LTC1408 WWWUUWUABSOLUTEAXI UAR TI GSPACKAGE/ORDER I FOR ATIO(Notes 1, 2) TOP VIEW Supply Voltage (V – + – + ORDER PART DD, VCC, OVDD) .. 4V Analog Input Voltage GND CH3 CH3 GND GND CH2 CH2 GND NUMBER 16 15 14 13 12 11 10 9 (Note 3) ... – 0.3V to (V CH4+ 17 8 CH1– DD + 0.3V) CH4– 18 7 CH1+ Digital Input Voltage .. – 0.3V to (V LTC1408CUH DD + 0.3V) GND 19 6 GND Digital Output Voltage .. – 0.3V to (V LTC1408IUH DD + 0.3V) CH5+ 20 5 CH0– 33 Power Dissipation .. 100mW CH5– 21 4 CH0+ GND 22 3 OVDD Operation Temperature Range V 23 2 REF OGND QFN PART MARKING LTC1408C ... 0°C to 70°C V 24 1 CC SDO 25 26 27 28 29 30 31 32 LTC1408I .. – 40°C to 85°C DDV BIP SCK Storage Temperature Range ... – 65°C to 125°C SEL2 SEL1 SEL0 CONV DGND 1408 QFN PACKAGE 32-PIN (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/ W EXPOSED PIN IS GND (PAD 33) MUST BE SOLDERED TO PCB Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. UCO VERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25 ° C. With internal reference, VDD = 3V, VDD = VCC = 3V.PARAMETERCONDITIONSMINTYPMAXUNITS Resolution (No Missing Codes) ● 14 Bits Integral Linearity Error (Note 5) ● –3 ±0.5 3 LSB Offset Error (Note 4) ● –4.5 ±1 4.5 mV Offset Match from CH0 to CH5 –3 ±0.5 3 mV Range Error (Note 4) ● –12 ±2 12 mV Range Match from CH0 to CH5 –5 ±1 5 mV Range Tempco Internal Reference (Note 4) ±15 ppm/°C External Reference ±1 ppm/°C UUA ALOG I PUT The ● denotes the specifications which apply over the full operating temperature range,otherwise specifications are at TA = 25 ° C. With internal reference, VDD = 3V, VDD = VCC = 3V.SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VIN Analog Differential Input Range (Notes 3, 8, 9) 2.7V ≤ VDD ≤ 3.3V 0 to 2.5 V VCM Analog Common Mode + Differential 0 to VDD V Input Range (Note 8) IIN Analog Input Leakage Current ● 1 µA CIN Analog Input Capacitance 13 pF tACQ Sample-and-Hold Acquisition Time (Note 6) ● 39 ns tAP Sample-and-Hold Aperture Delay Time 1 ns tJITTER Sample-and-Hold Aperture Delay Time Jitter 0.3 ps tSK Channel to Channel Aperture Skew 200 ps CMRR Analog Input Common Mode Rejection Ratio fIN = 100kHz, VIN = 0V to 3V –83 dB fIN = 10MHz, VIN = 0V to 3V –67 dB 1408fa 2