where bandwidth, distortion, and board space are simultaneously constrained.
FAQ
What is the maximum capacitive load the MAX4450EXK-T can drive without oscillation?
The MAX4450EXK-T is not optimized for direct capacitive loading. Driving >10pF without isolation causes peaking and instability. A 20Ω–30Ω series isolation resistor (RS) is required-e.g., 27Ω supports up to 120pF while maintaining ≤3dB gain flatness to 100MHz. This is validated in Figure 5 of the MAX4450EXK-T datasheet.
Does the MAX4450EXK-T support dual-supply operation?
Yes, the MAX4450EXK-T operates from ±2.25V to ±5.5V dual supplies in addition to +4.5V to +11V single supply. Input common-mode range extends to VEE – 0.2V and VCC – 2.25V under both configurations, and rail-to-rail output swing remains functional with symmetric supplies.
What is the typical differential phase error of the MAX4450EXK-T in NTSC video applications?
The MAX4450EXK-T achieves a typical differential phase error of 0.08° into 150Ω at NTSC frequencies, as measured per standard video test conditions (RL = 150Ω, f = 3.58MHz). This value is guaranteed by design and confirmed in the AC Electrical Characteristics table of the MAX4450EXK-T datasheet.
Can the MAX4450EXK-T be used in a noninverting gain-of-5 configuration?
Yes-the MAX4450EXK-T is unity-gain stable and supports noninverting gains up to at least +10V/V. For gain-of-5, use RF = 49.9Ω and RG = 12.4Ω (per Table 1), with 24Ω recommended for RF in unity-gain mode. Bandwidth reduces to ~50MHz, verified in Figure 23 of the MAX4450EXK-T datasheet.
Is the MAX4450EXK-T pin-compatible with other SC70-5 op amps like the MAX4470?
No-pinout differs significantly. The MAX4450EXK-T uses VEE (Pin 1), IN– (Pin 2), IN+ (Pin 3), OUT (Pin 4), VCC (Pin 5). The MAX4470 uses VCC (Pin 1), IN+ (Pin 2), IN– (Pin 3), OUT (Pin 4), GND (Pin 5). Direct replacement would require PCB redesign; always verify pin mapping using the MAX4450EXK-T Pin Description table.
MAX4450EXK-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 485V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 210 MHz
- Current - Input Bias:
- 6.5 µA
- Voltage - Input Offset:
- 4 mV
- Current - Supply:
- 6.5mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-5
MAX4450EXK-T FAQ
1.How can I place an order for MAX4450EXK-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4450EXK-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 MAX4450EXK-T reliable?
The price and inventory of MAX4450EXK-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4450EXK-T is usually 5 days.
3.What payment methods are accepted for MAX4450EXK-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4450EXK-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4450EXK-T?
MAX4450EXK-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4450EXK-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 MAX4450EXK-T?
For technical support, including MAX4450EXK-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4450EXK-T requirements.
6.How does Aetrix verify that MAX4450EXK-T is sourced from the original manufacturer or authorized distributors?
All MAX4450EXK-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 MAX4450EXK-T meets industry standards.
7.What is the process for return or replacement of MAX4450EXK-T?
All MAX4450EXK-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4450EXK-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 MAX4450EXK-T part is unused and in its original packaging.
Return procedure for MAX4450EXK-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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