LTC6244HVCMS8 datasheet(8/24 Pages) LINER

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LTC6244

6244f

ELECTRICAL CHARACTERISTICS (LTC6244H) The ● denotes the speciﬁcations which apply from –40°C to

125°C, otherwise speciﬁcations are at TA = 25°C. VS = 3V, 0V, VCM = 1.5V unless otherwise noted.

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

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: The LTC6244C/LTC6244HVC are guaranteed to meet speciﬁed

performance from 0°C to 70°C. They are designed, characterized and

expected to meet speciﬁed performance from –40°C to 85°C, but are not

tested or QA sampled at these temperatures. The LTC6244I/LTC6244HVI,

are guaranteed to meet speciﬁed performance from –40°C to 85°C. The

LTC6244H is guaranteed to meet speciﬁed performance from –40°C to

125°C.

Note 4: ESD (Electrostatic Discharge) sensitive device. ESD protection

devices are used extensively internal to the LTC6244; however, high

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

handling precautions.

Note 5: Matching parameters are the difference between the two ampliﬁers

of the LTC6244. CMRR and PSRR match are deﬁned as follows: CMRR

and PSRR are measured in µV/V on the ampliﬁers. The difference is

calculated between the sides in µV/V. The result is converted to dB.

Note 6: This parameter is not 100% tested.

Note 7: This speciﬁcation is limited by high speed automated test

capability. See Typical Characteristics curves for actual typical

performance.

Note 8: 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

50G

Ω dominates the contribution of current noise. See also Typical

Characteristics curve Noise Current vs Frequency.

Note 9: Output voltage swings are measured between the output and

power supply rails.

Note 10: Minimum supply voltage is guaranteed by the power supply

rejection ratio test.

Note 11: Slew rate is measured in a gain of –2 with RF = 1k and RG =

500

Ω. VIN is ±1V and VOUT slew rate is measured between –1V and

+1V. On the LTC6244HV/LTC6245HV, VIN is ±2V and VOUT slew rate is

measured between –2V and +2V.

Note 12: Full-power bandwidth is calculated from the slew rate:

FPBW = SR/2πVP.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

PSRR Match Channel-to-Channel

(Note 5)

●

Minimum Supply Voltage (Note 10)

●

2.8

ISC

Short-Circuit Current

●

5mA

Supply Current per Ampliﬁer

●

4.8

5.8

GBW

Gain Bandwidth Product

Frequency = 20kHz, RL = 1kΩ

●

MHz

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