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Analog Devices Inc./Maxim Integrated MAX4200EUK-T
- Part No.:
- MAX4200EUK-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
MAX4200EUK-T.pdf
- Description:
- IC BUFFER 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:3,081
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Product details
Overview
The MAX4200EUK-T from Maxim Integrated is a single-channel, ultra-high-speed, open-loop buffer optimized for driving high-speed ADC inputs and 50Ω/75Ω transmission lines. It delivers 660MHz -3dB bandwidth, 4200V/μs slew rate, ±90mA output current, and operates from ±5V supplies with only 2.2mA quiescent current per buffer. Its SOT23-5 package supports compact RF/IF signal-path designs in data acquisition and communications systems.
For engineers reviewing the MAX4200EUK-T datasheet, MAX4200EUK-T pinout, MAX4200EUK-T application, or MAX4200EUK-T equivalent, key selection criteria include open-loop gain stability, capacitive-load-driving capability without oscillation, low 2.1nV/√Hz voltage-noise density, and compatibility with high-speed analog front-end layouts requiring minimal parasitic capacitance.
Technical Context
The MAX4200EUK-T uses a proprietary open-loop architecture-lacking internal dominant-pole compensation-to achieve near-constant 405ps group delay across its full frequency range. This eliminates phase-shift-induced distortion common in voltage-feedback amplifiers, making it suitable for wideband IF/RF signal conditioning where timing integrity is critical.
It features no internal termination resistors (unlike MAX4201/MAX4202), so external impedance matching must be implemented at input/output. Its input presents 500kΩ || 2pF, and output impedance is 8Ω (DC), enabling stable drive into reactive loads up to 220pF without oscillation-though bandwidth degrades predictably via RC roll-off.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 660MHz - usable small-signal bandwidth for ≤100mVRMS signals in high-fidelity analog paths |
| Slew Rate | 4200V/μs - enables clean 2V-step response in ≤12ns with 0.1% settling, critical for fast DAC/ADC interface timing |
| Output Current | ±90mA - drives low-impedance loads (e.g., 30Ω) without clipping, supporting active cable drivers and line-receiver interfaces |
| Voltage-Noise Density | 2.1nV/√Hz at 1MHz - preserves SNR in precision ADC front-ends where noise floor directly limits resolution |
| Supply Current | 2.2mA per buffer - enables low-power, multi-buffer signal chains in space-constrained embedded instrumentation |
| Operating Temp Range | -40°C to +85°C - qualified for industrial and telecom infrastructure environments without derating |
| Input Offset Voltage | 1mV (min), 15mV (max) - sets DC accuracy limit in DC-coupled signal paths; drift ≤20μV/°C ensures stability over temperature |
Pinout & Package
MAX4200EUK-T is housed in a 5-pin SOT23-5 package (package code U5-1), with exposed pad not internally connected. Pin 1 = N.C., Pin 2 = VEE, Pin 3 = IN, Pin 4 = OUT, Pin 5 = VCC. The no-connect (N.C.) pin simplifies layout by eliminating routing conflict while maintaining standard SOT23 footprint compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | No Connection | Not internally bonded; may be left floating or tied to ground for mechanical stability-no electrical function |
| Pin 2 | VEE | Negative supply rail (–5V typical); requires local 0.1μF bypass to ground plane for high-frequency PSR stability |
| Pin 3 | IN | Differential-input node (500kΩ || 2pF); sensitive to layout parasitics-must be driven via terminated microstrip |
| Pin 4 | OUT | Class-AB output stage; 8Ω DC output impedance; drives capacitive loads up to 220pF without oscillation |
| Pin 5 | VCC | Positive supply rail (+5V typical); same bypassing requirement as VEE to maintain PSR >55dB up to 100MHz |
Key Features
| Feature | Design Value |
|---|---|
| Open-loop architecture | Eliminates dominant-pole compensation, enabling flat group delay (405ps) and wideband phase linearity for coherent signal processing |
| Capacitive-load tolerance | Stable operation with ≥220pF load capacitance-no external compensation required, reducing BOM count in high-CL PCB interconnects |
| Low-noise performance | 2.1nV/√Hz voltage noise + 0.8pA/√Hz current noise preserves dynamic range in 12–16-bit ADC driver applications |
| High output drive | ±90mA sourcing/sinking capability supports direct drive of 30Ω loads or back-terminated 50Ω/75Ω cables with external RT |
| Space-efficient packaging | SOT23-5 footprint (2.9mm × 1.6mm) enables dense placement in RF modules and portable test equipment |
Applications
| High-Speed ADC Input Buffer | Digital Transmission Line Driver |
|---|---|
|
Use Scenario: Driving the analog input of a 100MSPS+ pipeline ADC in a software-defined radio receiver. IC Role / Device Role / Timing Role: Single-ended open-loop buffer isolating ADC input from source impedance variations while preserving transient fidelity. Use Value: 660MHz bandwidth and 4200V/μs slew rate ensure <1LSB step-response error for full-scale transitions; low 2.1nV/√Hz noise avoids degrading effective number of bits (ENOB). |
Use Scenario: Transmitting baseband video or digital IF signals over 50Ω coaxial cable in broadcast equipment. IC Role / Device Role / Timing Role: High-current line driver with externally configured 50Ω series termination to match cable Z0 and minimize reflections. Use Value: ±90mA output drive sustains signal integrity into 30–75Ω loads; 405ps group delay ensures minimal inter-symbol interference across multi-MHz symbol rates. |
| IF Signal Conditioning | Wireless LAN Front-End Buffer |
|
Use Scenario: Amplifying 70–250MHz intermediate frequency signals before downconversion in cellular base station transceivers. IC Role / Device Role / Timing Role: Wideband gain block with flat 0.1dB gain flatness up to 220MHz, preserving amplitude consistency across channel bandwidth. Use Value: 220MHz 0.1dB bandwidth and <0.15° phase deviation enable accurate I/Q demodulation; low harmonic distortion (-48dBc @ 100MHz) prevents adjacent-channel interference. |
Use Scenario: Buffering OFDM baseband signals prior to upconversion in 2.4GHz/5GHz Wi-Fi 6 transmitters. IC Role / Device Role / Timing Role: Low-noise, high-slew-rate driver between DAC output and mixer LO path, minimizing jitter accumulation. Use Value: 2.1nV/√Hz input noise and 12ns 0.1% settling time reduce EVM degradation; SOT23-5 size allows placement within tight RF layout constraints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar open-loop buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4201EUK-T | Includes integrated 50Ω output termination resistor; 780MHz -3dB bandwidth; lower ±52mA output drive | Optimized for direct 50Ω cable drive without external components; reduced drive limits use in low-Z active loads | Select when board space is constrained and 50Ω back-termination is required-eliminates discrete RT but sacrifices peak current capability |
| LMH6723MF/NOPB | Single 350MHz GBW voltage-feedback op amp; 3100V/μs slew rate; 1.8mA supply current; SO-8 package | Requires external compensation; higher noise (3.3nV/√Hz); closed-loop configuration introduces group delay variation | Choose for cost-sensitive, non-critical timing applications where ±52mA drive and 350MHz bandwidth suffice-and layout allows feedback network routing |
Compared with MAX4201EUK-T, the MAX4200EUK-T offers higher output current and no internal termination-giving design flexibility for custom impedance matching. Against LMH6723MF/NOPB, it provides superior bandwidth, lower noise, and intrinsic stability with capacitive loads-critical for unbuffered high-speed signal routing.
Availability
MAX4200EUK-T is available at Aetrix Electronics and suitable for high-speed data acquisition, RF front-end design, and digital transmission line applications requiring stable component supply across extended production cycles.
Supply support for MAX4200EUK-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 power-management ICs for demanding industrial, communications, and computing applications.
The MAX4200–MAX4205 family was engineered specifically for ultra-wideband, low-distortion, open-loop buffering in high-speed data converters and RF signal chains-prioritizing group-delay flatness, capacitive-load immunity, and noise performance over traditional op-amp trade-offs.
FAQ
What is the maximum capacitive load the MAX4200EUK-T can drive without oscillation?
The MAX4200EUK-T remains stable with capacitive loads up to 220pF without external compensation or isolation resistors. This is confirmed in the Typical Operating Characteristics section (Figure 2), which shows gain response with CL = 220pF. Stability is inherent to its open-loop architecture-no negative feedback loop exists to convert capacitive phase shift into oscillation. However, bandwidth rolls off predictably due to the RC time constant formed by its 8Ω output impedance and load capacitance.
Does the MAX4200EUK-T have internal termination resistors?
No, the MAX4200EUK-T has no internal termination resistors. Unlike the MAX4201EUK-T (50Ω) or MAX4202EUK-T (75Ω), the MAX4200EUK-T is designed for applications requiring external impedance control-such as custom-matched RF traces or dual-termination configurations. Its output impedance is 8Ω (DC), and users must add series or parallel termination externally to match 50Ω or 75Ω transmission lines.
What is the recommended power-supply bypassing for the MAX4200EUK-T?
Each supply pin (VCC and VEE) of the MAX4200EUK-T must be bypassed to ground with a 0.1μF ceramic capacitor placed as close as possible to the respective pin. This is explicitly specified in the Applications Information section. Additional bulk capacitance (e.g., 1–10μF tantalum) may be added nearby, but the 0.1μF capacitor is mandatory for maintaining >55dB PSR up to 100MHz and preventing high-frequency supply coupling into the signal path.
Can the MAX4200EUK-T be used in single-supply configurations?
No-the MAX4200EUK-T is specified exclusively for dual-supply operation from ±4V to ±5.5V. Its absolute maximum ratings define voltage on any pin relative to GND as (VEE – 0.3V) to (VCC + 0.3V), and all DC/AC electrical characteristics are tested with ±5V supplies. Attempting single-supply bias (e.g., 0V/10V) violates the common-mode input range and risks latch-up or parametric failure.
How does the MAX4200EUK-T's open-loop architecture affect gain accuracy?
The MAX4200EUK-T has an open-loop gain slightly less than +1V/V (e.g., 0.9–1.1V/V depending on REXT), meaning gain is set by external resistive networks-not internal feedback. As stated in the Detailed Description, this eliminates dominant-pole phase shift, yielding flat group delay. However, gain accuracy depends entirely on external component tolerances and layout parasitics-not device matching. For precise gain, external resistors with ≤0.1% tolerance and low-temperature-coefficient are recommended.
MAX4200EUK-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- Buffer
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 4200V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 660 MHz
- Current - Input Bias:
- 800 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 2.2mA
- Current - Output / Channel:
- 90 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:
- SOT-23-5
MAX4200EUK-T FAQ
1.How can I place an order for MAX4200EUK-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4200EUK-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 MAX4200EUK-T reliable?
The price and inventory of MAX4200EUK-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4200EUK-T is usually 5 days.
3.What payment methods are accepted for MAX4200EUK-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4200EUK-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4200EUK-T?
MAX4200EUK-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4200EUK-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 MAX4200EUK-T?
For technical support, including MAX4200EUK-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4200EUK-T requirements.
6.How does Aetrix verify that MAX4200EUK-T is sourced from the original manufacturer or authorized distributors?
All MAX4200EUK-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 MAX4200EUK-T meets industry standards.
7.What is the process for return or replacement of MAX4200EUK-T?
All MAX4200EUK-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4200EUK-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 MAX4200EUK-T part is unused and in its original packaging.
Return procedure for MAX4200EUK-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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