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Status
Part Number	Status	Replacement	Explanation
MAX4178	This product is No Longer Available. See Ordering Information for recommended replacements.	MAX4205	Ultra-high speed, low-noise, and low-power buffers in SOT-23.
MAX4278	This product is No Longer Available. See Ordering Information for recommended replacements.	MAX4205	Ultra-high speed, low-noise, and low-power buffers in SOT-23.

Data Sheet

FULL DATA SHEET (PDF, 624kB) Download   E-Mail

Description

The MAX4178/MAX4278 are ±5V, wide-bandwidth, fast-settling, closed-loop buffers featuring high slew rate, high precision, high output current, low noise, and low differential gain and phase errors. The MAX4178, with a -3dB bandwidth of 330MHz, is preset for unity voltage gain (0dB). The MAX4278 is preset for a voltage gain of +2 (6dB) and has a 310MHz -3dB bandwidth. The MAX4178/MAX4278 feature the high slew rate and low power that are characteristic of current-mode feedback amplifiers. However, unlike conventional current-mode feedback amplifiers, these devices have a unique input stage that combines the benefits of current-feedback topology with those of the traditional voltage-feedback topology. This combination results in low input offset voltage and bias current, low noise, and high gain precision and power-supply rejection. The MAX4178/MAX4278 are ideally suited for driving 50Ω or 75Ω> loads. They are the perfect choice for high-speed cable-driving applications, such as video routing. The MAX4178/MAX4278 are available in DIP, SO, space-saving µMAX®, and SOT23 packages.

Key Features		Applications/Uses
High Speed 330MHz -3dB Bandwidth (MAX4178) 310MHz -3dB Bandwidth (MAX4278) 250MHz Full-Power Bandwidth (VOUT = 2VP-P) 150MHz 0.1dB Flatness Bandwidth 1300V/µs Slew Rate (MAX4178) 1600V/µs Slew Rate (MAX4278) Low Differential Phase/Gain Error: 0.01°/0.04% 8mA Supply Current 1µA Input Bias Current 0.5mV Input Offset Voltage 5nV per √Hz Input-Referred Voltage Noise 2pA√Hz Input-Referred Current Noise 1.0% Max Gain Error with 100Ω Load Short-Circuit Protected 8000V ESD Protection Available in Space-Saving SOT23 Package		Broadcast and High-Definition TV Systems Communication Systems High-Speed Cable Drivers Medical Imaging Precision High-Speed DAC/ADC Buffers Video Routing and Switching Systems

Diagram

Typical Operating Circuit

Design Guides

Amplifiers and Sensors (PDF) Video (PDF)

Reliability Reports

Show FIT data for: MAX4178 MAX4278 Request Reliability Report for: MAX4178 MAX4278

Software/Models

MAX4178 Macromodel MAX4178LTRA Test Circuit File MAX4178AVCL Test Circuit File MAX4278 Macromodel MAX4278STRA Test Circuit File MAX4278VOH Test Circuit File MAX4278SLEW Test Circuit File

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-26 of 26

MAX4178	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4178MJA		N/A	No Longer Available	MAX4200	CDIP(N);8 pin;82.6 mm² Outline Drawing: 21-0045 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: J8-2*	-55°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX4178EPA+		N/A	No Longer Available	MAX4200	PDIP(N);8 pin;81.9 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P8+5*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4178EPA		N/A	No Longer Available	MAX4200	PDIP(N);8 pin;81.9 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P8-5*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4178ESA		N/A	No Longer Available	MAX4200	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4178ESA-T		N/A	No Longer Available	MAX4200	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX4178ESA+		N/A	No Longer Available	MAX4200	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4178ESA+T		N/A	No Longer Available	MAX4200	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX4178EUK-T		N/A	No Longer Available	MAX4200	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4178EUK+T		N/A	No Longer Available	MAX4200	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4178EUA+		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4178EUA+T		N/A	No Longer Available	MAX4200	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX4178EUA		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4178EUA-T		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4278	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX4278MJA		N/A	No Longer Available	MAX4200	CDIP(N);8 pin;82.6 mm² Outline Drawing: 21-0045 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: J8-2*	-55°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX4278EPA+		N/A	No Longer Available	MAX4200	PDIP(N);8 pin;81.9 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P8+5*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4278EPA		N/A	No Longer Available	MAX4200	PDIP(N);8 pin;81.9 mm² Outline Drawing: 21-0043 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: P8-5*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4278ESA		N/A	No Longer Available	MAX4200	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4278ESA-T		N/A	No Longer Available	MAX4200	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX4278ESA+		N/A	No Longer Available	MAX4200	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4278ESA+T		N/A	No Longer Available	MAX4200	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX4278EUK-T		N/A	No Longer Available	MAX4200	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4278EUK+T		N/A	No Longer Available	MAX4200	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4278EUA		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4278EUA-T		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX4278EUA+		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX4278EUA+T		N/A	No Longer Available	MAX4200	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

Notes and Comments

Closed loop, gain of +1 buffer, 150MHz 0.1dB gain flatness, low DP/DG (MAX4178) Closed loop, gain of +2 buffer, 150MHz 0.1dB gain flatness, low DP/DG (MAX4278)

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