APX321 datasheet(4/18 Pages) DIODES

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APX321/APX358/APX324

LOW VOLTAGE, RAIL-TO-RAIL INPUT AND OUTPUT

SINGLE/DUAL/QUAD OPERATIONAL AMPLIFIERS

APX321/APX358/APX324 Rev. 13

4 of 18

FEBRUARY 2009

www.diodes.com

Electrical Characteristics

2.7V DC Electrical Characteristics

Unless otherwise specified, all limits guaranteed for TA = 25°C, V

+ = 2.7V, V- = 0V, VCM = 1.0V, VO = V+/2 and RL > 1 MΩ.

Symbol

Parameter

Test Conditions

Min

(Note 10)

Typ.

(Note 9)

Max

(Note 10)

Unit

VOS

Input Offset Voltage

1.7

TCVOS

Input Offset Voltage

Average Drift

µV/°C

Input Bias Current

IOS

Input Offset Current

CMRR

Common Mode Rejection

Ratio

≤ V

CM ≤ 2.4V

PSRR

Power Supply Rejection

Ratio

2.7V

≤ V+ ≤ 5V

VO = 1V

VCMR

Input Common-Mode

Voltage Range

For CMRR

≥ 50dB

-0.2

2.5

Output Swing

RL = 10 kΩ to 1.35V

+ - 100

+ - 20

100

Supply Current

APX321

Single amplifier

110

140

µA

APX358

Both amplifiers

190

340

µA

APX324

All four amplifiers

340

680

µA

2.7V AC Electrical Characteristics

Unless otherwise specified, all limits guaranteed for TA = 25°C, V

+ = 2.7V, V- = 0V, VCM = 1.0V, VO = V+/2 and RL > 1 MΩ.

Symbol

Parameter

Test Conditions

Min

(Note 10)

Typ.

(Note 9)

Max

(Note 10)

Unit

GBWP

Gain-Bandwidth Product

CL = 200 pF

MHz

Φm

Phase Margin

Deg

Gain Margin

Input-Referred Voltage

Noise

f > 50 KHz

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