LTC1283 WWWUUWUABSOLUTEAXI UAR TI GSPACKAGE/ORDER I FOR ATIO(Notes 1 and 2) TOP VIEW ORDER PART Supply Voltage (VCC) to GND or V – ... 12V CH0 1 20 VCC NUMBER Voltage CH1 2 19 ACLK Analog and Reference CH2 3 18 SCLK LTC1283ACN Inputs ... (V –) –0.3V to VCC + 0.3V CH3 4 17 DIN LTC1283CN Digital Inputs ... –0.3V to 12V CH4 5 16 DOUT Digital Outputs ... –0.3V to VCC + 0.3V CH5 6 15 CS Negative Supply Voltage (V–) ... –6V to GND CH6 7 14 REF+ Power Dissipation .. 500mW CH7 8 13 REF– Operating Temperature COM 9 12 V – DGND 10 AGND LTC1283AC, LTC1283C ... 0°C to 70°C 11 Storage Temperature Range ... – 65°C to 150°C N PACKAGE 20-LEAD PLASTIC DIP Lead Temperature (Soldering, 10 sec)... 300°C TJ MAX = 150°C, θJA = 100°C/W 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/ WWUUUURECO E DED OPERATI G CO DITIO SLTC1283/LTC1283ASYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VCC Positive Supply Voltage V – = 0V 3.0 3.6 V V – Negative Supply Voltage VCC = 3.3V – 3.6 0 V fSCLK Shift Clock Frequency VCC = 3V 0 500 kHz fACLK A/D Clock Frequency VCC = 3V TA ≤ 25°C 0.01 1.00 MHz TA ≤ 70°C 0.05 1.00 MHz tCYC Total Cycle Time See Operating Sequence 10 SCLK + Cycles 48 ACLK thCS Hold Time, CS Low After Last SCLK↓ VCC = 3V 0 ns thDI Hold Time, DIN After SCLK↑ VCC = 3V 200 ns tsuCS Setup Time CS↓ Before Clocking in First Address Bit (Note 8) VCC = 3V 2 ACLK Cycles + 1μs tsuDI Setup Time, DIN Stable Before SCLK↑ VCC = 3V 400 ns tWHACLK ACLK High Time VCC = 3V 250 ns tWLACLK ACLK Low Time VCC = 3V 400 ns tWHCS CS High Time During Conversion VCC = 3V 44 ACLK Cycles 1283fb 2