LT1677CN8 datasheet(3/20 Pages) LINER

Part #	LT1677CN8

Description	Low Noise, Rail-to-Rail Precision Op Amp

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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3

LT1677

1677fa

SYMBOL

PARAMETER

CONDITIONS (Note 6)

MIN

TYP

MAX

UNITS

en

Input Noise Voltage

0.1Hz to 10Hz (Note 7)

90

nVP-P

VCM = VS

180

nVP-P

VCM = 0V

600

nVP-P

Input Noise Voltage Density (Note 8)

fO = 10Hz

5.2

nV/

√Hz

VCM = VS, fO = 10Hz

7

nV/

√Hz

VCM = 0V, fO = 10Hz

25

nV/

√Hz

fO = 1kHz

3.2

4.5

nV/

√Hz

VCM = VS, fO = 1kHz

5.3

nV/

√Hz

VCM = 0V, fO = 1kHz

17

nV/

√Hz

in

Input Noise Current Density

fO = 10Hz

1.2

pA/

√Hz

fO = 1kHz

0.3

pA/

√Hz

VCM

Input Voltage Range

– 0.1

VS + 0.1V

V

0

°C ≤ TA ≤ 70°C

●

0VS – 0.2V

V

–40

°C ≤ TA ≤ 85°C

●

0VS – 0.3V

V

RIN

Input Resistance

Common Mode

2

G

Ω

CIN

Input Capacitance

4.2

pF

CMRR

Common Mode Rejection Ratio (Note 11)

VS = 3V

VCM = –0.1V to 3.1V

55

68

dB

VCM = 0V to 2.7V

●

53

67

dB

VS = 5V

VCM = –0.1V to 5.1V

60

73

dB

VCM = 0V to 4.7V

●

58

72

dB

PSRR

Power Supply Rejection Ratio

VS = 2.7V to 40V, VCM = VO = 1.7V

108

125

dB

VS = 3.1V to 40V, VCM = VO = 1.7V

●

105

120

dB

AVOL

Large-Signal Voltage Gain

VS = 3V, RL ≥ 10k, VO = 2.5V to 0.7V

0.6

4

V/

µV

0

°C ≤ TA ≤ 70°C

●

0.4

3

V/

µV

–40

°C ≤ TA ≤ 85°C

●

0.4

3

V/

µV

VS = 3V, RL ≥ 2k, VO = 2.2V to 0.7V

0.5

1

V/

µV

0

°C ≤ TA ≤ 70°C

●

0.4

0.9

V/

µV

–40

°C ≤ TA ≤ 85°C

●

0.4

0.8

V/

µV

VS = 3V, RL ≥ 600Ω, VO = 2.2V to 0.7V

0.20

0.43

V/

µV

0

°C ≤ TA ≤ 70°C

●

0.15

0.40

V/

µV

–40

°C ≤ TA ≤ 85°C

●

0.10

0.35

V/

µV

VS = 5V, RL ≥ 10k, VO = 4.5V to 0.7V

0.8

5

V/

µV

0

°C ≤ TA ≤ 70°C

●

0.7

4

V/

µV

–40

°C ≤ TA ≤ 85°C

●

0.7

4

V/

µV

VS = 5V, RL ≥ 2k, VO = 4.2V to 0.7V

0.40

0.9

V/

µV

0

°C ≤ TA ≤ 70°C

●

0.35

0.8

V/

µV

–40

°C ≤ TA ≤ 85°C

●

0.25

0.6

V/

µV

VS = 5V, RL ≥ 600Ω, VO = 4.2V to 0.7V

0.35

0.67

V/

µV

0

°C ≤ TA ≤ 70°C

●

0.30

0.60

V/

µV

–40

°C ≤ TA ≤ 85°C

●

0.20

0.45

V/

µV

The

● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VS = 3V, VCM = VO = 1.7V; VS = 5V, VCM = VO = 2.5V unless

otherwise noted.

ELECTRICAL CHARACTERISTICS

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