Datasheet AD9445 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | 14-Bit, 105 MSPS / 125 MSPS A/D Converter |
| Seiten / Seite | 41 / 4 — AD9445. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD9445BSVZ-105. … |
| Dateiformat / Größe | PDF / 810 Kb |
| Dokumentensprache | Englisch |
AD9445. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD9445BSVZ-105. AD9445BSVZ-125. Parameter. Temp. Min Typ Max Min Typ Max Unit
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AD9445 SPECIFICATIONS DC SPECIFICATIONS
AVDD1 = 3.3 V, AVDD2 = 5.0 V, DRVDD = 3.3 V, LVDS mode, specified minimum sampling rate, 2.0 V p-p differential input, internal trimmed reference (1.0 V mode), AIN = −1.0 dBFS, DCS on, unless otherwise noted. RF ENABLE = AGND.
Table 1. AD9445BSVZ-105 AD9445BSVZ-125 Parameter Temp Min Typ Max Min Typ Max Unit
RESOLUTION Full 14 14 Bits ACCURACY No Missing Codes Full Guaranteed Guaranteed Offset Error Full −7 +7 −7 +7 mV 25°C ±3 ±3 mV Gain Error Full −3 +3 −3 +3 % FSR 25°C −2 +2 −2 +2 % FSR Differential Nonlinearity (DNL)1 Full −0.6 ±0.25 +0.65 −0.6 ±0.25 +0.65 LSB 5 5 Integral Nonlinearity (INL)1 25°C ±0.65 ±0.8 LSB Full −1.6 +1.6 −2 +2 LSB VOLTAGE REFERENCE Output Voltage VREF = 1.0 V Full 0.9 1.0 1.1 0.9 1.0 1.1 V Load Regulation @ 1.0 mA Full ±2 ±2 mV Reference Input Current (External VREF = 1.6 V) Full μA INPUT REFERRED NOISE 25°C 1.0 1.0 LSB rms ANALOG INPUT Input Span VREF = 1.6 V Full 3.2 3.2 V p-p VREF = 1.0 V Full 2.0 2.0 V p-p Internal Input Common-Mode Voltage Full 3.5 3.5 V External Input Common-Mode Voltage Full 3.1 3.9 3.1 3.9 V Input Resistance2 Full 1 1 kΩ Input Capacitance2 Full 6 6 pF POWER SUPPLIES Supply Voltage AVDD1 Full 3.14 3.3 3.46 3.14 3.3 3.46 V AVDD2 Full 4.75 5.0 5.25 4.75 5.0 5.25 V DRVDD—LVDS Outputs Full 3.0 3.6 3.0 3.6 V DRVDD—CMOS Outputs Full 3.0 3.3 3.6 3.0 3.3 3.6 V Supply Current1 AVDD1 Full 335 364 384 424 mA AVDD21, 3 Full 169 196 172 199 mA I 1 DRVDD —LVDS Outputs Full 63 78 63 78 mA I 1 DRVDD —CMOS Outputs Full 14 14 mA PSRR Offset Full 1 1 mV/V Gain Full 0.2 0.2 %/V POWER CONSUMPTION LVDS Outputs Full 2.2 2.4 2.3 2.6 W CMOS Outputs (DC Input) Full 2.0 2.1 W 1 Measured at the maximum clock rate, fIN = 15 MHz, full-scale sine wave, with a 100 Ω differential termination on each pair of output bits for LVDS output mode and approximately 5 pF loading on each output bit for CMOS output mode. 2 Input capacitance or resistance refers to the effective impedance between one differential input pin and AGND. Refer to Figure 6 for the equivalent analog input structure. 3 For RF ENABLE = AVDD1, IAVDD2 increases by ~30 mA, which increases power dissipation. 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 DIAGRAMS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TERMINOLOGY PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUT AND REFERENCE OVERVIEW Internal Reference Connection Internal Reference Trim External Reference Operation Analog Inputs High IF Applications CLOCK INPUT CONSIDERATIONS Jitter Considerations POWER CONSIDERATIONS DIGITAL OUTPUTS LVDS Mode CMOS Mode TIMING OPERATIONAL MODE SELECTION Data Format Select Output Mode Select Duty Cycle Stabilizer RF ENABLE EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE
AD9445 SPECIFICATIONS DC SPECIFICATIONS
AVDD1 = 3.3 V, AVDD2 = 5.0 V, DRVDD = 3.3 V, LVDS mode, specified minimum sampling rate, 2.0 V p-p differential input, internal trimmed reference (1.0 V mode), AIN = −1.0 dBFS, DCS on, unless otherwise noted. RF ENABLE = AGND.
Table 1. AD9445BSVZ-105 AD9445BSVZ-125 Parameter Temp Min Typ Max Min Typ Max Unit
RESOLUTION Full 14 14 Bits ACCURACY No Missing Codes Full Guaranteed Guaranteed Offset Error Full −7 +7 −7 +7 mV 25°C ±3 ±3 mV Gain Error Full −3 +3 −3 +3 % FSR 25°C −2 +2 −2 +2 % FSR Differential Nonlinearity (DNL)1 Full −0.6 ±0.25 +0.65 −0.6 ±0.25 +0.65 LSB 5 5 Integral Nonlinearity (INL)1 25°C ±0.65 ±0.8 LSB Full −1.6 +1.6 −2 +2 LSB VOLTAGE REFERENCE Output Voltage VREF = 1.0 V Full 0.9 1.0 1.1 0.9 1.0 1.1 V Load Regulation @ 1.0 mA Full ±2 ±2 mV Reference Input Current (External VREF = 1.6 V) Full μA INPUT REFERRED NOISE 25°C 1.0 1.0 LSB rms ANALOG INPUT Input Span VREF = 1.6 V Full 3.2 3.2 V p-p VREF = 1.0 V Full 2.0 2.0 V p-p Internal Input Common-Mode Voltage Full 3.5 3.5 V External Input Common-Mode Voltage Full 3.1 3.9 3.1 3.9 V Input Resistance2 Full 1 1 kΩ Input Capacitance2 Full 6 6 pF POWER SUPPLIES Supply Voltage AVDD1 Full 3.14 3.3 3.46 3.14 3.3 3.46 V AVDD2 Full 4.75 5.0 5.25 4.75 5.0 5.25 V DRVDD—LVDS Outputs Full 3.0 3.6 3.0 3.6 V DRVDD—CMOS Outputs Full 3.0 3.3 3.6 3.0 3.3 3.6 V Supply Current1 AVDD1 Full 335 364 384 424 mA AVDD21, 3 Full 169 196 172 199 mA I 1 DRVDD —LVDS Outputs Full 63 78 63 78 mA I 1 DRVDD —CMOS Outputs Full 14 14 mA PSRR Offset Full 1 1 mV/V Gain Full 0.2 0.2 %/V POWER CONSUMPTION LVDS Outputs Full 2.2 2.4 2.3 2.6 W CMOS Outputs (DC Input) Full 2.0 2.1 W 1 Measured at the maximum clock rate, fIN = 15 MHz, full-scale sine wave, with a 100 Ω differential termination on each pair of output bits for LVDS output mode and approximately 5 pF loading on each output bit for CMOS output mode. 2 Input capacitance or resistance refers to the effective impedance between one differential input pin and AGND. Refer to Figure 6 for the equivalent analog input structure. 3 For RF ENABLE = AVDD1, IAVDD2 increases by ~30 mA, which increases power dissipation. 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 DIAGRAMS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TERMINOLOGY PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUT AND REFERENCE OVERVIEW Internal Reference Connection Internal Reference Trim External Reference Operation Analog Inputs High IF Applications CLOCK INPUT CONSIDERATIONS Jitter Considerations POWER CONSIDERATIONS DIGITAL OUTPUTS LVDS Mode CMOS Mode TIMING OPERATIONAL MODE SELECTION Data Format Select Output Mode Select Duty Cycle Stabilizer RF ENABLE EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE