Datasheet ADA4930-1/ADA4930-2 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | Ultralow Noise Drivers for Low Voltage ADCs |
| Páginas / Página | 25 / 4 — ADA4930-1/ADA4930-2. Data Sheet. 3.3 V VOCM TO VO, CM PERFORMANCE. Table … |
| Revisión | D |
| Formato / tamaño de archivo | PDF / 633 Kb |
| Idioma del documento | Inglés |
ADA4930-1/ADA4930-2. Data Sheet. 3.3 V VOCM TO VO, CM PERFORMANCE. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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ADA4930-1/ADA4930-2 Data Sheet 3.3 V VOCM TO VO, CM PERFORMANCE Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
VOCM DYNAMIC PERFORMANCE −3 dB Bandwidth VO, cm = 0.1 V p-p 745 MHz Slew Rate VO, cm = 2 V p-p, 25% to 75% 828 V/µs VOCM INPUT CHARACTERISTICS Input Voltage Range 0.8 1.1 V Input Resistance 7.0 8.3 10.3 kΩ Input Offset Voltage VOS, cm = VO, cm − VOCM; VIP = VIN = VOCM = 0 V −25 +15.4 +31 mV Input Voltage Noise f = 100 kHz 23.5 nV/√Hz Gain 0.99 1 1.02 V/V CMRR ΔVOCM = 0.5 V dc; RF = RG = 10 kΩ, RL = open circuit −83 −77 dB
3.3 V GENERAL PERFORMANCE Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 3.3 V Quiescent Current per Amplifier Enabled 32 35 40 mA Enabled, TMIN to TMAX variation 81 µA/°C Disabled 0.44 1.8 2.35 mA +PSRR ΔVICM = 0.5 V; RF = RG = 10 kΩ, RL = open circuit −74 −70 dB −PSRR ΔVICM = 0.5 V; RF = RG = 10 kΩ, RL = open circuit −87 −76 dB POWER-DOWN (PD) PD Input Voltage Disabled <0.8 V Enabled >1.3 V Turn-Off Time 1 µs Turn-On Time 12 ns PD Pin Bias Current Enabled PD = 3.3 V 0.09 µA Disabled PD = 0 V 97 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. C | Page 4 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 745 MHz Slew Rate VO, cm = 2 V p-p, 25% to 75% 828 V/µs VOCM INPUT CHARACTERISTICS Input Voltage Range 0.8 1.1 V Input Resistance 7.0 8.3 10.3 kΩ Input Offset Voltage VOS, cm = VO, cm − VOCM; VIP = VIN = VOCM = 0 V −25 +15.4 +31 mV Input Voltage Noise f = 100 kHz 23.5 nV/√Hz Gain 0.99 1 1.02 V/V CMRR ΔVOCM = 0.5 V dc; RF = RG = 10 kΩ, RL = open circuit −83 −77 dB
3.3 V GENERAL PERFORMANCE Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 3.3 V Quiescent Current per Amplifier Enabled 32 35 40 mA Enabled, TMIN to TMAX variation 81 µA/°C Disabled 0.44 1.8 2.35 mA +PSRR ΔVICM = 0.5 V; RF = RG = 10 kΩ, RL = open circuit −74 −70 dB −PSRR ΔVICM = 0.5 V; RF = RG = 10 kΩ, RL = open circuit −87 −76 dB POWER-DOWN (PD) PD Input Voltage Disabled <0.8 V Enabled >1.3 V Turn-Off Time 1 µs Turn-On Time 12 ns PD Pin Bias Current Enabled PD = 3.3 V 0.09 µA Disabled PD = 0 V 97 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. C | Page 4 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