3

LT1115

1115fa

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

CMRR

Common Mode Rejection

104

123

dB

Ratio

PSRR

Power Supply Rejection

104

126

dB

Ratio

Large-Signal Voltage Gain

2.0

20

V/µV

1.5

15

V/µV

1.0

10

V/µV

Maximum Output Voltage

No Load

±15.5

±16.5

V

Swing

±14.5

±15.5

V

±11.0

±14.5

V

SR

Slew Rate

10

15

V/µs

GBW

Gain-Bandwidth Product

fo = 20kHz (Note 4)

40

70

MHz

Zo

Open Loop 0utput Impedance

Vo = 0, Io = 0

70

Ω

Supply Current

8.5

11.5

mA

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

V

OS

Input Offset Voltage

(Note 2)

●

75

280

µV

0.5

µV/°C

I

OS

Input Offset Current

●

40

300

nA

I

B

Input Bias Current

●

±70

±550

nA

Input Voltage Range

●

±13

±14.8

V

CMRR

Common Mode Rejection

●

100

120

dB

Ratio

PSRR

Power Supply Rejection

●

100

123

dB

Ratio

Large-Signal Voltage Gain

●

1.5

15

V/µV

1.0

10

V/µV

Maximum Output Voltage

No Load

±15

±16.3

V

Swing

●

±13.8

±15.3

V

±10

±14.3

V

Supply Current

●

9.3

13

mA

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: Input Offset Voltage measurements are performed by automatic

test equipment approximately 0.5 sec after application of power.

Note 3: Current noise is defined and measured with balanced source

resistors. The resultant voltage noise (after subtracting the resistor noise

on an RMS basis) is divided by the sum of the two source resistors to

obtain current noise.

Note 4: Gain-bandwidth product is not tested. It is guaranteed by design

and by inference from the slew rate measurement.

Note 5: The inputs are protected by back-to-back diodes. Current limiting

resistors are not used in order to achieve low noise. If differential input

voltage exceeds ±1.8V, the input current should be limited to 25mA.

ELECTRICAL CHARACTERISTICS