AD9649Data SheetSPECIFICATIONS DC SPECIFICATIONS AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, 50% duty cycle clock, unless otherwise noted. Table 1.AD9649-20/AD9649-40AD9649-65AD9649-80ParameterTemp MinTypMaxMinTypMaxMinTypMaxUnit RESOLUTION Full 14 14 14 Bits ACCURACY No Missing Codes Full Guaranteed Guaranteed Guaranteed Offset Error Full −0.40 +0.05 +0.50 −0.40 +0.05 +0.50 −0.40 +0.05 +0.50 % FSR Gain Error1 Full −1.5 −1.5 −1.5 % FSR Differential Nonlinearity (DNL)2 Full ±0.50 +0.55 ±0.65 LSB 25°C ±0.25 ±0.3 ±0.35 LSB Integral Nonlinearity (INL)2 Full ±1.30 ±1.30 ±1.75 LSB 25°C ±0.50 ±0.50 ±0.60 LSB TEMPERATURE DRIFT Offset Error Full ±2 ±2 ±2 ppm/°C INTERNAL VOLTAGE REFERENCE Output Voltage (1 V Mode) Full 0.984 0.996 1.008 0.984 0.996 1.008 0.984 0.996 1.008 V Load Regulation Error at 1.0 mA Full 2 2 2 mV INPUT-REFERRED NOISE VREF = 1.0 V 25°C 0.98 0.98 0.98 LSB rms ANALOG INPUT Input Span, VREF = 1.0 V Full 2 2 2 V p-p Input Capacitance3 Full 6 6 6 pF Input Common-Mode Voltage Full 0.9 0.9 0.9 V Input Common-Mode Range Full 0.5 1.3 0.5 1.3 0.5 1.3 V REFERENCE INPUT RESISTANCE Full 7.5 7.5 7.5 kΩ POWER SUPPLIES Supply Voltage AVDD Full 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V DRVDD Full 1.7 3.6 1.7 3.6 1.7 3.6 V Supply Current IAVDD2 Full 25.0/31.3 27.3/33.7 41.0 44.0 47.0 50.0 mA IDRVDD2 (1.8 V) Full 1.6/2.9 4.7 5.6 mA IDRVDD2 (3.3 V) Full 3.0/5.3 8.4 10.2 mA POWER CONSUMPTION DC Input Full 45.2/57.2 75.2 86.8 mW Sine Wave Input2 (DRVDD = 1.8 V) Full 47.9/61.6 51.8/65.8 82.3 87.5 94.7 100 mW Sine Wave Input2 (DRVDD = 3.3 V) Full 54.9/73.8 101.5 118.3 mW Standby Power4 Full 34/34 34 34 mW Power-Down Power Full 0.5 0.5 0.5 mW 1 Measured with 1.0 V external reference. 2 Measured with a 10 MHz input frequency at rated sample rate, ful -scale sine wave, with approximately 5 pF loading on each output bit. 3 Input capacitance refers to the effective capacitance between one differential input pin and ground. 4 Standby power is measured with a dc input and the CLK+, CLK− active. Rev. B | Page 4 of 32 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS AD9649-80 AD9649-65 AD9649-40 AD9649-20 EQUIVALENT CIRCUITS THEORY OF OPERATION ANALOG INPUT CONSIDERATIONS Input Common Mode Differential Input Configurations Single-Ended Input Configuration VOLTAGE REFERENCE Internal Reference Connection External Reference Operation CLOCK INPUT CONSIDERATIONS Clock Input Options Input Clock Divider Clock Duty Cycle Jitter Considerations POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS Digital Output Enable Function (OEB) TIMING Data Clock Output (DCO) BUILT-IN SELF-TEST (BIST) AND OUTPUT TEST BUILT-IN SELF-TEST (BIST) OUTPUT TEST MODES SERIAL PORT INTERFACE (SPI) CONFIGURATION USING THE SPI HARDWARE INTERFACE CONFIGURATION WITHOUT THE SPI SPI ACCESSIBLE FEATURES MEMORY MAP READING THE MEMORY MAP REGISTER TABLE OPEN LOCATIONS DEFAULT VALUES Logic Levels Transfer Register Map MEMORY MAP REGISTER TABLE MEMORY MAP REGISTER DESCRIPTIONS USR2 (Register 0x101) Bit 3—Enable GCLK Detect Bit 2—Run GCLK Bit 0—Disable SDIO Pull-Down APPLICATIONS INFORMATION DESIGN GUIDELINES Power and Ground Recommendations Exposed Paddle Thermal Heat Sink Recommendations Encode Clock VCM RBIAS Reference Decoupling SPI Port Soft Reset OUTLINE DIMENSIONS ORDERING GUIDE