Datasheet ADA4805-1, ADA4805-2 (Analog Devices) - 6
| 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 / 6 — ADA4805-1/ADA4805-2. Data Sheet. Parameter. Test Conditions/Comments. Min … |
| 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
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ADA4805-1/ADA4805-2 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
DC PERFORMANCE Input Offset Voltage 7 125 µV Input Offset Voltage Drift2 TMIN to TMAX, 4 σ 0.2 1.5 µV/°C Input Bias Current 440 690 nA Input Offset Current 0.5 nA Open-Loop Gain VOUT = 1.1 V to 1.9 V 100 107 dB INPUT CHARACTERISTICS Input Resistance Common Mode 50 MΩ Differential Mode 260 kΩ Input Capacitance 1 pF Input Common-Mode Voltage Range −0.1 +2 V Common-Mode Rejection Ratio VIN, CM = 0.5 V to 2 V 89 117 dB SHUTDOWN PIN SHUTDOWN Voltage Low Powered down <0.7 V High Enabled >1.1 V SHUTDOWN Current Low Powered down −1.0 0.1 µA High Enabled 0.01 1.0 µA Turn-Off Time 50% of SHUTDOWN to <10% of enabled 0.9 1.25 µs quiescent current Turn-On Time 50% of SHUTDOWN to >90% of final VOUT 7 8 µs OUTPUT CHARACTERISTICS Output Overdrive Recovery Time VIN = −1 V to +4 V, G = +2 135/175 ns (Rising/Falling Edge) Output Voltage Swing RL = 2 kΩ 0.02 2.98 V Short-Circuit Current Sinking/sourcing 65/47 mA Linear Output Current <1% THD at 100 kHz, VOUT = 1 V p-p ±40 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 470 495 µA SHUTDOWN = −VS 1.3 3 µA Power Supply Rejection Ratio Positive +VS = 1.5 V to 3.5 V, −VS = −1.5 V 96 119 dB Negative +VS = 1.5 V, −VS = −1.5 V to −3.5 V 96 125 dB 1 fC is the fundamental frequency. 2 Guaranteed, but not tested. Rev. B | Page 6 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
DC PERFORMANCE Input Offset Voltage 7 125 µV Input Offset Voltage Drift2 TMIN to TMAX, 4 σ 0.2 1.5 µV/°C Input Bias Current 440 690 nA Input Offset Current 0.5 nA Open-Loop Gain VOUT = 1.1 V to 1.9 V 100 107 dB INPUT CHARACTERISTICS Input Resistance Common Mode 50 MΩ Differential Mode 260 kΩ Input Capacitance 1 pF Input Common-Mode Voltage Range −0.1 +2 V Common-Mode Rejection Ratio VIN, CM = 0.5 V to 2 V 89 117 dB SHUTDOWN PIN SHUTDOWN Voltage Low Powered down <0.7 V High Enabled >1.1 V SHUTDOWN Current Low Powered down −1.0 0.1 µA High Enabled 0.01 1.0 µA Turn-Off Time 50% of SHUTDOWN to <10% of enabled 0.9 1.25 µs quiescent current Turn-On Time 50% of SHUTDOWN to >90% of final VOUT 7 8 µs OUTPUT CHARACTERISTICS Output Overdrive Recovery Time VIN = −1 V to +4 V, G = +2 135/175 ns (Rising/Falling Edge) Output Voltage Swing RL = 2 kΩ 0.02 2.98 V Short-Circuit Current Sinking/sourcing 65/47 mA Linear Output Current <1% THD at 100 kHz, VOUT = 1 V p-p ±40 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 470 495 µA SHUTDOWN = −VS 1.3 3 µA Power Supply Rejection Ratio Positive +VS = 1.5 V to 3.5 V, −VS = −1.5 V 96 119 dB Negative +VS = 1.5 V, −VS = −1.5 V to −3.5 V 96 125 dB 1 fC is the fundamental frequency. 2 Guaranteed, but not tested. Rev. B | Page 6 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