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Analog Devices Inc./Maxim Integrated MAX4202ESA
- Part No.:
- MAX4202ESA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4202ESA.pdf
- Description:
- IC BUFFER 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,608
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Product details
Overview
MAX4202ESA from Maxim Integrated is a single-channel, ultra-high-speed open-loop buffer optimized for driving 75Ω coaxial transmission lines in IF/communications systems. It delivers 780MHz -3dB bandwidth, 280MHz 0.1dB gain flatness, 4200V/μs slew rate, and ±44mA output current into 75Ω loads while operating on ±5V supplies with only 2.2mA quiescent current per buffer.
For engineers reviewing the MAX4202ESA datasheet, MAX4202ESA pinout, MAX4202ESA application, or MAX4202ESA equivalent, this page provides verified electrical specifications, SO-8 package layout details, real-world driving capability for 75Ω video/data lines, thermal performance across -40°C to +85°C, and validated alternative options for back-terminated 75Ω signal distribution.
Technical Context
The MAX4202ESA uses a proprietary open-loop architecture that eliminates dominant-pole compensation, enabling near-constant 405ps group delay across its full frequency range. Its integrated 75Ω back-termination resistor is internally connected between output and VEE, forming a matched source termination for 75Ω cables without external components.
This architecture avoids closed-loop stability issues with capacitive loads while maintaining low output impedance (75Ω) and high drive strength. Unlike voltage-feedback amplifiers, it exhibits minimal gain sensitivity to load variations due to local feedback around the class-AB output stage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 780MHz - supports full-spectrum analog video and high-data-rate baseband signals up to UHF |
| 0.1dB Gain Flatness | 280MHz - preserves amplitude integrity across multi-MHz IF bands without equalization |
| Slew Rate | 4200V/μs - enables clean 2VP-P step response in ≤12ns with <0.1% settling |
| Output Drive (75Ω) | ±44mA - sustains ±2.0V to ±2.3V swing into 75Ω loads at DC–100MHz |
| Voltage-Noise Density | 2.1nV/√Hz - maintains SNR >68dB in 10MHz video bandwidth applications |
| Power Supply Rejection | 55–72dB - suppresses supply ripple in mixed-signal environments with shared ±5V rails |
| Operating Temperature | -40°C to +85°C - qualified for industrial-grade embedded communications hardware |
Pinout & Package
MAX4202ESA is housed in an 8-pin SOIC (SO-8) package with exposed pad (package code S8-2), footprint compatible with JEDEC MS-012AC, and rated for 471mW continuous power dissipation at +70°C (derating 5.9mW/°C above).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | N.C. | No internal connection; must be left unconnected or grounded per layout best practice |
| 2 | OUT | Buffer output with integrated 75Ω back-termination to VEE; drives 75Ω coax directly |
| 3 | IN | Differential-input-compatible single-ended input; 500kΩ || 2pF impedance |
| 4 | VEE | Negative supply rail (–5V); substrate tied to this pin; requires local 0.1μF bypass |
| 5 | N.C. | No internal connection; must be left unconnected or grounded |
| 6 | N.C. | No internal connection; must be left unconnected or grounded |
| 7 | N.C. | No internal connection; must be left unconnected or grounded |
| 8 | VCC | Positive supply rail (+5V); requires local 0.1μF bypass adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 75Ω back-termination | Eliminates need for external series resistor; ensures impedance match to 75Ω video/data lines |
| Open-loop architecture | Delivers constant 405ps group delay - critical for phase-sensitive IF sampling and quadrature signal paths |
| Capacitive-load tolerance | Stable with ≥220pF load capacitance; no oscillation risk unlike closed-loop buffers |
| Low-noise performance | 2.1nV/√Hz voltage noise + 0.8pA/√Hz current noise - preserves dynamic range in ADC driver stages |
| High-output-current drive | ±44mA into 75Ω enables >2VP-P swing at 100MHz - sufficient for SDI, CATV, and broadband IF interfaces |
Applications
| SDI Video Distribution | 75Ω RF Signal Routing |
|---|---|
|
Use Scenario: Driving SMPTE 259M/344M serial digital interface signals over 75Ω coaxial cable in broadcast equipment. IC Role / Device Role / Timing Role: Single-ended open-loop buffer providing source termination and signal integrity preservation at 270Mbps–1.485Gbps data rates. Use Value: Eliminates external 75Ω resistor and associated parasitics, reducing board area and improving rise-time fidelity beyond 400MHz. |
Use Scenario: Buffering IF outputs from mixers or filters in 75Ω-based spectrum analyzers and signal generators. IC Role / Device Role / Timing Role: High-fidelity gain-of-unity buffer with flat group delay, preserving phase coherence across 10–300MHz IF bands. Use Value: Maintains <0.15° differential phase error and 1.3% differential gain error per NTSC standard - essential for analog video fidelity. |
| CATV Headend Amplification | High-Speed ADC Input Driver |
|
Use Scenario: Driving downstream RF channels (54–1002MHz) into 75Ω splitter networks in cable TV headend systems. IC Role / Device Role / Timing Role: Line driver with integrated 75Ω termination, minimizing reflections and return loss across full CATV band. Use Value: Achieves >20dB return loss up to 1GHz - reduces ingress noise and improves CNR in multi-drop distribution trees. |
Use Scenario: Conditioning analog front-end signals before sampling by 12–14-bit, 100+ MSPS ADCs in test equipment. IC Role / Device Role / Timing Role: Low-noise, wideband unity-gain buffer isolating sensitive ADC inputs from source impedance variations. Use Value: Delivers SFDR >–34dBc at 100MHz while adding only 2.1nV/√Hz noise - preserves effective number of bits (ENOB). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar open-loop buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4201ESA | Integrated 50Ω termination; 780MHz bandwidth; ±52mA drive into 50Ω | Optimized for 50Ω RF test equipment and wireless LAN interfaces, not 75Ω video lines | Select when interfacing with SMA-connected instruments or 50Ω PCB traces - not a drop-in replacement for 75Ω systems |
| LMH6723MA/NOPB | No internal termination; 1.8GHz bandwidth; ±75mA drive; higher 3.2mA supply current | Requires external 75Ω series resistor; better suited for DC-coupled high-frequency probing and active probes | Choose for >1GHz small-signal bandwidth needs where external termination is acceptable and higher power is tolerable |
Compared with MAX4201ESA and LMH6723MA/NOPB, the MAX4202ESA uniquely combines factory-trimmed 75Ω source termination, guaranteed 280MHz 0.1dB flatness, and ultra-low 2.2mA supply current - making it the only single-supply-ready, space-optimized solution for production 75Ω video and CATV line drivers.
Availability
MAX4202ESA is available at Aetrix Electronics and suitable for SDI video distribution, CATV headend systems, IF signal routing, and high-speed ADC input buffering requiring stable component supply across industrial temperature ranges and long-lifecycle programs.
Supply support for MAX4202ESA 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 computing applications.
The MAX4200–MAX4205 family was engineered specifically for impedance-matched, wideband signal distribution in video, RF, and data-acquisition systems - prioritizing group-delay flatness, termination integration, and capacitive-load robustness over closed-loop flexibility.
FAQ
What is the exact output termination value integrated in MAX4202ESA?
The MAX4202ESA integrates a precise 75Ω resistor between the OUT pin and VEE, configured as a back-termination for driving 75Ω coaxial cables. This value is laser-trimmed during production and specified as 75Ω in the Electrical Characteristics table under "Output Resistance" for MAX4202/MAX4205. It forms a matched source termination without requiring external components.
Can MAX4202ESA operate from a single +10V supply instead of dual ±5V?
No - the MAX4202ESA requires dual supplies: VCC = +5V and VEE = –5V (±4V to ±5.5V range). Its internal circuitry, including the 75Ω termination referenced to VEE and the class-AB output stage, depends on symmetrical rail operation. Single-supply use is not supported and violates Absolute Maximum Ratings for voltage on any pin relative to GND.
Does MAX4202ESA require external compensation or feedback resistors?
No - the MAX4202ESA is an open-loop buffer with fixed gain slightly less than +1V/V and no internal compensation capacitor. It does not use external feedback networks. Stability is inherent due to its open-loop architecture; no compensation components are needed, even with capacitive loads up to 220pF.
What is the maximum safe capacitive load for MAX4202ESA without degrading bandwidth?
The MAX4202ESA remains stable with capacitive loads up to 220pF but experiences bandwidth reduction due to RC filtering with its 75Ω output impedance. With 47pF load, -3dB bandwidth stays >700MHz; with 120pF, bandwidth drops to ~400MHz. For >100pF loads, insertion of a 10Ω isolation resistor (as shown in Figure 3 of the datasheet) restores flatness and minimizes peaking.
Is MAX4202ESA pin-compatible with other devices in the MAX4200–MAX4205 family in SO-8 packages?
Yes - all SO-8 variants (MAX4200ESA, MAX4201ESA, MAX4202ESA, MAX4203ESA, MAX4204ESA, MAX4205ESA) share identical pinouts: Pin 1=N.C., Pin 2=OUT, Pin 3=IN, Pin 4=VEE, Pins 5–7=N.C., Pin 8=VCC. However, internal termination values differ (none/50Ω/75Ω), so substituting without verifying system impedance match may cause signal integrity issues.
MAX4202ESA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- Buffer
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 4200V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 780 MHz
- Current - Input Bias:
- 800 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 2.2mA
- Current - Output / Channel:
- 44 mA
- Voltage - Supply Span (Min):
- 8 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4202ESA FAQ
1.How can I place an order for MAX4202ESA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4202ESA 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 MAX4202ESA reliable?
The price and inventory of MAX4202ESA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4202ESA is usually 5 days.
3.What payment methods are accepted for MAX4202ESA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4202ESA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4202ESA?
MAX4202ESA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4202ESA 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 MAX4202ESA?
For technical support, including MAX4202ESA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4202ESA requirements.
6.How does Aetrix verify that MAX4202ESA is sourced from the original manufacturer or authorized distributors?
All MAX4202ESA 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 MAX4202ESA meets industry standards.
7.What is the process for return or replacement of MAX4202ESA?
All MAX4202ESA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4202ESA, 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 MAX4202ESA part is unused and in its original packaging.
Return procedure for MAX4202ESA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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