LT1793CS8 datasheet(4/12 Pages) LINER

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LT1793

ELECTRICAL C

HARA TERISTICS The q denotes specifications which apply over the temperature range

–40

°C ≤ TA ≤ 85°C. VS = ±15V, VCM = 0V, unless otherwise noted. (Notes 8, 9)

SYMBOL

PARAMETER

CONDITIONS (Note 2)

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

VOS

Input Offset Voltage

0.65

1.3

1.6

4.8

VS = ±5V

1.00

1.9

2.0

5.5

∆VOS

Average Input Offset

(Note 6)

513

µV/°C

∆Temp

Voltage Drift

IOS

Input Offset Current

300

100

400

Input Bias Current

700

2400

800

3000

VCM

Input Voltage Range (Note 5)

12.6

13.0

12.6

13.0

– 10.0

– 10.5

– 10.0

– 10.5

CMRR

Common Mode Rejection Ratio

VCM = –10V to 12.6V

PSRR

Power Supply Rejection Ratio

VS = ±4.5V to ± 20V

AVOL

Large-Signal Voltage Gain

VO = ±12V, RL = 10k

850

3300

750

3000

V/mV

VO = ±10V, RL = 1k

400

2200

300

2000

V/mV

VOUT

Output Voltage Swing

RL = 10k

±12.8 ±13.1

RL = 1k

±11.8 ±12.1

Slew Rate

RL ≥ 2k

2.1

3.2

2.1

3.2

µs

GBW

Gain-Bandwidth Product

fO = 100kHz

23.1

MHz

Supply Current

4.2

5.40

4.2

5.40

VS = ±5V

4.2

5.35

4.2

5.35

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

of a device may be impaired.

Note 2: Typical parameters are defined as the 60% yield of parameter

distributions of individual amplifiers.

Note 3: IB and IOS readings are extrapolated to a warmed-up temperature

from 25

°C measurements and 32°C characterization data.

Note 4: Current noise is calculated from the formula:

in = (2qIB)1/2

where q = 1.6 • 10 –19 coulomb. The noise of source resistors up to 200M

swamps the contribution of current noise.

Note 5: Input voltage range functionality is assured by testing offset

voltage at the input voltage range limits to a maximum of 2.3mV

(A grade) to 2.8mV (C grade).

Note 6: This parameter is not 100% tested.

Note 7: Slew rate is measured in AV = –1; input signal is ±7.5V, output

measured at

±2.5V.

Note 8: The LT1793AC and LT1793C are guaranteed to meet specified

performance from 0

°C to 70°C and are designed, characterized and

expected to meet these extended temperature limits, but are not tested at

–40

°C and 85°C. The LT1793I is guaranteed to meet the extended

temperature limits. The LT1793AC and LT1793AI grade are 100%

temperature tested for the specified temperature range.

Note 9: The LT1793 is measured in an automated tester in less than one

second after application of power. Depending on the package used, power

dissipation, heat sinking, and air flow conditions, the fully warmed-up chip

temperature can be 10

°C to 50°C higher than the ambient temperature.

LT1793AC/LT1793AI

LT1793C/LT1793I

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