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MAX4208

Ultra-Low Offset/Drift, Precision Instrumentation Amplifiers with REF Buffer

Maxim Integrated 

Ultra-Low Offset/Drift, Precision

Instrumentation Amplifiers with REF Buffer

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 5V, VSS = 0, VCM = VREF = VDD/2, VREFIN/MODE = VSS, RL = 100kΩ to VDD/2, VDIFF = (VIN+ - VIN-) = 0V, MAX4208 set for

G = 100V/V (R1 = 1kΩ, R2 = 99kΩ), TA = +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Settling Time

MAX4208,

tS

To within 0.1% of final

value

G = 1V/V

MAX4209H

10

µs

120

Maximum Capacitive Load

Input-Voltage Noise

Power-Up Time

CL

No sustained oscillations

f = 0.1Hz to 10Hz

en

f = 1kHz

To within 0.1% of final value

200

pF

2.5

µVP-P

140

nV/√Hz

20

ms

Shutdown Enable/Disable Time

POWER SUPPLY

Supply Voltage

Supply Current

tEN, tDIS

VDD

Guaranteed by PSRR test

VREFIN/MODE = VSS,

buffer OFF

VDD = 5V

IDD

(VSS + 0.2V) ≤ VREFIN/MODE

≤ (VDD - 1.3V), buffer ON

VDD = 5V

VREFIN/MODE = VDD, shutdown mode

20

ms

2.85

5.50

V

0.75 1.30

mA

1.40 2.30

1.4

5.0

µA

ELECTRICAL CHARACTERISTICS

(VDD = 5V, VSS = 0, VCM = VREF = VDD/2, VREFIN/MODE = VSS, RL = 100kΩ to VDD/2, VDIFF = (VIN+ - VIN-) = 0V, MAX4208 set for

G = 100V/V (R1 = 1kΩ, R2 = 99kΩ), TA = -40°C to +125°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

INPUT DC CHARACTERISTICS

Input Offset Voltage

Input Offset Voltage

Temperature Drift

(Note 2)

Input Bias Current

Gain Error

VOS

TCVOS

MAX4208, G = 100V/V

MAX4209H, G = 100V/V

MAX4208, G = 100V/V

MAX4209H, G = 100V/V

(Note 3)

-100mV ≤ VDIFF < +100mV

MAX4208, G = 100V/V,

-20mV ≤ VDIFF ≤ +20mV

MAX4209H, G = 100V/V,

-20mV ≤ VDIFF ≤ +20mV

TA = +25°C to +85°C

TA = -40°C to +125°C

TA = +25°C to +85°C

TA = -40°C to +125°C

TA = +25°C to +85°C

TA = -40°C to +125°C

TA = +25°C to +85°C

TA = -40°C to +125°C

TA = +85°C

TA = +125°C

TA = +25°C to +85°C

TA = -40°C to +125°C

TA = +25°C to +85°C

TA = -40°C to +125°C

±45

±60

µV

±30

±40

0.1 ±0.45

0.1 ±0.45

µV/°C

0.01 ±0.17

0.01 ±0.17

10

pA

20

0.30

0.35

%

0.30

0.35

4 _______________________________________________________________________________________

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