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LT1678IS8

Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps

Linear Technology 

LT1678/LT1679

ELECTRICAL CHARACTERISTICS 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.

SYMBOL

IOS

PARAMETER

Input Offset Current

en

Input Noise Voltage

Input Noise Voltage Density (Note 8)

in

VCM

RIN

CIN

CMRR

PSRR

AVOL

Input Noise Current Density

Input Voltage Range

Input Resistance

Input Capacitance

Common Mode Rejection Ratio

Power Supply Rejection Ratio

Large-Signal Voltage Gain

VOL

Output Voltage Swing Low (Note 11)

CONDITIONS (Note 6)

MIN

(Note 11)

0°C ≤ TA ≤ 70°C

●

– 40°C ≤ TA ≤ 85°C

●

VS = 5V, VCM = VS + 0.1V

VS = 5V, VCM = VS – 0.3V, 0°C ≤ TA ≤ 70°C ●

VS = 5V, VCM = VS – 0.3V, – 40°C ≤ TA ≤ 85°C ●

VS = 5V, VCM = – 0.1V

VS = 5V, VCM = 0V, 0°C ≤ TA ≤ 70°C

●

VS = 5V, VCM = 0V, – 40°C ≤ TA ≤ 85°C

●

0.1Hz to 10Hz (Note 7)

VCM = VS

VCM = 0V

fO = 10Hz

VCM = VS, fO = 10Hz

VCM = 0V, fO = 10Hz

fO = 1kHz

VCM = VS, fO = 1kHz

VCM = 0V, fO = 1kHz

fO = 10Hz

fO = 1kHz

– 0.1

●

0

Common Mode

VS = 5V, VCM = 1.9V to 3.9V

VS = 5V, VCM = 1.9V to 3.9V

VS = 2.7V to 36V, VCM = VO = 1.7V

VS = 3.1V to 36V, VCM = VO = 1.7V

VS = 3V, RL = 10k, VO = 2.5V to 0.7V

VS = 3V, RL = 2k, VO = 2.2V to 0.7V

0°C ≤ TA ≤ 70°C

–40°C ≤ TA ≤ 85°C

VS = 3V, RL = 600Ω, VO = 2.2V to 0.7V

0°C ≤ TA ≤ 70°C

–40°C ≤ TA ≤ 85°C

VS = 5V, RL = 10k, VO = 4.5V to 0.7V

O°C < TA < 70°C

–40 < TA < 85°C

VS = 5V, RL = 2k, VO = 4.2V to 0.7V

0°C ≤ TA ≤ 70°C

–40°C ≤ TA ≤ 85°C

VS = 5V, RL = 600Ω, VO = 4.2V to 0.7V

0°C ≤ TA ≤ 70°C

–40°C ≤ TA ≤ 85°C

Above GND

ISINK = 0.1mA

0°C ≤ TA ≤ 70°C

– 40°C ≤ TA ≤ 85°C

98

● 92

100

● 98

0.6

● 0.3

0.5

● 0.4

● 0.4

0.20

● 0.15

● 0.10

1

● 0.6

● 0.3

0.7

● 0.6

● 0.5

0.6

● 0.5

● 0.4

●

●

TYP MAX

4

25

5

35

8

55

6

30

10

40

15

65

0.1

1.6

0.1

2.0

0.15

2.4

90

180

1600

4.4

6.6

19

3.9

5.5

5.3

9

1.2

0.3

VS + 0.1V

VS – 0.3V

2

4.2

120

120

125

120

3

2

3

0.9

0.8

0.43

0.40

0.35

3.8

2

2

3.5

3.2

3.0

3.0

2.8

2.5

UNITS

nA

nA

nA

nA

nA

nA

µA

µA

µA

nVP-P

nVP-P

nVP-P

nV/√Hz

nV/√Hz

nV/√Hz

nV/√Hz

nV/√Hz

nV/√Hz

pA/√Hz

pA/√Hz

V

V

GΩ

pF

dB

dB

dB

dB

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

V/µV

80

170

mV

125 200

mV

130 250

mV

sn16789 16789fs

3

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