LT1990

7

1990f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

∆G

Gain Error

LT1990, G = 1

●

0.67

%

LT1990A, G = 1

●

0.35

%

G = 10

●

0.9

%

GNL

Gain Nonlinearity

G = 1

●

0.003

%

G = 10

●

0.03

%

G/T

Gain vs Temperature

G = 1 (Note 10)

●

2

10

ppm/°C

G = 10 (Note 10)

●

7

20

ppm/°C

Input Voltage Range

Guaranteed by CMRR

●

–250

250

V

CMRR

Common Mode Rejection Ratio, RTI

LT1990

●

58

dB

LT1990A

●

67

dB

Input Offset Voltage, RTI

G = 1, 10

●

6.7

mV

Input Offset Voltage Drift, RTI

(Note 10)

●

522

µV/°C

Input Offset Voltage Hysteresis, RTI

(Note 11)

●

250

µV

PSRR

Power Supply Rejection Ratio, RTI

●

78

dB

Minimum Supply Voltage

Guaranteed by PSRR

●

±1.35

V

Supply Current

280

µA

Output Voltage Swing

●

±14.3

V

Output Short-Circuit Current

●

3mA

●

10

mA

SR

Slew Rate

●

0.2

V/µs

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

of a device may be impaired.

Note 2: ESD (Electrostatic Discharge) sensitive device. Extensive use of

ESD protection devices are used internal to the LT1990, however, high

electrostatic discharge can damage or degrade the device. Use proper ESD

handling precautions.

Note 3: A heat sink may be required to keep the junction temperature

below absolute maximum.

Note 4: The LT1990C/LT1990I are guaranteed functional over the

operating temperature range of – 40°C to 85°C.

Note 5: The LT1990C is guaranteed to meet the specified performance

from 0°C to70°C and is designed, characterized and expected to meet

specified performance from –40°C to 85°C but is not tested or QA

sampled at these temperatures. The LT1990I is guaranteed to meet

specified performance from –40°C to 85°C.

Note 6: G = 10 limits are guaranteed by correlation to G = 1 tests and gain

error tests at G = 10.

Note 7: Limits are guaranteed by correlation to –5V to 80V CMRR tests.

Note 10: This parameter is not 100% tested.

Note 11: Hysteresis in offset voltage is created by package stress that

differs depending on whether the IC was previously at a higher or lower

temperature. Offset voltage hysteresis is always measured at 25°C, but the

IC is cycled to 85°C I-grade (or 70°C C-grade) or –40°C I-grade (0°C

C-grade) before successive measurement.

±15V ELECTRICAL CHARACTERISTICS

The

G = 1, 10, unless otherwise noted. (Notes 4, 6)