MP5121, MP5221, MP5421

High Speed, Rail-to-Rail Input-Output, and

Single-Supply Op Amps

MP5121_MP5221_MP5421 Rev. 0.91

www.MonolithicPower.com

1

12/9/2009

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2009 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

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). The

MP5121 family provides excellent overall

performance and versatility. The 20MHz –3dB

bandwidth and 45V/

µs slew rate make these

amplifier

suitable

for

many

portable

applications.

The MP5121, MP5221, and MP5421 are

designed to operate at supply voltages as low

as 3.2V and up to 20V at 1.6mA of supply

current per amplifier. The MP5121 family has

true single supply capability. The input can

swing 0.5V below the negative rail and 0.5V

above the positive rail. The output can swing

within 100mV of each rail.

The MP5421 quad channel is available in the

space-saving 14-pin TSSOP package. The

MP5221 Dual channel is available in the 8-pin

MSOP package and the MP5121 single

channel is available in 5-pin TSOT package. All

feature a standard operational amplifier pin out.

FEATURES

• 20MHz –3dB Bandwidth

• 45V/µs 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

• MP5421 Available in TSSOP-14

APPLICATIONS

• TFT-LCD Drive Circuits

• Electronic Notebooks

• Electronic Games

• Touch-Screen Displays

• Personal Communication Devices

• Personal Digital Assistants (PDA)

• Portable Instrumentation

• Sampling ADC Amplifiers

• Wireless LAN

• Office Automation

• Active Filters

• ADC/DAC Buffer

“MPS” and “The Future of Analog IC Technology” are Registered Trademarks

of Monolithic Power Systems, Inc.