EC5721 datasheet(2/13 Pages) E-CMOS

2 / 13 page

1MHz, Low Power, CMOS,

Rail-to-Rail Operational Amplifier

EC5721

E-CMOS Corp. (www.ecmos.com.tw)

3L23N-Rev.P001

Page 2 of 13

Ordering Information

Part Number

Package

Marking

Marking Information

EC5721NNB2R

SOT23-5L

721YW

1. Y：Year

code(D=2013;E=2014;F=2015…)

2. W：Week Code( The big character of

A~Z is for the week of 1~26, and small a~z

is for the week of 27~52.

EC5721NNM1R

SOP-8L

EC5721

LLLLL

YYWWT

1. LLLLL：Last five Number of Lot No

2. YY：Year Code

3. WW：Week Code

4. T：Internal Tracking Code

Application Information

Size

EC5721 series op amps are unity-gain stable and suitable for a wide range of general-purpose applications. The

small footprints of the EC5721 series packages save space on printed circuit boards and enable the design of

smaller electronic products.

Power Supply Bypassing and Board Layout

EC5721 series operates from a single 2.2V to 5.5V supply or dual ±1.1V to ±2.75V supplies. For best performance, a

0.1μF ceramic capacitor should be placed close to the VDD pin in single supply operation. For dual supply operation,

both VDD and VSS supplies should be bypasse

d to ground with separate 0.1μFceramic capacitors.

Low Supply Current

The low supply current (typical 160

μA) of EC5721 series will help to maximize battery life. They are ideal for battery

powered Systems

Operating Voltage

EC5721 series operate under wide input supply voltage (2.2V to 5.5V). In addition, all temperature specifications

apply from -40℃ to +125℃. Most behavior remains unchanged throughout the full operating voltage range. These

guarantees ensure operation throughout the single Li-Ion battery lifetime.

EC5721NN XX X

B2：SOT23-5L

M1：SOP-8L

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