Datasheet LTC2482 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 16-Bit ΔΣ ADC with Easy Drive Input Current Cancellation |
| 页数 / 页 | 32 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER … |
| 文件格式/大小 | PDF / 325 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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文件文字版本
LTC2482
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltage (V TOP VIEW CC) to GND .. –0.3V to 6V Analog Input Voltage to GND ... –0.3V to (VCC + 0.3V) *GND 1 10 fO Reference Input Voltage to GND .. –0.3V to (VCC + 0.3V) VCC 2 9 SCK Digital Input Voltage to GND .. –0.3V to (V V 3 11 8 GND CC + 0.3V) REF IN+ 4 7 SDO Digital Output Voltage to GND .. –0.3V to (VCC + 0.3V) IN– 5 6 CS Operating Temperature Range LTC2482C ... 0°C to 70°C DD PACKAGE 10-LEAD (3mm s 3mm) PLASTIC DFN LTC2482I .. –40°C to 85°C TJMAX = 125°C, θJA = 160°C/W Storage Temperature Range .. –65°C to 125°C EXPOSED PAD (PIN #) IS GND, MUST BE SOLDERED TO PCB *PIN 1 MAY BE DRIVEN WITH A DIGITAL SIGNAL IN ORDER TO REMAIN PIN COMPATIBLE WITH THE LTC2480/LTC2482
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2482CDD#PBF LTC2482CDD#TRPBF LBSQ 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C LTC2482IDD#PBF LTC2482IDD#TRPBF LBSQ 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS (NORMAL SPEED) The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1 ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5) l 16 Bits Integral Nonlinearity 5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6) l 2 20 ppm of VREF 2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6) 1 ppm of VREF Offset Error 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 14) l 0.5 5 μV Offset Error Drift 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC 10 nV/°C Positive Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF l 32 ppm of VREF Positive Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF 0.1 ppm of VREF/°C Negative Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF l 32 ppm of VREF Negative Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF 0.1 ppm of VREF/°C Total Unadjusted Error 5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V 15 ppm of VREF 5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V ppm of VREF 2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V ppm of VREF Output Noise 5V ≤ VCC ≤ 5.5V, VREF = 5V, GND ≤ IN– = IN+ ≤ VCC (Note 13) 0.6 μVRMS 2482fc 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltage (V TOP VIEW CC) to GND .. –0.3V to 6V Analog Input Voltage to GND ... –0.3V to (VCC + 0.3V) *GND 1 10 fO Reference Input Voltage to GND .. –0.3V to (VCC + 0.3V) VCC 2 9 SCK Digital Input Voltage to GND .. –0.3V to (V V 3 11 8 GND CC + 0.3V) REF IN+ 4 7 SDO Digital Output Voltage to GND .. –0.3V to (VCC + 0.3V) IN– 5 6 CS Operating Temperature Range LTC2482C ... 0°C to 70°C DD PACKAGE 10-LEAD (3mm s 3mm) PLASTIC DFN LTC2482I .. –40°C to 85°C TJMAX = 125°C, θJA = 160°C/W Storage Temperature Range .. –65°C to 125°C EXPOSED PAD (PIN #) IS GND, MUST BE SOLDERED TO PCB *PIN 1 MAY BE DRIVEN WITH A DIGITAL SIGNAL IN ORDER TO REMAIN PIN COMPATIBLE WITH THE LTC2480/LTC2482
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2482CDD#PBF LTC2482CDD#TRPBF LBSQ 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C LTC2482IDD#PBF LTC2482IDD#TRPBF LBSQ 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS (NORMAL SPEED) The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1 ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5) l 16 Bits Integral Nonlinearity 5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6) l 2 20 ppm of VREF 2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6) 1 ppm of VREF Offset Error 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 14) l 0.5 5 μV Offset Error Drift 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC 10 nV/°C Positive Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF l 32 ppm of VREF Positive Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF 0.1 ppm of VREF/°C Negative Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF l 32 ppm of VREF Negative Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF , IN– = 0.25VREF 0.1 ppm of VREF/°C Total Unadjusted Error 5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V 15 ppm of VREF 5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V ppm of VREF 2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V ppm of VREF Output Noise 5V ≤ VCC ≤ 5.5V, VREF = 5V, GND ≤ IN– = IN+ ≤ VCC (Note 13) 0.6 μVRMS 2482fc 2