Datasheet LTC2122 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual14-Bit 170Msps ADC with JESD204B Serial Outputs |
| 页数 / 页 | 50 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER … |
| 文件格式/大小 | PDF / 1.5 Mb |
| 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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LTC2122
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltages TOP VIEW VDD, OVDD .. 0.3V to 2V + – Analog Input Voltage V DD GND CS SCK SDI SDO OF OF GND GND V DD V DD 48 47 46 45 44 43 42 41 40 39 38 37 A + – INA/B , AINA/B ... –0.3V to (VDD + 0.2V) SENSE (Note 3) .. –0.3V to (V VDD 1 36 OV DD + 0.2V) DD GND 2 35 OVDD Digital Input Voltage A + INA 3 34 DNC – DEVCLK+, DEVCLK–, SYSREF+, SYSREF–, AINA 4 33 DNC SENSE 5 32 CMLOUT_A0+ SYNC~+, SYNC~– (Note 3) ... –0.3V to (VDD + 0.3V) VREF 6 49 31 CMLOUT_A0– CS, SDI, SCK (Note 4) .. –0.3V to 3.9V VCM 7 GND 30 CMLOUT_B0+ GND 8 29 CMLOUT_B0– SDO (Note 4) .. –0.3V to 3.9V A – INB 9 28 DNC + Digital Output Voltage .. –0.3V to (V AINB 10 27 DNC DD + 0.3V) GND 11 26 OVDD Operating Ambient Temperature Range VDD 12 25 OVDD LTC2122C .. 0°C to 70°C 13 14 15 16 17 18 19 20 21 22 23 24 LTC2122I ..–40°C to 85°C – + + – + – V DD GND GND GND V DD V DD Storage Temperature Range .. –65°C to 150°C DEVCLK DEVCLK SYSREF SYSREF SYNC~ SYNC~ UK PACKAGE 48-LEAD (7mm × 7mm) PLASTIC QFN TJMAX = 150°C, θJA = 28°C/W EXPOSED PAD (PIN 49) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2122CUK#PBF LTC2122CUK#TRPBF LTC2122UK 48-Lead (7mm × 7mm) Plastic QFN 0°C to 70°C LTC2122IUK#PBF LTC2122IUK#TRPBF LTC2122UK 48-Lead (7mm × 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. Consult LTC Marketing for information on nonstandard lead based finish parts. 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/ 2122fb 2 For more information www.linear.com/LTC2122 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs And Outputs Digital Inputs And Outputs Timing characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions ADC PERFORMANCE TERMS SERIAL INTERFACE TERMS Applications Information CONVERTER OPERATION INPUT DRIVE CIRCUITS GROUNDING AND BYPASSING HEAT TRANSFER Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltages TOP VIEW VDD, OVDD .. 0.3V to 2V + – Analog Input Voltage V DD GND CS SCK SDI SDO OF OF GND GND V DD V DD 48 47 46 45 44 43 42 41 40 39 38 37 A + – INA/B , AINA/B ... –0.3V to (VDD + 0.2V) SENSE (Note 3) .. –0.3V to (V VDD 1 36 OV DD + 0.2V) DD GND 2 35 OVDD Digital Input Voltage A + INA 3 34 DNC – DEVCLK+, DEVCLK–, SYSREF+, SYSREF–, AINA 4 33 DNC SENSE 5 32 CMLOUT_A0+ SYNC~+, SYNC~– (Note 3) ... –0.3V to (VDD + 0.3V) VREF 6 49 31 CMLOUT_A0– CS, SDI, SCK (Note 4) .. –0.3V to 3.9V VCM 7 GND 30 CMLOUT_B0+ GND 8 29 CMLOUT_B0– SDO (Note 4) .. –0.3V to 3.9V A – INB 9 28 DNC + Digital Output Voltage .. –0.3V to (V AINB 10 27 DNC DD + 0.3V) GND 11 26 OVDD Operating Ambient Temperature Range VDD 12 25 OVDD LTC2122C .. 0°C to 70°C 13 14 15 16 17 18 19 20 21 22 23 24 LTC2122I ..–40°C to 85°C – + + – + – V DD GND GND GND V DD V DD Storage Temperature Range .. –65°C to 150°C DEVCLK DEVCLK SYSREF SYSREF SYNC~ SYNC~ UK PACKAGE 48-LEAD (7mm × 7mm) PLASTIC QFN TJMAX = 150°C, θJA = 28°C/W EXPOSED PAD (PIN 49) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2122CUK#PBF LTC2122CUK#TRPBF LTC2122UK 48-Lead (7mm × 7mm) Plastic QFN 0°C to 70°C LTC2122IUK#PBF LTC2122IUK#TRPBF LTC2122UK 48-Lead (7mm × 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. Consult LTC Marketing for information on nonstandard lead based finish parts. 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/ 2122fb 2 For more information www.linear.com/LTC2122 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs And Outputs Digital Inputs And Outputs Timing characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions ADC PERFORMANCE TERMS SERIAL INTERFACE TERMS Applications Information CONVERTER OPERATION INPUT DRIVE CIRCUITS GROUNDING AND BYPASSING HEAT TRANSFER Typical Applications Package Description Revision History Typical Application Related Parts