Datasheet AD9254 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | 14-Bit, 150 MSPS, 1.8 V Analog-to-Digital Converter |
| Páginas / Página | 41 / 4 — AD9254. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD9254BCPZ-150. … |
| Formato / tamaño de archivo | PDF / 1.5 Mb |
| Idioma del documento | Inglés |
AD9254. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD9254BCPZ-150. Parameter Temperature. Min Typ Max Unit
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AD9254 SPECIFICATIONS DC SPECIFICATIONS
AVDD = 1.8 V; DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, DCS enabled, unless otherwise noted.
Table 1. AD9254BCPZ-150 Parameter Temperature Min Typ Max Unit
RESOLUTION Full 14 Bits ACCURACY No Missing Codes Full Guaranteed Offset Error Full ±0.3 ±0.8 % FSR Gain Error Full ±0.6 ±4.5 % FSR Differential Nonlinearity (DNL)1 25°C ±0.4 LSB Full ±1.0 LSB Integral Nonlinearity (INL)1 25°C ±1.5 LSB Full ±5.0 LSB TEMPERATURE DRIFT Offset Error Full ±15 ppm/°C Gain Error Full ±95 ppm/°C INTERNAL VOLTAGE REFERENCE Output Voltage Error (1 V Mode) Full ±5 ±35 mV Load Regulation @ 1.0 mA Full 7 mV INPUT REFERRED NOISE VREF = 1.0 V 25°C 1.3 LSB rms ANALOG INPUT Input Span, VREF = 1.0 V Full 2 V p-p Input Capacitance2 Full 8 pF REFERENCE INPUT RESISTANCE Full 6 kΩ POWER SUPPLIES Supply Voltage AVDD Full 1.7 1.8 1.9 V DRVDD Full 1.7 2.5 3.6 V Supply Current IAVDD1 Full 240 260 mA IDRVDD1(DRVDD = 1.8 V) Full 11 mA IDRVDD1 (DRVDD = 3.3 V) Full 23 mA POWER CONSUMPTION DC Input Full 430 470 mW Sine Wave Input1 (DRVDD = 1.8 V) Full 450 mW Sine Wave Input1 (DRVDD = 3.3 V) Full 506 mW Standby Power3 Full 40 mW Power-Down Power Full 1.8 mW 1 Measured with a low input frequency, full-scale sine wave, with approximately 5 pF loading on each output bit. 2 Input capacitance refers to the effective capacitance between one differential input pin and AGND. Refer to Figure 4 for the equivalent analog input structure. 3 Standby power is measured with a dc input, the CLK pin inactive (set to AVDD or AGND). Rev. 0 | Page 3 of 40 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUT CONSIDERATIONS DIFFERENTIAL INPUT CONFIGURATIONS VOLTAGE REFERENCE CLOCK INPUT CONSIDERATIONS JITTER CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING SERIAL PORT INTERFACE (SPI) MEMORY MAP READING THE MEMORY MAP REGISTER TABLE MEMORY MAP REGISTER TABLE LAYOUT CONSIDERATIONS POWER AND GROUND RECOMMENDATIONS CML RBIAS REFERENCE DECOUPLING EVALUATION BOARD POWER SUPPLIES INPUT SIGNALS OUTPUT SIGNALS DEFAULT OPERATION AND JUMPER SELECTION SETTINGS ALTERNATIVE CLOCK CONFIGURATIONS ALTERNATIVE ANALOG INPUT DRIVE CONFIGURATION SCHEMATICS EVALUATION BOARD LAYOUT BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE
AD9254 SPECIFICATIONS DC SPECIFICATIONS
AVDD = 1.8 V; DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, DCS enabled, unless otherwise noted.
Table 1. AD9254BCPZ-150 Parameter Temperature Min Typ Max Unit
RESOLUTION Full 14 Bits ACCURACY No Missing Codes Full Guaranteed Offset Error Full ±0.3 ±0.8 % FSR Gain Error Full ±0.6 ±4.5 % FSR Differential Nonlinearity (DNL)1 25°C ±0.4 LSB Full ±1.0 LSB Integral Nonlinearity (INL)1 25°C ±1.5 LSB Full ±5.0 LSB TEMPERATURE DRIFT Offset Error Full ±15 ppm/°C Gain Error Full ±95 ppm/°C INTERNAL VOLTAGE REFERENCE Output Voltage Error (1 V Mode) Full ±5 ±35 mV Load Regulation @ 1.0 mA Full 7 mV INPUT REFERRED NOISE VREF = 1.0 V 25°C 1.3 LSB rms ANALOG INPUT Input Span, VREF = 1.0 V Full 2 V p-p Input Capacitance2 Full 8 pF REFERENCE INPUT RESISTANCE Full 6 kΩ POWER SUPPLIES Supply Voltage AVDD Full 1.7 1.8 1.9 V DRVDD Full 1.7 2.5 3.6 V Supply Current IAVDD1 Full 240 260 mA IDRVDD1(DRVDD = 1.8 V) Full 11 mA IDRVDD1 (DRVDD = 3.3 V) Full 23 mA POWER CONSUMPTION DC Input Full 430 470 mW Sine Wave Input1 (DRVDD = 1.8 V) Full 450 mW Sine Wave Input1 (DRVDD = 3.3 V) Full 506 mW Standby Power3 Full 40 mW Power-Down Power Full 1.8 mW 1 Measured with a low input frequency, full-scale sine wave, with approximately 5 pF loading on each output bit. 2 Input capacitance refers to the effective capacitance between one differential input pin and AGND. Refer to Figure 4 for the equivalent analog input structure. 3 Standby power is measured with a dc input, the CLK pin inactive (set to AVDD or AGND). Rev. 0 | Page 3 of 40 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUT CONSIDERATIONS DIFFERENTIAL INPUT CONFIGURATIONS VOLTAGE REFERENCE CLOCK INPUT CONSIDERATIONS JITTER CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING SERIAL PORT INTERFACE (SPI) MEMORY MAP READING THE MEMORY MAP REGISTER TABLE MEMORY MAP REGISTER TABLE LAYOUT CONSIDERATIONS POWER AND GROUND RECOMMENDATIONS CML RBIAS REFERENCE DECOUPLING EVALUATION BOARD POWER SUPPLIES INPUT SIGNALS OUTPUT SIGNALS DEFAULT OPERATION AND JUMPER SELECTION SETTINGS ALTERNATIVE CLOCK CONFIGURATIONS ALTERNATIVE ANALOG INPUT DRIVE CONFIGURATION SCHEMATICS EVALUATION BOARD LAYOUT BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE