LTC2225 12-Bit, 10Msps Low Power 3V ADC FEATURES DESCRIPTIO Sample Rate: 10Msps The LTC 2225 is a 12-bit 10Msps, low power 3V A/D Single 3V Supply (2.7V to 3.4V) converter designed for digitizing high frequency, wide Low Power: 60mW dynamic range signals. The LTC2225 is perfect for de- 71.3dB SNR manding imaging and communications applications with 90dB SFDR AC performance that includes 71.3dB SNR and 90dB No missing codes SFDR for signals well beyond the Nyquist frequency. Flexible Input: 1V to 2V Range P-P P-P DC specs include 0.3LSB INL (typ), 0.15LSB DNL (typ) 575MHz Full Power Bandwidth S/H and no missing codes over temperature. The transition Clock Duty Cycle Stabilizer noise is a low 0.25LSB . RMS Shutdown and Nap Modes A single 3V supply allows low power operation. A separate Pin Compatible Family output supply allows the outputs to drive 0.5V to 3.6V 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) logic. 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) A single-ended CLK input controls converter operation. An 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) optional clock duty cycle stabilizer allows high perfor- 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) mance at full speed for a wide range of clock duty cycles. 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) , LTC and LT are registered trademarks of Linear Technology Corporation. 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit) All other trademarks are the property of their respective owners. 32-Pin (5mm 5mm) QFN Package U APPLICATIO S Wireless and Wired Broadband Communication Imaging Systems Spectral Analysis Portable Instrumentation TYPICAL APPLICATIO Typical INL, 2V Range 1.0 REFH FLEXIBLE REFERENCE 0.8 REFL OV 0.6 DD 0.4 D11 + 12-BIT 0.2 CORRECTION ANALOG OUTPUT INPUT PIPELINED LOGIC INPUT DRIVERS S/H 0 ADC CORE D0 0.2 OGND 0.4 0.6 CLOCK/DUTY CYCLE 0.8 CONTROL 1.0 0 1024 2048 3072 4096 2225 TA01 CODE CLK 2225 G01 2225fa 1 INL ERROR (LSB) U ULTC2225 UUW ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO OV = V (Notes 1, 2) DD DD Supply Voltage (V ) ................................................. 4V DD TOP VIEW Digital Output Ground Voltage (OGND) ....... 0.3V to 1V Analog Input Voltage (Note 3) ..... 0.3V to (V + 0.3V) DD 32 31 30 29 28 27 26 25 Digital Input Voltage .................... 0.3V to (V + 0.3V) DD + A 1 24 D8 IN Digital Output Voltage ................ 0.3V to (OV + 0.3V) DD A 2 23 D7 IN Power Dissipation............................................ 1500mW REFH 3 22 D6 Operating Temperature Range REFH OV 4 21 DD 33 REFL OGND 5 20 LTC2225C ............................................... 0C to 70C REFL 6 19 D5 LTC2225I.............................................40C to 85C V 7 18 D4 DD Storage Temperature Range ..................65C to 125C GND 8 17 D3 9 10 11 12 13 14 15 16 UH PACKAGE 32-LEAD (5mm 5mm) PLASTIC QFN T = 125C, = 34C/W JMAX JA 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: