MAX4019ESD+T

Instrumentation, Op Amps, Buffer Amps Overview

The MAX4019ESD+T is a precision, closed-loop buffer featuring four channels with internal resistors for fixed gains of +2 or -1. It operates from single supplies of +3.15V to +11V or dual supplies of ±1.575V to ±5.5V. The device provides rail-to-rail outputs and an input range extending 100mV beyond the negative rail. Key electrical parameters include a 200MHz small-signal bandwidth, 600V/µs slew rate, and 5.5mA quiescent current per channel. A disable feature reduces supply current to 400µA. It is housed in a 14-pin SO package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Internal precision resistors provide fixed closed-loop voltage gains of +2V/V or -1V/V without external components.
• Rail-to-Rail output stage drives loads close to power supply rails while maintaining low output impedance.
• Enable pin allows switching between active mode (5.5mA) and low-power shutdown mode (400µA).
• High-speed performance includes 200MHz bandwidth and 600V/µs slew rate for video and RF applications.

Instrumentation, Op Amps, Buffer Amps Applications

• Video line drivers
• Analog-to-digital converter interfaces
• CCD imaging systems
• Video routing and switching systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'ESD' indicates the 14-pin SO package variant when sourcing. Confirm RoHS compliance status via official manufacturer documentation prior to integration. Ensure the enable pin logic levels match the system control voltages to prevent unintended activation or high standby current draw during disabled states.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for designs requiring multiple buffered channels with fixed gain configurations in a compact footprint. The integrated enable function supports power management strategies in battery-operated equipment. Consider the 14-pin SO package constraints regarding thermal dissipation and PCB layout requirements for high-frequency signal integrity compared to other family members like the MAX4014.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the MAX4014/MAX4017/MAX4019/MAX4022 family of low-cost, high-speed, single-supply buffers. While sharing core amplifier architecture, the MAX4019 specifically integrates four channels and includes individual enable pins for each buffer, distinguishing it from the two-channel MAX4017 and the unbuffered MAX4014.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

MAX4017ESA+T

Instrumentation, Op Amps, Buffer Amps FAQ

How does the MAX4019 achieve its fixed voltage gains?

The device utilizes internal precision resistors configured to provide a closed-loop gain of +2V/V in non-inverting mode or -1V/V in inverting mode, eliminating the need for external feedback resistors.

What is the effect of disabling the MAX4019 buffers?

Activating the disable feature via the EN_ pin reduces the quiescent supply current from approximately 5.5mA to 400µA per buffer, placing the device in a low-power state while maintaining high off-isolation.