Datasheet LT1970 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 500mA Power Op Amp with Adjustable Precision Current Limit |
| 页数 / 页 | 26 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion … |
| 文件格式/大小 | PDF / 402 Kb |
| 文件语言 | 英语 |
absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LT1970
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
Supply Voltage (V TOP VIEW CC to VEE) ... 36V Positive High Current Supply (V+) ... V– to VCC VEE 1 20 VEE Negative High Current Supply(V–) ..V V– 2 19 V+ EE to V+ 21 Amplifier Output (OUT) ... V– to V+ OUT 3 18 TSD Current Sense Pins SENSE+ 4 17 ISNK (SENSE+, SENSE–, FILTER) ... V– to V+ FILTER 5 16 ISRC – + Logic Outputs (ISRC, ISNK, TSD) ... COMMON to V SENSE– 6 15 ENABLE CC VCC 7 14 COMMON Input Voltage (–IN, +IN) .. VEE – 0.3V to VEE + 36V –IN 8 13 VC Input Current ... 10mA SRC +IN 9 12 VCSNK Current Control Inputs VEE 10 11 VEE (VCSRC, VCSNK) ..COMMON to COMMON + 7V Enable Logic Input .. COMMON to V FE PACKAGE CC 20-LEAD PLASTIC TSSOP COMMON ... VEE to VCC TJMAX = 150°C, θJA = 40°C/W (NOTE 8) EXPOSED PAD (PIN 21) IS CONNECTED TO V Output Short-Circuit Duration ... Indefinite EE 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
orDer inForMaTion 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. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
elecTrical characTerisTics 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. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Op Amp Characteristics
VOS Input Offset Voltage 200 600 µV 0°C < TA < 70°C l 1000 µV –40°C < TA < 85°C l 1300 µV Input Offset Voltage Drift (Note 4) l –10 –4 10 µV/°C IOS Input Offset Current VCM = 0V l –100 100 nA IB Input Bias Current VCM = 0V l –600 –160 nA Input Noise Voltage 0.1Hz to 10Hz 3 µVP-P en Input Noise Voltage Density 1kHz 15 nV/√Hz in Input Noise Current Density 1kHz 3 pA/√Hz 1970fe 2 For more information www.linear.com/LT1970 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Related Parts
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
Supply Voltage (V TOP VIEW CC to VEE) ... 36V Positive High Current Supply (V+) ... V– to VCC VEE 1 20 VEE Negative High Current Supply(V–) ..V V– 2 19 V+ EE to V+ 21 Amplifier Output (OUT) ... V– to V+ OUT 3 18 TSD Current Sense Pins SENSE+ 4 17 ISNK (SENSE+, SENSE–, FILTER) ... V– to V+ FILTER 5 16 ISRC – + Logic Outputs (ISRC, ISNK, TSD) ... COMMON to V SENSE– 6 15 ENABLE CC VCC 7 14 COMMON Input Voltage (–IN, +IN) .. VEE – 0.3V to VEE + 36V –IN 8 13 VC Input Current ... 10mA SRC +IN 9 12 VCSNK Current Control Inputs VEE 10 11 VEE (VCSRC, VCSNK) ..COMMON to COMMON + 7V Enable Logic Input .. COMMON to V FE PACKAGE CC 20-LEAD PLASTIC TSSOP COMMON ... VEE to VCC TJMAX = 150°C, θJA = 40°C/W (NOTE 8) EXPOSED PAD (PIN 21) IS CONNECTED TO V Output Short-Circuit Duration ... Indefinite EE 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
orDer inForMaTion 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. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
elecTrical characTerisTics 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. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Op Amp Characteristics
VOS Input Offset Voltage 200 600 µV 0°C < TA < 70°C l 1000 µV –40°C < TA < 85°C l 1300 µV Input Offset Voltage Drift (Note 4) l –10 –4 10 µV/°C IOS Input Offset Current VCM = 0V l –100 100 nA IB Input Bias Current VCM = 0V l –600 –160 nA Input Noise Voltage 0.1Hz to 10Hz 3 µVP-P en Input Noise Voltage Density 1kHz 15 nV/√Hz in Input Noise Current Density 1kHz 3 pA/√Hz 1970fe 2 For more information www.linear.com/LT1970 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Related Parts