Datasheet AD9246 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 14-Bit, 80 MSPS/105 MSPS/125 MSPS, 1.8 V Analog-to-Digital Converter |
| 页数 / 页 | 45 / 5 — AD9246. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD9246BCPZ-80 … |
| 修订版 | A |
| 文件格式/大小 | PDF / 1.0 Mb |
| 文件语言 | 英语 |
AD9246. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD9246BCPZ-80 AD9246BCPZ-105 AD9246BCPZ-125. Parameter Temp. Min. Typ Max
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AD9246 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. AD9246BCPZ-80 AD9246BCPZ-105 AD9246BCPZ-125 Parameter Temp Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION Full 14 14 14 Bits ACCURACY No Missing Codes Full Guaranteed Guaranteed Guaranteed Offset Error Full ±0.3 ±0.5 ±0.3 ±0.8 ±0.3 ±0.8 % FSR Gain Error Full ±0.6 ±4.7 ±0.6 ±5.0 ±0.6 ±4.2 % FSR Differential Nonlinearity (DNL)1 Full ±1.0 ±1.0 ±1.0 LSB 25°C ±0.4 ±0.4 ±0.4 LSB Integral Nonlinearity (INL)1 Full ±5.0 ±5.0 ±5.0 LSB 25°C ±1.5 ±1.3 ±1.5 LSB TEMPERATURE DRIFT Offset Error Full ±15 ±15 ±15 ppm/°C Gain Error Full ±95 ±95 ±95 ppm/°C INTERNAL VOLTAGE REFERENCE Output Voltage Error (1 V Mode) Full ±5 ±20 ±5 ±35 ±5 ±35 mV Load Regulation @ 1.0 mA Full 7 7 7 mV INPUT REFERRED NOISE VREF = 1.0 V 25°C 1.3 1.3 1.3 LSB rms ANALOG INPUT Input Span, VREF = 1.0 V Full 2 2 2 V p-p Input Capacitance2 Full 8 8 8 pF REFERENCE INPUT RESISTANCE Full 6 6 6 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 2.5 3.6 1.7 2.5 3.6 1.7 2.5 3.6 V Supply Current IAVDD1 Full 138 155 178 194 220 236 mA IDRVDD1 (DRVDD = 1.8 V) Full 7 9 11 mA IDRVDD1 (DRVDD = 3.3 V) Full 12 16 19 mA POWER CONSUMPTION DC Input Full 248 279 320 350 395 425 mW Sine Wave Input1 (DRVDD = 1.8 V) Full 261 337 415 mW Sine Wave Input1 (DRVDD = 3.3 V) Full 288 373 458 mW Standby Power3 Full 40 40 40 mW Power-Down Power Full 1.8 1.8 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. A | Page 4 of 44 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS 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 VOLTAGE REFERENCE CLOCK INPUT CONSIDERATIONS JITTER CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING SERIAL PORT INTERFACE (SPI) CONFIGURATION USING THE SPI HARDWARE INTERFACE CONFIGURATION WITHOUT THE 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 LAYOUTS BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE
AD9246 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. AD9246BCPZ-80 AD9246BCPZ-105 AD9246BCPZ-125 Parameter Temp Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION Full 14 14 14 Bits ACCURACY No Missing Codes Full Guaranteed Guaranteed Guaranteed Offset Error Full ±0.3 ±0.5 ±0.3 ±0.8 ±0.3 ±0.8 % FSR Gain Error Full ±0.6 ±4.7 ±0.6 ±5.0 ±0.6 ±4.2 % FSR Differential Nonlinearity (DNL)1 Full ±1.0 ±1.0 ±1.0 LSB 25°C ±0.4 ±0.4 ±0.4 LSB Integral Nonlinearity (INL)1 Full ±5.0 ±5.0 ±5.0 LSB 25°C ±1.5 ±1.3 ±1.5 LSB TEMPERATURE DRIFT Offset Error Full ±15 ±15 ±15 ppm/°C Gain Error Full ±95 ±95 ±95 ppm/°C INTERNAL VOLTAGE REFERENCE Output Voltage Error (1 V Mode) Full ±5 ±20 ±5 ±35 ±5 ±35 mV Load Regulation @ 1.0 mA Full 7 7 7 mV INPUT REFERRED NOISE VREF = 1.0 V 25°C 1.3 1.3 1.3 LSB rms ANALOG INPUT Input Span, VREF = 1.0 V Full 2 2 2 V p-p Input Capacitance2 Full 8 8 8 pF REFERENCE INPUT RESISTANCE Full 6 6 6 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 2.5 3.6 1.7 2.5 3.6 1.7 2.5 3.6 V Supply Current IAVDD1 Full 138 155 178 194 220 236 mA IDRVDD1 (DRVDD = 1.8 V) Full 7 9 11 mA IDRVDD1 (DRVDD = 3.3 V) Full 12 16 19 mA POWER CONSUMPTION DC Input Full 248 279 320 350 395 425 mW Sine Wave Input1 (DRVDD = 1.8 V) Full 261 337 415 mW Sine Wave Input1 (DRVDD = 3.3 V) Full 288 373 458 mW Standby Power3 Full 40 40 40 mW Power-Down Power Full 1.8 1.8 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. A | Page 4 of 44 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS 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 VOLTAGE REFERENCE CLOCK INPUT CONSIDERATIONS JITTER CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING SERIAL PORT INTERFACE (SPI) CONFIGURATION USING THE SPI HARDWARE INTERFACE CONFIGURATION WITHOUT THE 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 LAYOUTS BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE