LT1128MJ8 datasheet(3/20 Pages) LINER

Part #	LT1128MJ8

Description	Ultra Low Noise Precision High Speed Op Amps

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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3

LT1028/LT1128

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Input Noise Voltage Density

fO = 10Hz (Note 4)

1.00

1.7

1.0

1.9

nV/

√Hz

fO = 1000Hz, 100% tested

0.85

1.1

0.9

1.2

nV/

√Hz

In

Input Noise Current Density

fO = 10Hz (Note 3 and 5)

4.7

10.0

4.7

12.0

pA/

√Hz

fO = 1000Hz, 100% tested

1.0

1.6

1.0

1.8

pA/

√Hz

Input Resistance

Common Mode

300

M

Ω

Differential Mode

20

k

Ω

Input Capacitance

5

pF

Input Voltage Range

±11.0 ±12.2

V

CMRR

Common-Mode Rejection Ratio

VCM = ±11V

114

126

110

126

dB

PSRR

Power Supply Rejection Ratio

VS = ±4V to ±18V

117

133

110

132

dB

AVOL

Large-Signal Voltage Gain

RL ≥ 2k, VO = ±12V

7.0

30.0

5.0

30.0

V/

µV

RL ≥ 1k, VO = ±10V

5.0

20.0

3.5

20.0

V/

µV

RL ≥ 600Ω, VO = ±10V

3.0

15.0

2.0

15.0

V/

µV

VOUT

Maximum Output Voltage Swing

RL ≥ 2k

±12.3 ±13.0

±12.0 ±13.0

V

RL ≥ 600Ω±11.0 ±12.2

±10.5 ±12.2

V

SR

Slew Rate

AVCL = –1

LT1028

11.0

15.0

11.0

15.0

V/

µs

AVCL = –1

LT1128

5.0

6.0

4.5

6.0

V/

µs

GBW

Gain-Bandwidth Product

fO = 20kHz (Note 6)

LT1028

50

75

50

75

MHz

fO = 200kHz (Note 6)

LT1128

13

20

11

20

MHz

ZO

Open-Loop Output Impedance

VO = 0, IO = 0

80

Ω

IS

Supply Current

7.4

9.5

7.6

10.5

mA

ELECTRICAL C

C

HARA TERISTICS V

S = ±15V, TA = 25°C, unless otherwise noted.

LT1028AM/AC

LT1128AM/AC

LT1028M/C

LT1128M/C

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

VOS

Input Offset Voltage

(Note 1)

q

30

120

45

180

µV

∆VOS

Average Input Offset Drift

(Note7)

q

0.2

0.8

0.25

1.0

µV/°C

∆Temp

IOS

Input Offset Current

VCM = 0V

q

25

90

30

180

nA

IB

Input Bias Current

VCM = 0V

q

±40

±150

±50

±300

nA

Input Voltage Range

q

±10.3 ±11.7

V

CMRR

Common-Mode Rejection Ratio

VCM = ±10.3V

q

106

122

100

120

dB

PSRR

Power Supply Rejection Ratio

VS = ±4.5V to ±16V

q

110

130

104

130

dB

AVOL

Large-Signal Voltage Gain

RL ≥ 2k, VO = ±10V

q

3.0

14.0

2.0

14.0

V/

µV

RL ≥ 1k, VO = ±10V

2.0

10.0

1.5

10.0

V/

µV

VOUT

Maximum Output Voltage Swing

RL ≥ 2k

q

±10.3 ±11.6

V

IS

Supply Current

q

8.7

11.5

9.0

13.0

mA

LT1028AM

LT1128AM

LT1028M

LT1128M

ELECTRICAL C

C

HARA TERISTICS V

S = ±15V, –55°C ≤ TA ≤ 125°C, unless otherwise noted.

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