LT6555IGN datasheet(2/16 Pages) LINER

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LT6555

6555f

Total Supply Voltage (V+ to V–) ............................ 12.6V

Input Current (Note 2) ........................................

±10mA

Output Current (Continuous) .............................

±70mA

EN to DGND Voltage (Note 2) ................................. 5.5V

SEL to DGND Voltage (Note 2) .................................. 8V

Output Short-Circuit Duration (Note 3) ............ Indefinite

Operating Temperature Range (Note 4) ... –40

°C to 85°C

Specified Temperature Range (Note 5) .... –40

°C to 85°C

ORDER PART

NUMBER

TJMAX = 150°C, θJA = 90°C/W

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

LT6555CGN

LT6555IGN

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

Junction Temperature

SSOP ................................................................ 150

°C

QFN .................................................................. 125

°C

Storage Temperature Range

SSOP ................................................. –65

°C to 150°C

QFN ................................................... –65

°C to 125°C

Lead Temperature (Soldering, 10 sec)

SSOP ................................................................ 300

°C

TOP VIEW

GN PACKAGE

24-LEAD PLASTIC SSOP

IN1A

DGND

IN2A

VREF

IN3A

AGND1

IN1B

AGND2

IN2B

AGND3

IN3B

V–

V+

SEL A/B

V+

OUT1

V–

OUT2

V+

OUT3

V–

V+

G = +2

ORDER PART

NUMBER

UF PART*

MARKING

6555

LT6555CUF

LT6555IUF

24 23 22 21 20 19

TOP VIEW

UF PACKAGE

24-LEAD (4mm

× 4mm) PLASTIC QFN

10 11 12

VREF

IN3A

AGND1

V–

IN1B

AGND2

V+

OUT1

V–

OUT2

V+

OUT3

TJMAX = 125°C, θJA = 37°C/W, θJC = 2.6°C/W

EXPOSED PAD (PIN 25) IS V–

MUST BE SOLDERED TO PCB

ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VS = ±5V, RL = 150Ω, CL = 1.5pF, VEN = 0.4V, VAGND, VDGND, VVREF = 0V.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOS

Input Referred Offset Voltage

VIN = 0V, VOS = VOUT/2

±16

●

±24

IIN

Input Current

●

–17

±45

µA

RIN

Input Resistance

VIN = ±1V

●

100

400

Ω

CIN

Input Capacitance

f = 100kHz

PSRR

Power Supply Rejection Ratio

VS = ±2.25V to ±6V (Note 6)

●

IPSRR

Input Current Power Supply Rejection

VS = ±2.25V to ±6V (Note 6)

●

±4

µA/V

AV ERR

Gain Error

VOUT = ±2V, Nominal Gain 2V/V

●

±2.5

AV MATCH

Gain Matching

Any One Channel to Another

±0.33

VOUT

Output Voltage Swing

(Note 7)

±3.15

±3.4

●

±3.0

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