PDF《14-Bit, 125/105/80Msps》

39 40

38 37

36 35

34 33

32 31

11 20

12 13

14 15 DOUBLE DATA RATE LVDS OUTPUT MODE TOP VIEW

41 GND UJ PACKAGE 40-LEAD (6mm * 6mm) PLASTIC QFN

16 17

18 19

22 23

24 25

26 27

28 29

9 8

7 6

5 4

3 2 AIN + AIN C GND REFH REFH REFL REFL PAR/SER VDD VDD D8_9+ D8_9C CLKOUT+ CLKOUTC OVDD OGND D6_7+ D6_7C D4_5+ D4_5C V DD SENSE V REF V CM OF + OF C D12_13 + D12_13 C D10_11 + D10_11 C ENC + ENC C CS SCK SDI SDO D0_1 C D0_1 + D2_3 C D2_3 +

21 30

10 1 TJMAX = 150°C, θJA = 32°C/W EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB Pin Configurations Digital Output Voltage.0.3V to (OVDD + 0.3V) Operating Temperature Range: LTC2261C, LTC2260C, LTC2259C.0°C to 70°C LTC2261I, LTC2260I, LTC2259I.40°C to 85°C Storage Temperature Range.65°C to 150°C

3 For more information www.linear.com/LTC2261-14 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 LTC2261-14 LTC2260-14 LTC2259-14 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Resolution (No Missing Codes) l

14 14

14 Bits Integral Linearity Error Differential Analog Input (Note 6) l C3.75 ±1 3.75 C3.75 ±1 3.75 C3.5 ±1 3.5 LSB Differential Linearity Error Differential Analog Input l C0.9 ±0.3 0.9 C0.9 ±0.3 0.9 C0.9 ±0.3 0.9 LSB Offset Error (Note 7) l C9 ±1.5

9 C9 ±1.5

9 C9 ±1.5

9 mV Gain Error Internal Reference External Reference l C1.5 ±1.5 ±0.4 1.5 C1.5 ±1.5 ±0.4 1.5 C1.5 ±1.5 ±0.4 1.5 %FS %FS Offset Drift ±20 ±20 ±20 ?V/°C Full-Scale Drift Internal Reference External Reference ±30 ±10 ±30 ±10 ±30 ±10 ppm/°C ppm/°C Transition Noise External Reference 1.2 1.2 1.2 LSBRMS Order Information LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2261CUJ-14#PBF LTC2261CUJ-14#TRPBF LTC2261UJ-14 40-Lead (6mm * 6mm) Plastic QFN 0°C to 70°C LTC2261IUJ-14#PBF LTC2261IUJ-14#TRPBF LTC2261UJ-14 40-Lead (6mm * 6mm) Plastic QFN C40°C to 85°C LTC2260CUJ-14#PBF LTC2260CUJ-14#TRPBF LTC2260UJ-14 40-Lead (6mm * 6mm) Plastic QFN 0°C to 70°C LTC2260IUJ-14#PBF LTC2260IUJ-14#TRPBF LTC2260UJ-14 40-Lead (6mm * 6mm) Plastic QFN C40°C to 85°C LTC2259CUJ-14#PBF LTC2259CUJ-14#TRPBF LTC2259UJ-14 40-Lead (6mm * 6mm) Plastic QFN 0°C to 70°C LTC2259IUJ-14#PBF LTC2259IUJ-14#TRPBF LTC2259UJ-14 40-Lead (6mm * 6mm) Plastic QFN C40°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 non-standard 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/

4 For more information www.linear.com/LTC2261-14 Analog Input The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (AIN + C AIN C) 1.7V <

VDD <

1.9V l

1 to

2 VP-P VIN(CM) Analog Input Common Mode (AIN + + AIN C)/2 Differential Analog Input (Note 8) l VCM C 100mV VCM VCM + 100mV V VSENSE External Voltage Reference Applied to SENSE External Reference Mode l 0.625 1.250 1.300 V IINCM Analog Input Common Mode Current Per Pin, 125Msps Per Pin, 105Msps Per Pin, 80Msps

155 130

100 ?A ?A ?A IIN1 Analog Input Leakage Current

0 <