ECV321 datasheet(9/13 Pages) E-CMOS

9 / 13 page

1MHz, 1.8V, CMOS,

Rail-to-Rail Operational Amplifier

ECV321

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

5A15N-Rev.F002

Page 9 of 13

Electrical Characteristics

(VDD = +5V, Vss = 0V, VCM = 0V, VOUT = VDD/2, RL=100K tied to VDD/2, SHDNB = VDD, TA = -40°C to +125°C,

unless otherwise noted. Typical values are at TA =+25°C.) (Notes 1)

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Supply-Voltage Range

VDD

Guaranteed by the PSRR test

1.8

5.5

Quiescent Supply Current (per

Amplifier)

VDD = 5V

µA

Input Offset Voltage

VOS

0.5

Input Offset Voltage Tempco

∆VOS/∆T

µV/°C

Input Bias Current

(Note 2)

Input Offset Current

IOS

(Note 2)

Input Common-Mode Voltage

Range

VCM

-0.1

VDD+0.1

VDD=5.5 Vss-0.1V≦VCM≦VDD+0.1V

Common-Mode Rejection Ratio

CMRR

Vss≦VCM≦5V

Power-Supply Rejection Ratio

PSRR

VDD = +1.8V to +5.5V

VDD=5V, RL=100kΩ,

0.05V≦VO≦4.95V

100

Open-Loop Voltage Gain

VDD=5V, RL=5kΩ,

0.05V≦VO≦4.95V

|VIN+-VIN-|

10mV

VDD-VOH

RL = 100kΩto VDD/2

VOL-VSS

|VIN+-VIN-|

10mV

VDD-VOH

Output Voltage Swing

VOUT

RL = 5kΩto VDD/2

VOL-VSS

Output Short-Circuit Current

ISC

Sinking or Sourcing

Gain Bandwidth Product

GBW

AV = +1V/V

MHz

Slew Rate

AV = +1V/V

0.6

V/µs

Settling Time

To 0.1%, VOUT = 2V step

AV = +1V/V

µs

Over Load Recovery Time

VIN×Gain=VS

µs

ƒ = 1kHz

nV/√Hz

Input Voltage Noise Density

ƒ = 10kHz

nV/√Hz

Note 1: All devices are 100% production tested at TA = +25°C ; all specifications over the automotive temperature

range is guaranteed by design, not production tested.

Note 2: Parameter is guaranteed by design.

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