LT1970_15 datasheet(2/26 Pages) LINER

2 / 26 page

LT1970

1970fd

For more information www.linear.com/LT1970

ABSOLUTE MAXIMUM RATINGS

Supply Voltage (VCC to VEE)..................................... 36V

Positive High Current Supply (V+)................... V– to VCC

Negative High Current Supply(V–) ....................VEE to V+

Amplifier Output (OUT) ..................................... V– to V+

Current Sense Pins

(SENSE+, SENSE–, FILTER)........................... V– to V+

Logic Outputs (ISRC, ISNK, TSD) ....... COMMON to VCC

Input Voltage (–IN, +IN)............ VEE – 0.3V to VEE + 36V

Input Current......................................................... 10mA

Current Control Inputs

(VCSRC, VCSNK)..............COMMON to COMMON + 7V

Enable Logic Input .............................. COMMON to VCC

COMMON....................................................... VEE to VCC

Output Short-Circuit Duration ......................... Indefinite

Operating Temperature Range (Note 2)....–40°C to 85°C

Specified Temperature Range (Note 3) .... –40°C to 85°C

Maximum Junction Temperature.......................... 150°C

Storage Temperature Range...................–65°C to 150°C

Lead Temperature (Soldering, 10 sec) .................. 300°C

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Op Amp Characteristics

VOS

Input Offset Voltage

0°C < TA < 70°C

–40°C < TA < 85°C

200

600

1000

1300

µV

Input Offset Voltage Drift (Note 4)

–10

–4

µV/°C

IOS

Input Offset Current

VCM = 0V

–100

100

Input Bias Current

VCM = 0V

–600

–160

Input Noise Voltage

0.1Hz to 10Hz

µVP-P

Input Noise Voltage Density

1kHz

nV/√Hz

Input Noise Current Density

1kHz

pA/√Hz

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

SPECIFIED TEMPERATURE RANGE

LT1970CFE#PBF

LT1970CFE#TRPBF

LT1970CFE

20-Lead Plastic TSSOP

0°C to 70°C

LT1970IFE#PBF

LT1970IFE#TRPBF

LT1970IFE

20-Lead Plastic TSSOP

–40°C to 85°C

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

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

ORDER INFORMATION

PIN CONFIGURATION

FE PACKAGE

20-LEAD PLASTIC TSSOP

TOP VIEW

VEE

V–

OUT

SENSE+

FILTER

SENSE–

VCC

–IN

+IN

VEE

V+

TSD

ISNK

ISRC

ENABLE

COMMON

VCSRC

VCSNK

VEE

TJMAX = 150°C, θJA = 40°C/W (NOTE 8)

EXPOSED PAD (PIN 21) IS CONNECTED TO VEE

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. See Test Circuit for standard test conditions.

ELECTRICAL CHARACTERISTICS

LT1970 Scheda tecnica(PDF) 2 Page - Linear Technology

LT1970 Scheda tecnica(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

Scheda tecnica Scarica

Link URL