Datasheet LTC2123 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Dual 14-Bit 250Msps ADC with JESD204B Serial Outputs |
| Seiten / Seite | 50 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC2123
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 CMLOUT_A1+ – DEVCLK+, DEVCLK–, SYSREF+, SYSREF–, AINA 4 33 CMLOUT_A1– 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 CMLOUT_B1+ + Digital Output Voltage .. –0.3V to (V AINB 10 27 CMLOUT_B1– DD + 0.3V) GND 11 26 OVDD Operating Ambient Temperature Range VDD 12 25 OVDD LTC2123C .. 0°C to 70°C 13 14 15 16 17 18 19 20 21 22 23 24 LTC2123I ...–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
LTC2123CUK#PBF LTC2123CUK#TRPBF LTC2123UK 48-Lead (7mm × 7mm) Plastic QFN 0°C to 70°C LTC2123IUK#PBF LTC2123IUK#TRPBF LTC2123UK 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/
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 14 Bits Integral Linearity Error Differential Analog Input (Note 6) l –5.5 ±0.85 5.5 LSB Differential Linearity Error Differential Analog Input l –0.9 ±0.25 0.9 LSB Offset Error (Note 7) l –13 ±5 13 mV Gain Error Internal Reference ±1.5 %FS External Reference l –4.0 ±1 2.2 %FS Offset Drift ±20 µV/ºC Full-Scale Drift Internal Reference ±30 ppm/ºC External Reference ±10 ppm/ºC Transition Noise 1.82 LSBRMS 2123fc 2 For more information www.linear.com/LTC2123 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Converter Characteristics Pin Configuration Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs and Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions Applications Information Typical Applications Package Description 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 CMLOUT_A1+ – DEVCLK+, DEVCLK–, SYSREF+, SYSREF–, AINA 4 33 CMLOUT_A1– 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 CMLOUT_B1+ + Digital Output Voltage .. –0.3V to (V AINB 10 27 CMLOUT_B1– DD + 0.3V) GND 11 26 OVDD Operating Ambient Temperature Range VDD 12 25 OVDD LTC2123C .. 0°C to 70°C 13 14 15 16 17 18 19 20 21 22 23 24 LTC2123I ...–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
LTC2123CUK#PBF LTC2123CUK#TRPBF LTC2123UK 48-Lead (7mm × 7mm) Plastic QFN 0°C to 70°C LTC2123IUK#PBF LTC2123IUK#TRPBF LTC2123UK 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/
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 14 Bits Integral Linearity Error Differential Analog Input (Note 6) l –5.5 ±0.85 5.5 LSB Differential Linearity Error Differential Analog Input l –0.9 ±0.25 0.9 LSB Offset Error (Note 7) l –13 ±5 13 mV Gain Error Internal Reference ±1.5 %FS External Reference l –4.0 ±1 2.2 %FS Offset Drift ±20 µV/ºC Full-Scale Drift Internal Reference ±30 ppm/ºC External Reference ±10 ppm/ºC Transition Noise 1.82 LSBRMS 2123fc 2 For more information www.linear.com/LTC2123 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Converter Characteristics Pin Configuration Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs and Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions Applications Information Typical Applications Package Description Typical Application Related Parts