Datasheet LTC2225 (Analog Devices) - 2

LTC2225
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ... 4V TOP VIEW Digital Output Ground Voltage (OGND) ... –0.3V to 1V Analog Input Voltage (Note 3) ... –0.3V to (V DD CM DD + 0.3V) V V SENSE MODE OF D11 D10 D9 Digital Input Voltage .. –0.3V to (V 32 31 30 29 28 27 26 25 DD + 0.3V) A + 1 24 D8 Digital Output Voltage .. –0.3V to (OV IN DD + 0.3V) A – 2 23 IN D7 Power Dissipation .. 1500mW REFH 3 22 D6 Operating Temperature Range REFH 4 21 OVDD 33 LTC2225C ... 0°C to 70°C REFL 5 20 OGND LTC2225I ...–40°C to 85°C REFL 6 19 D5 Storage Temperature Range ..–65°C to 125°C V 7 18 DD D4 GND 8 17 D3 9 10 11 12 13 14 15 16 OE CLK NC NC D0 D1 D2 SHDN UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD IS GND (PIN 33) MUST BE SOLDERED TO PCB ORDER PART NUMBER QFN PART MARKING LTC2225CUH 2225* LTC2225IUH
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. *The temperature grade is identified by a label on the shipping container.
U CO VERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution ● 12 Bits (No Missing Codes) Integral Differential Analog Input ● –1.1 ±0.3 1.1 LSB Linearity Error (Note 5) Differential Differential Analog Input ● –0.7 ±0.15 0.7 LSB Linearity Error Offset Error (Note 6) ● –12 ±2 12 mV Gain Error External Reference ● –2.5 ±0.5 2.5 %FS Offset Drift ±10 µV/°C Full-Scale Drift Internal Reference ±30 ppm/°C External Reference ±5 ppm/°C Transition Noise SENSE = 1V 0.25 LSBRMS 2225fa 2