MP5421 3.2-20V Single-Supply Op Amps TSOT-5

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MP5421 3.2-20V Single-Supply Op Amps TSOT-5

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MPS Power Management Analog ICs TSOT-5

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MP5421 3.2-20V Single-Supply Op Amps TSOT-5

The MPS MP5421 is a Single-Supply Op Amps. It operates from a 3.2 V to 20 V input. It is supplied in a TSOT-5 package.

The MP5121(single), MP5221(dual), and MP5421(quad) are high-speed, high-voltage rail-to-rail input-output amplifiers for use as voltage reference buffers in Thin Film Transistor Liquid Crystal Displays (TFT-LCDs).

Key Specifications

Part Number	MP5421
Function	Single-Supply Op Amps
Input Voltage	3.2 V to 20 V
Package	TSOT-5
Ordering Codes	MP5421

Features

20MHz –3dB Bandwidth
45V/s Slew Rate
Single-Supply Operation: 3.2V to 20V
Supply Current (per amplifier)1.6mA
Unity-Gain Stable
Output Swing within 100mV of Supply Rail
Rail-to-Rail Input Capability
High Output Drive Capability (50mA)
MP5121 Available in TSOT-5
MP5221 Available in MSOP-8

Typical Application Circuit

Applications

TFT-LCD Drive Circuits
Electronic Notebooks
Electronic Games
Touch-Screen Displays
Personal Communication Devices
Personal Digital Assistants (PDA)
Portable Instrumentation
Sampling ADC Amplifiers

Design Notes

Check the input common-mode range against the actual signal, especially in single-supply rails where ground-referenced signals sit at the edge.
Capacitive load drives stability; add series isolation when driving cables or ADC inputs directly.
Offset voltage and its drift, not gain bandwidth, usually set the achievable accuracy in DC instrumentation.
Decouple at the pin with the smallest package capacitor that meets the transient requirement, returned to a local ground.