ECV321 datasheet(2/13 Pages) E-CMOS

2 / 13 page

1MHz, 1.8V, CMOS,

Rail-to-Rail Operational Amplifier

ECV321

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

5A15N-Rev.F002

Page 2 of 13

Ordering Information

Part Number

Package

Marking

Marking Information

ECV321NNB2R

SOT23-5L

V321

“-“：Tracking code

ECV321NNM1R

SOP-8L

ECV321

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

ECV321 series op amps are unity-gain stable and suitable for a wide range of general-purpose applications. The

small footprints of the ECV321 series packages save space on printed circuit boards and enable the design of

smaller electronic products.

Power Supply Bypassing and Board Layout

ECV321 series operates from a single 1.8V to 5.5V supply or dual ±0.9V 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 bypassed to ground with separate 0.1µFceramic capacitors.

Low Supply Current

The low supply current (typical 55µA) of ECV321 series will help to maximize battery life. They are ideal for battery

powered Systems

ECV321NN XX X

B2：

：

：SOT23-5L

M1：

：

：SOP-8L

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