Datasheet ADA4922-1 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | High Voltage, Differential 18-Bit ADC Driver |
| 页数 / 页 | 20 / 5 — ADA4922-1. Data Sheet. Table 2. Parameter. Test Conditions/Comments. Min. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 554 Kb |
| 文件语言 | 英语 |
ADA4922-1. Data Sheet. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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ADA4922-1 Data Sheet
VS = ±5 V, TA = 25°C, RL = 1 kΩ, DIS = high, CL = 3 pF, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE –3 dB Bandwidth G = +2, VO = 0.2 V p-p, differential 36 40.5 MHz G = +2, VO = 12 V p-p, differential 6.5 13.5 MHz Overdrive Recovery Time +Recovery/−Recovery 200/670 ns Slew Rate VO, dm = 2 V step 220 V/µs VO, dm = 12 V step 350 V/µs Settling Time to 0.01% VO, dm = 12 V step 200 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion fC = 5 kHz, VO = 12 V p-p, RL = 2 kΩ, HD2/HD3 −102/−108 dBc fC = 100 kHz, VO = 12 V p-p, RL = 2 kΩ, HD2/HD3 −101/−98 dBc Differential Output Voltage Noise f = 100 kHz 12 nV/√Hz Input Current Noise f = 100 kHz 1.4 pA/√Hz DC PERFORMANCE Differential Output Offset Voltage 0.4 1.2 mV Differential Output Offset Voltage Drift 12 µV/°C Input Bias Current 2.0 3.5 µA Gain 2 V/V Gain Error −0.05 % Gain Error Drift 0.0002 %/°C INPUT CHARACTERISTICS Input Resistance 11 MΩ Input Capacitance 1 pF Input Voltage Range ±3.6 V OUTPUT CHARACTERISTICS Output Voltage Swing Each single-ended output, RL = 1 kΩ ±3.55 ±3.6 V DC Output Current 40 mA Capacitive Load Drive 30% overshoot 20 pF POWER SUPPLY Operating Range 5 26 V Quiescent Current 7.0 7.6 mA Quiescent Current (Disabled) 0.7 1.6 mA Power Supply Rejection Ratio (PSRR) −PSRR −93 −82 dB +PSRR −91 −83 dB DISABLE DIS Input Voltage Disabled ≤ −4 V Enabled ≥ −2 V Turn-Off Time 160 µs Turn-On Time 78 ns DIS Bias Current Enabled DIS = −2 V 41 µA Disabled DIS = −4 V 49 µA Rev. A | Page 4 of 19 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION ADA4922-1 DIFFERENTIAL OUTPUT NOISE MODEL USING THE REF PIN INTERNAL FEEDBACK NETWORK POWER DISSIPATION DISABLE FEATURE DRIVING A DIFFERENTIAL INPUT ADC PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
VS = ±5 V, TA = 25°C, RL = 1 kΩ, DIS = high, CL = 3 pF, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE –3 dB Bandwidth G = +2, VO = 0.2 V p-p, differential 36 40.5 MHz G = +2, VO = 12 V p-p, differential 6.5 13.5 MHz Overdrive Recovery Time +Recovery/−Recovery 200/670 ns Slew Rate VO, dm = 2 V step 220 V/µs VO, dm = 12 V step 350 V/µs Settling Time to 0.01% VO, dm = 12 V step 200 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion fC = 5 kHz, VO = 12 V p-p, RL = 2 kΩ, HD2/HD3 −102/−108 dBc fC = 100 kHz, VO = 12 V p-p, RL = 2 kΩ, HD2/HD3 −101/−98 dBc Differential Output Voltage Noise f = 100 kHz 12 nV/√Hz Input Current Noise f = 100 kHz 1.4 pA/√Hz DC PERFORMANCE Differential Output Offset Voltage 0.4 1.2 mV Differential Output Offset Voltage Drift 12 µV/°C Input Bias Current 2.0 3.5 µA Gain 2 V/V Gain Error −0.05 % Gain Error Drift 0.0002 %/°C INPUT CHARACTERISTICS Input Resistance 11 MΩ Input Capacitance 1 pF Input Voltage Range ±3.6 V OUTPUT CHARACTERISTICS Output Voltage Swing Each single-ended output, RL = 1 kΩ ±3.55 ±3.6 V DC Output Current 40 mA Capacitive Load Drive 30% overshoot 20 pF POWER SUPPLY Operating Range 5 26 V Quiescent Current 7.0 7.6 mA Quiescent Current (Disabled) 0.7 1.6 mA Power Supply Rejection Ratio (PSRR) −PSRR −93 −82 dB +PSRR −91 −83 dB DISABLE DIS Input Voltage Disabled ≤ −4 V Enabled ≥ −2 V Turn-Off Time 160 µs Turn-On Time 78 ns DIS Bias Current Enabled DIS = −2 V 41 µA Disabled DIS = −4 V 49 µA Rev. A | Page 4 of 19 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION ADA4922-1 DIFFERENTIAL OUTPUT NOISE MODEL USING THE REF PIN INTERNAL FEEDBACK NETWORK POWER DISSIPATION DISABLE FEATURE DRIVING A DIFFERENTIAL INPUT ADC PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE