LT1631CS datasheet(7/16 Pages) LINER

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LT1630/LT1631

ELECTRICAL CHARACTERISTICS

–40

°C < TA < 85°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted. (Note 4)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOS

Input Offset Voltage

VCM = V

+ – 0.1V

350

1400

µV

VCM = V– + 0.2V

350

1400

µV

VOS TC

Input Offset Voltage Drift (Note 3)

4.5

µV/°C

VCM = V+ – 0.1V

1.5

µV/°C

∆VOS

Input Offset Voltage Shift

VCM = V– + 0.2V to V+ – 0.1V

180

1200

µV

Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.2V, V+ – 0.1V (Note 5)

350

2200

µV

Input Bias Current

VCM = V+ – 0.1V

690

1400

VCM = V– + 0.2V

– 1400

– 690

∆IB

Input Bias Current Shift

VCM = V– + 0.2V to V+ – 0.1V

1380

2800

Input Bias Current Match (Channel-to-Channel)

VCM = V+ – 0.1V (Note 5)

420

VCM = V– + 0.2V (Note 5)

420

IOS

Input Offset Current

VCM = V+ – 0.1V

210

VCM = V

– + 0.2V

210

∆IOS

Input Offset Current Shift

VCM = V

– + 0.2V to V+ – 0.1V

420

AVOL

Large-Signal Voltage Gain

VO = – 14.5V to 14.5V, RL = 10k

700

6000

V/mV

VO = – 10V to 10V, RL = 2k

400

4000

V/mV

Channel Separation

VO = – 10V to 10V, RL = 2k

112

132

CMRR

Common Mode Rejection Ratio

VCM = V

– + 0.2V to V+ – 0.1V

104

CMRR Match (Channel-to-Channel) (Note 5)

VCM = V

– + 0.2V to V+ – 0.1V

104

PSRR

Power Supply Rejection Ratio

VS = ±5V to ±15V

100

PSRR Match (Channel-to-Channel) (Note 5)

VS = ±5V to ±15V

100

VOL

Output Voltage Swing Low (Note 6)

No Load

ISINK = 5mA

180

350

ISINK = 25mA

700

1400

VOH

Output Voltage Swing High (Note 6)

No Load

ISOURCE = 5mA

300

600

ISOURCE = 25mA

1500

3000

ISC

Short-Circuit Current

±27

±54

Supply Current per Amplifier

4.8

5.9

GBW

Gain-Bandwidth Product (Note 7)

f = 100kHz

MHz

Slew Rate

AV = – 1, RL = Open, VO = ±10V,

4.2

8.5

µs

Measure at VO = ±5V

Note 5: Matching parameters are the difference between amplifiers A and

D and between B and C on the LT1631; between the two amplifiers on the

LT1630.

Note 6: Output voltage swings are measured between the output and

power supply rails.

Note 7: VS = 3V, VS = ±15V GBW limit guaranteed by correlation to

5V tests.

Note 8: VS = 3V, VS = 5V slew rate limit guaranteed by correlation to

±15V tests.

Note 9: Minimum supply voltage is guaranteed by testing the change of

VOS to be less than 250µV when the supply voltage is varied from 3V to

2.7V.

The q denotes specifications that apply over the full operating temperature

range.

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

of a device may be impaired.

Note 2: A heat sink may be required to keep the junction temperature

below the absolute maximum rating when the output is shorted

indefinitely.

Note 3: This parameter is not 100% tested.

Note 4: The LT1630C/LT1631C 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. Guaranteed I grade parts are available, consult factory.

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