MAX4481AXT 查看數據表（PDF） - Maxim Integrated

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MAX4481AXT

(MAX4480–MAX4483) Single/Dual/Quad, Low-Cost, Single-Supply, Rail-to-Rail Op Amps with Shutdown

Maxim Integrated 

MAX4480–MAX4483

Single/Dual/Quad, Low-Cost, Single-Supply,

Rail-to-Rail Op Amps with Shutdown

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V, VSS = 0V, VCM = 0V, VOUT = VDD/2, RL ≥ 1MΩ connected to VDD/2, SHDN = VDD (MAX4481 only), TA = +25°C, unless

otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Phase Margin

φM

Gain Margin

70

degrees

30

dB

Slew Rate

Input Voltage Noise Density

Input Current Noise Density

Capacitive-Load Stability

Shutdown Delay Time

Enable Delay Time

Power-On Time

Input Capacitance

SR

en

in

CLOAD

tSHDN

tEN

tON

CIN

f = 10kHz

f = 10kHz

AV = +1V/V

MAX4481 only

MAX4481 only

80

V/ms

100

nV/√Hz

1

fA/√Hz

400

pF

0.4

µs

12

µs

15

µs

2.0

pF

Total Harmonic Distortion

THD

f = 1kHz, VOUT =

2Vp-p, AV = +1V/V

RL = 100kΩ

0.005

%

Settling Time to 0.1%

tS

VOUT = 2V step

50

µs

ELECTRICAL CHARACTERISTICS

(VDD = +5V, VSS = 0V, VCM = 0V, VOUT = VDD/2, RL ≥ 1MΩ connected to VDD/2, SHDN = VDD (MAX4481 only), TA = -40°C to

+125°C, unless otherwise noted.) (Note 2)

PARAMETER

Supply Voltage Range

Supply Current per Amplifier

Supply Current in Shutdown

Input Offset Voltage

Input Offset Voltage Drift

Input Bias Current

Input Offset Current

Input Common-Mode Voltage

Range

SYMBOL

VDD

IDD

ISHDN

VOS

TCVOS

IB

IOS

CONDITIONS

Inferred from PSRR test

SHDN = VSS, (MAX4481 only)

(Note 1)

(Note 1)

VCM Inferred from CMRR test

MIN TYP MAX UNITS

2.5

5.5

V

120

µA

1.0

µA

9

mV

±3

µV/°C

±100 pA

±100 pA

VSS

VDD - 1.4 V

Common-Mode Rejection Ratio

Power-Supply Rejection Ratio

CMRR

PSRR

VSS ≤ VCM ≤ VDD - 1.4V

2.5V ≤ VCC ≤ 5.5V

67

dB

77

dB

Shutdown Mode Output Leakage

IOUTSHDN

Device in shutdown

mode, SHDN = VSS,

VSS < VOUT < VCC

(MAX4481 only)

-40°C to +85°C

+85°C to +125°C

±0.5

µA

±2.5

SHDN Logic Low

VIL

MAX4481 only

0.3 ✕ VDD

V

SHDN Logic High

VIH

MAX4481 only

0.7 ✕ VDD

V

SHDN Input Current

IIL, IIH SHDN = VDD or VSS (Note 1) (MAX4481 only)

1

µA

Large-Signal Voltage Gain

AVOL VSS + 0.1V ≤ VOUT ≤ VDD - 0.20V, RL = 5kΩ

84

dB

Output Voltage High

VOH Specified as VDD - VOUT, RL = 5kΩ

200

mV

Output Voltage Low

VOL Specified as VOUT - VSS, RL = 5kΩ

50

mV

Note 1: Guaranteed by design.

Note 2: Specifications are 100% tested at TA = +25°C (exceptions noted). All temperature limits are guaranteed by design.

Maxim Integrated

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