MAX4144EEE

Overview

The MAX4144EEE is a high-speed, low-distortion differential line receiver manufactured by Analog Devices Inc./Maxim Integrated. It features a fixed closed-loop gain of +2V/V and operates from ±5V power supplies. The device provides a -3dB bandwidth of 130MHz and a slew rate of 1000V/µs. It utilizes a three op-amp instrumentation amplifier architecture with fully symmetrical differential inputs and a single-ended output. The component is housed in a 16-pin QSOP package and supports an operating temperature range of -40°C to +85°C.

Feature Summary

• Three op-amp instrumentation amplifier architecture for high common-mode rejection
• Internally set fixed gain configuration eliminating external resistor requirements
• Current-feedback technique enabling high bandwidth and fast transient response
• Laser-trimmed matched thin-film resistors for precision signal processing

Applications

• Differential to Single-Ended Conversion
• Twisted-Pair to Coaxial Converter
• High-Speed Instrumentation Amplifier
• Medical Instrumentation
• High-Speed Differential Line Receiver

Procurement Notes

Verify the specific ordering suffix EEE corresponds to the 16-pin QSOP package variant when sourcing components. Confirm that the supply voltage requirements match the specified ±5V operational range. Ensure the application environment remains within the documented -40°C to +85°C temperature limits to maintain performance specifications.

Selection Notes

Select this model when a fixed gain of +2V/V is required for differential signal reception. Compare against MAX4145 or MAX4146 variants if variable gain settings via external resistors are necessary. Consider the 130MHz bandwidth and 1000V/µs slew rate for high-frequency signal integrity requirements in video or RF applications.

Part Context

This component belongs to the MAX4144/MAX4145/MAX4146 family of high-speed differential line receivers. While sharing similar architectural features and pinouts, the MAX4144 is distinguished by its internally fixed gain, whereas other family members offer adjustable gain ranges. This differentiation allows designers to choose based on specific circuit complexity and gain stability needs.

Replacement Considerations

MAX4145EEE

FAQ

How is the closed-loop gain determined for the MAX4144?

The MAX4144 has an internally set closed-loop gain of +2V/V and does not require an external gain-setting resistor.

What is the input architecture of the MAX4144?

It uses a three op-amp instrumentation amplifier architecture with fully symmetrical differential inputs and a single-ended output.

Can the MAX4144 drive capacitive loads directly?

The device can drive capacitive loads up to 25pF without oscillation, though isolation resistors may be needed for larger capacitances.