Datasheet ADA4930-1/ADA4930-2 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Ultralow Noise Drivers for Low Voltage ADCs |
| Seiten / Seite | 25 / 6 — ADA4930-1/ADA4930-2. Data Sheet. 5 V VOCM TO VO, CM PERFORMANCE. Table 5. … |
| Revision | D |
| Dateiformat / Größe | PDF / 633 Kb |
| Dokumentensprache | Englisch |
ADA4930-1/ADA4930-2. Data Sheet. 5 V VOCM TO VO, CM PERFORMANCE. Table 5. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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ADA4930-1/ADA4930-2 Data Sheet 5 V VOCM TO VO, CM PERFORMANCE Table 5. Parameter Test Conditions/Comments Min Typ Max Unit
VOCM DYNAMIC PERFORMANCE −3 dB Bandwidth VO, cm = 0.1 V p-p 740 MHz Slew Rate VO, cm = 2 V p-p, 25% to 75% 1224 V/µs VOCM INPUT CHARACTERISTICS Input Voltage Range 0.5 2.3 V Input Resistance 7.0 8.3 10.2 kΩ Input Offset Voltage VOS, cm = VO, cm − VOCM; VIP = VIN = VOCM = 0 V −25 +0.35 +15 mV Input Voltage Noise f = 100 kHz 23.5 nV/√Hz Gain 0.99 1 1.02 V/V CMRR ΔVOCM = 1.5 V; RF = RG = 10 kΩ, RL = open circuit −80 −77 dB
5 V GENERAL PERFORMANCE Table 6. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 5 V Quiescent Current per Amplifier Enabled 31.1 34 38.4 mA Enabled, TMIN to TMAX variation 74.5 µA/°C Disabled 0.45 1.8 2.6 mA +PSRR ΔVICM = 1 V; RF = RG = 10 kΩ, RL = open circuit −74 −71 dB −PSRR ΔVICM = 1 V; RF = RG = 10 kΩ, RL = open circuit −91 −75 dB POWER-DOWN (PD) PD Input Voltage Disabled <2.5 V Enabled >3 V Turn-Off Time 1 µs Turn-On Time 12 ns PD Pin Bias Current Enabled PD = 5 V 0.09 µA Disabled PD = 0 V 97 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. C | Page 6 of 25 Document Outline Features Applications General Description Functional Block Diagrams Revision History Specifications 3.3 V Operation 3.3 V VOCM to VO, cm Performance 3.3 V General Performance 5 V Operation 5 V VOCM to VO, cm Performance 5 V General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Operational Description Definition of Terms Differential Voltage Common-Mode Voltage Balance Theory of Operation Analyzing an Application Circuit Setting the Closed-Loop Gain Estimating the Output Noise Voltage Impact of Mismatches in the Feedback Networks Input Common-Mode Voltage Range Minimum RG Value Setting the Output Common-Mode Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Terminating a Single-Ended Input in a Single-Supply Applications Input Common-Mode Adjustment with DC Biased Source Input Common-Mode Adjustment with Resistors Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide
VOCM DYNAMIC PERFORMANCE −3 dB Bandwidth VO, cm = 0.1 V p-p 740 MHz Slew Rate VO, cm = 2 V p-p, 25% to 75% 1224 V/µs VOCM INPUT CHARACTERISTICS Input Voltage Range 0.5 2.3 V Input Resistance 7.0 8.3 10.2 kΩ Input Offset Voltage VOS, cm = VO, cm − VOCM; VIP = VIN = VOCM = 0 V −25 +0.35 +15 mV Input Voltage Noise f = 100 kHz 23.5 nV/√Hz Gain 0.99 1 1.02 V/V CMRR ΔVOCM = 1.5 V; RF = RG = 10 kΩ, RL = open circuit −80 −77 dB
5 V GENERAL PERFORMANCE Table 6. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 5 V Quiescent Current per Amplifier Enabled 31.1 34 38.4 mA Enabled, TMIN to TMAX variation 74.5 µA/°C Disabled 0.45 1.8 2.6 mA +PSRR ΔVICM = 1 V; RF = RG = 10 kΩ, RL = open circuit −74 −71 dB −PSRR ΔVICM = 1 V; RF = RG = 10 kΩ, RL = open circuit −91 −75 dB POWER-DOWN (PD) PD Input Voltage Disabled <2.5 V Enabled >3 V Turn-Off Time 1 µs Turn-On Time 12 ns PD Pin Bias Current Enabled PD = 5 V 0.09 µA Disabled PD = 0 V 97 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. C | Page 6 of 25 Document Outline Features Applications General Description Functional Block Diagrams Revision History Specifications 3.3 V Operation 3.3 V VOCM to VO, cm Performance 3.3 V General Performance 5 V Operation 5 V VOCM to VO, cm Performance 5 V General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Operational Description Definition of Terms Differential Voltage Common-Mode Voltage Balance Theory of Operation Analyzing an Application Circuit Setting the Closed-Loop Gain Estimating the Output Noise Voltage Impact of Mismatches in the Feedback Networks Input Common-Mode Voltage Range Minimum RG Value Setting the Output Common-Mode Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Terminating a Single-Ended Input in a Single-Supply Applications Input Common-Mode Adjustment with DC Biased Source Input Common-Mode Adjustment with Resistors Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide