LTC1609 WWWUABSOLUTE MAXIMUM RATINGS (Notes 1, 2) VANA .. 7V Digital Input Voltage (Note 4) .. DGND – 0.3V to 10V VDIG to VANA ... 0.3V Digital Output Voltage .. DGND – 0.3V to VDIG + 0.3V VDIG ... 7V Power Dissipation .. 500mW Ground Voltage Difference Operating Ambient Temperature Range DGND, AGND1 and AGND2 .. ±0.3V LTC1609AC/LTC1609C .. 0°C to 70°C Analog Inputs (Note 3) LTC1609AI/LTC1609I ... – 40°C to 85°C R1IN, R2IN, R3IN .. ±25V Storage Temperature Range ... – 65°C to 150°C CAP .. VANA + 0.3V to AGND2 – 0.3V Lead Temperature (Soldering, 10 sec).. 300°C REF .. Indefinite Short to AGND2 Momentary Short to VANA UWUPACKAGE/ORDER INFORMATION ORDER PART ORDER PART TOP VIEW NUMBER NUMBER R1 1 28 IN VDIG TOP VIEW AGND1 2 27 VANA LTC1609CG LTC1609CSW R1 1 20 V R2 3 26 IN DIG IN PWRD LTC1609IG LTC1609ISW AGND1 2 19 V R3 4 25 ANA IN BUSY LTC1609ACSW R2 3 18 PWRD NC 5 24 CS IN LTC1609AISW R3 4 17 BUSY CAP 6 23 NC IN CAP 5 16 CS REF 7 22 NC REF 6 15 R/C NC 8 21 R/C AGND2 7 14 TAG AGND2 9 20 NC SB/BTC 8 13 DATA NC 10 19 TAG EXT/INT 9 12 DATACLK NC 11 18 NC DGND 10 11 SYNC SB/BTC 12 17 DATA EXT/INT 13 16 DATACLK SW PACKAGE 20-LEAD PLASTIC SO DGND 14 15 SYNC TJMAX = 125°C, θJA = 130°C/W G PACKAGE 28-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 95°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. UCONVERTER CHARACTERISTICS The ● indicates specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25 ° C. With external reference (Notes 5, 6).LTC1609LTC1609APARAMETERCONDITIONSMINTYPMAXMINTYPMAXUNITS Resolution ● 16 16 Bits No Missing Codes ● 15 16 Bits Transition Noise 0.9 0.9 LSBRMS Integral Linearity Error (Note 7) ● ±3 ±2 LSB Differential Linearity Error ● – 2 3 –1 1.75 LSB Bipolar Zero Error External Reference = 2.5V (Note 8), Bipolar Ranges ● ±10 ±10 mV 1609fa 2