Datasheet LTC2446, LTC2447 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 24-Bit High Speed 8-Channel ∆Σ ADCs with Selectable Multiple Reference Inputs |
| 页数 / 页 | 30 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. ORDER INFORMATION … |
| 文件格式/大小 | PDF / 619 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. ORDER INFORMATION http://www.linear.com/product/LTC2446#orderinfo
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文件文字版本
LTC2446/LTC2447
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC) to GND ... –0.3V to 6V Digital Output Voltage to GND ...–0.3V to (VCC + 0.3V) Analog Input Pins Voltage Operating Temperature Range to GND ..–0.3V to (VCC + 0.3V) LTC2446C/LTC2447C .. 0°C to 70°C Reference Input Pins Voltage LTC2446I/LTC2447I ..–40°C to 85°C to GND ..–0.3V to (VCC + 0.3V) Storage Temperature Range .. –65°C to 125°C Digital Input Voltage to GND ...–0.3V to (VCC + 0.3V)
PIN CONFIGURATION
LTC2446 LTC2447 TOP VIEW TOP VIEW SCK SDO CS F O SDI GND GND SCK SDO CS F O SDI GND GND 38 37 36 35 34 33 32 38 37 36 35 34 33 32 GND 1 31 GND GND 1 31 GND BUSY 2 30 REFG– BUSY 2 30 REFG– EXT 3 29 REFG+ EXT 3 29 REFG+ GND 4 28 VCC GND 4 28 VCC GND 5 27 NC GND 5 27 MUXOUTN GND 6 26 NC GND 6 26 ADCINN 39 39 COM 7 25 NC COM 7 25 ADCINP CH0 8 24 NC CH0 8 24 MUXOUTP CH1 9 23 V + + REF67 CH1 9 23 VREF67 V – – – – REF01 10 22 VREF67 VREF01 10 22 VREF67 V + + REF01 11 21 CH7 VREF01 11 21 CH7 CH2 12 20 CH6 CH2 12 20 CH6 13 14 15 16 17 18 19 13 14 15 16 17 18 19 – + – + _ + – + CH3 CH4 CH5 CH3 CH4 CH5 V REF23 V REF23 V REF45 VREF45 V REF23 VREF23 V REF45 V REF45 UHF PACKAGE UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC2446#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2446CUHF#PBF LTC2446CUHF#TRPBF 2446 38-LEAD (5mm × 7mm) PLASTIC QFN 0°C to 70°C LTC2446IUHF#PBF LTC2446IUHF#TRPBF 2446 38-LEAD (5mm × 7mm) PLASTIC QFN –40°C to 85°C LTC2447CUHF#PBF LTC2447CUHF#TRPBF 2447 38-LEAD (5mm × 7mm) PLASTIC QFN 0°C to 70°C LTC2447IUHF#PBF LTC2447IUHF#TRPBF 2447 38-LEAD (5mm × 7mm) PLASTIC QFN –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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 24467fb 2 For more information www.linear.com/LTC2446 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit Timing Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC) to GND ... –0.3V to 6V Digital Output Voltage to GND ...–0.3V to (VCC + 0.3V) Analog Input Pins Voltage Operating Temperature Range to GND ..–0.3V to (VCC + 0.3V) LTC2446C/LTC2447C .. 0°C to 70°C Reference Input Pins Voltage LTC2446I/LTC2447I ..–40°C to 85°C to GND ..–0.3V to (VCC + 0.3V) Storage Temperature Range .. –65°C to 125°C Digital Input Voltage to GND ...–0.3V to (VCC + 0.3V)
PIN CONFIGURATION
LTC2446 LTC2447 TOP VIEW TOP VIEW SCK SDO CS F O SDI GND GND SCK SDO CS F O SDI GND GND 38 37 36 35 34 33 32 38 37 36 35 34 33 32 GND 1 31 GND GND 1 31 GND BUSY 2 30 REFG– BUSY 2 30 REFG– EXT 3 29 REFG+ EXT 3 29 REFG+ GND 4 28 VCC GND 4 28 VCC GND 5 27 NC GND 5 27 MUXOUTN GND 6 26 NC GND 6 26 ADCINN 39 39 COM 7 25 NC COM 7 25 ADCINP CH0 8 24 NC CH0 8 24 MUXOUTP CH1 9 23 V + + REF67 CH1 9 23 VREF67 V – – – – REF01 10 22 VREF67 VREF01 10 22 VREF67 V + + REF01 11 21 CH7 VREF01 11 21 CH7 CH2 12 20 CH6 CH2 12 20 CH6 13 14 15 16 17 18 19 13 14 15 16 17 18 19 – + – + _ + – + CH3 CH4 CH5 CH3 CH4 CH5 V REF23 V REF23 V REF45 VREF45 V REF23 VREF23 V REF45 V REF45 UHF PACKAGE UHF PACKAGE 38-LEAD (5mm × 7mm) PLASTIC QFN 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC2446#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2446CUHF#PBF LTC2446CUHF#TRPBF 2446 38-LEAD (5mm × 7mm) PLASTIC QFN 0°C to 70°C LTC2446IUHF#PBF LTC2446IUHF#TRPBF 2446 38-LEAD (5mm × 7mm) PLASTIC QFN –40°C to 85°C LTC2447CUHF#PBF LTC2447CUHF#TRPBF 2447 38-LEAD (5mm × 7mm) PLASTIC QFN 0°C to 70°C LTC2447IUHF#PBF LTC2447IUHF#TRPBF 2447 38-LEAD (5mm × 7mm) PLASTIC QFN –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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 24467fb 2 For more information www.linear.com/LTC2446 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit Timing Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts