Datasheet ADA4805-1, ADA4805-2 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplifier |
| 页数 / 页 | 25 / 4 — ADA4805-1/ADA4805-2. Data Sheet. Parameter. Test Conditions/Comments. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 784 Kb |
| 文件语言 | 英语 |
ADA4805-1/ADA4805-2. Data Sheet. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit. 5 V SUPPLY. Table 3. Parameter
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ADA4805-1/ADA4805-2 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
Short-Circuit Current Sinking/sourcing 85/73 mA Linear Output Current <1% THD at 100 kHz, VOUT = 2 V p-p ±58 mA Off Isolation VIN = 0.5 V p-p, f = 1 MHz, SHUTDOWN = −VS 41 dB Capacitive Load Drive 30% overshoot 15 pF POWER SUPPLY Operating Range 2.7 10 V Quiescent Current per Amplifier Enabled 570 625 µA SHUTDOWN = −VS 7.4 12 µA Power Supply Rejection Ratio Positive +VS = 3 V to 5 V, −VS = −5 V 100 119 dB Negative +VS = 5 V, −VS = −3 V to −5 V 100 122 dB 1 fC is the fundamental frequency. 2 Guaranteed, but not tested.
5 V SUPPLY
VS = 5 V at TA = 25°C; RF = 0 Ω for G = +1; otherwise, RF = 1 kΩ; RL = 2 kΩ to midsupply; unless otherwise noted. All specifications are per amplifier.
Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth G = +1, VOUT = 0.02 V p-p 105 MHz G = +1, VOUT = 2 V p-p 35 MHz Bandwidth for 0.1 dB Flatness G = +1, VOUT = 0.02 V p-p 20 MHz Slew Rate G = +1, VOUT = 2 V step 160 V/µs G = +2, VOUT = 4 V step 220 V/µs Settling Time to 0.1% G = +1, VOUT = 2 V step 35 ns G = +2, VOUT = 4 V step 82 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion, HD2/HD31 fC = 20 kHz, VOUT = 2 V p-p −114/−135 dBc fC = 100 kHz, VOUT = 2 V p-p −102/−126 dBc fC = 20 kHz, G = +2, VOUT = 4 V p-p −107/−143 dBc fC = 100 kHz, G = +2, VOUT = 4 V p-p −90/−130 dBc Input Voltage Noise f = 100 kHz 5.9 nV/√Hz Input Voltage Noise 1/f Corner 8 Hz 0.1 Hz to 10 Hz Voltage Noise 54 nV rms Input Current Noise f = 100 kHz 0.6 pA/√Hz DC PERFORMANCE Input Offset Voltage 9 125 µV Input Offset Voltage Drift2 TMIN to TMAX, 4 σ 0.2 1.5 µV/°C Input Bias Current 470 720 nA Input Offset Current 0.4 nA Open-Loop Gain VOUT = 1.25 V to 3.75 V 105 109 dB INPUT CHARACTERISTICS Input Resistance Common Mode 50 MΩ Differential Mode 260 kΩ Input Capacitance 1 pF Input Common-Mode Voltage Range −0.1 +4 V Common-Mode Rejection Ratio VIN, CM = 1.25 V to 3.75 V 103 133 dB Rev. B | Page 4 of 25 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATIONS CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±5 V SUPPLY 5 V SUPPLY 3 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION AMPLIFIER DESCRIPTION INPUT PROTECTION SHUTDOWN OPERATION NOISE CONSIDERATIONS APPLICATIONS INFORMATION SLEW ENHANCEMENT EFFECT OF FEEDBACK RESISTOR ON FREQUENCY RESPONSE COMPENSATING PEAKING IN LARGE SIGNAL FREQUENCY RESPONSE DRIVING LOW POWER, HIGH RESOLUTION SUCCESSIVE APPROXIMATION REGISTER (SAR) ADCs DYNAMIC POWER SCALING SINGLE-ENDED TO DIFFERENTIAL CONVERSION LAYOUT CONSIDERATIONS Ground Plane Power Supply Bypassing OUTLINE DIMENSIONS ORDERING GUIDE
ADA4805-1/ADA4805-2 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
Short-Circuit Current Sinking/sourcing 85/73 mA Linear Output Current <1% THD at 100 kHz, VOUT = 2 V p-p ±58 mA Off Isolation VIN = 0.5 V p-p, f = 1 MHz, SHUTDOWN = −VS 41 dB Capacitive Load Drive 30% overshoot 15 pF POWER SUPPLY Operating Range 2.7 10 V Quiescent Current per Amplifier Enabled 570 625 µA SHUTDOWN = −VS 7.4 12 µA Power Supply Rejection Ratio Positive +VS = 3 V to 5 V, −VS = −5 V 100 119 dB Negative +VS = 5 V, −VS = −3 V to −5 V 100 122 dB 1 fC is the fundamental frequency. 2 Guaranteed, but not tested.
5 V SUPPLY
VS = 5 V at TA = 25°C; RF = 0 Ω for G = +1; otherwise, RF = 1 kΩ; RL = 2 kΩ to midsupply; unless otherwise noted. All specifications are per amplifier.
Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth G = +1, VOUT = 0.02 V p-p 105 MHz G = +1, VOUT = 2 V p-p 35 MHz Bandwidth for 0.1 dB Flatness G = +1, VOUT = 0.02 V p-p 20 MHz Slew Rate G = +1, VOUT = 2 V step 160 V/µs G = +2, VOUT = 4 V step 220 V/µs Settling Time to 0.1% G = +1, VOUT = 2 V step 35 ns G = +2, VOUT = 4 V step 82 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion, HD2/HD31 fC = 20 kHz, VOUT = 2 V p-p −114/−135 dBc fC = 100 kHz, VOUT = 2 V p-p −102/−126 dBc fC = 20 kHz, G = +2, VOUT = 4 V p-p −107/−143 dBc fC = 100 kHz, G = +2, VOUT = 4 V p-p −90/−130 dBc Input Voltage Noise f = 100 kHz 5.9 nV/√Hz Input Voltage Noise 1/f Corner 8 Hz 0.1 Hz to 10 Hz Voltage Noise 54 nV rms Input Current Noise f = 100 kHz 0.6 pA/√Hz DC PERFORMANCE Input Offset Voltage 9 125 µV Input Offset Voltage Drift2 TMIN to TMAX, 4 σ 0.2 1.5 µV/°C Input Bias Current 470 720 nA Input Offset Current 0.4 nA Open-Loop Gain VOUT = 1.25 V to 3.75 V 105 109 dB INPUT CHARACTERISTICS Input Resistance Common Mode 50 MΩ Differential Mode 260 kΩ Input Capacitance 1 pF Input Common-Mode Voltage Range −0.1 +4 V Common-Mode Rejection Ratio VIN, CM = 1.25 V to 3.75 V 103 133 dB Rev. B | Page 4 of 25 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATIONS CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±5 V SUPPLY 5 V SUPPLY 3 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION AMPLIFIER DESCRIPTION INPUT PROTECTION SHUTDOWN OPERATION NOISE CONSIDERATIONS APPLICATIONS INFORMATION SLEW ENHANCEMENT EFFECT OF FEEDBACK RESISTOR ON FREQUENCY RESPONSE COMPENSATING PEAKING IN LARGE SIGNAL FREQUENCY RESPONSE DRIVING LOW POWER, HIGH RESOLUTION SUCCESSIVE APPROXIMATION REGISTER (SAR) ADCs DYNAMIC POWER SCALING SINGLE-ENDED TO DIFFERENTIAL CONVERSION LAYOUT CONSIDERATIONS Ground Plane Power Supply Bypassing OUTLINE DIMENSIONS ORDERING GUIDE