Datasheet ADA4805-1, ADA4805-2 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | 0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplifier |
| Páginas / Página | 25 / 2 — ADA4805-1/ADA4805-2. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. … |
| Revisión | B |
| Formato / tamaño de archivo | PDF / 784 Kb |
| Idioma del documento | Inglés |
ADA4805-1/ADA4805-2. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/14—Rev. A to Rev. B. 9/14—Rev. 0 to Rev. A
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ADA4805-1/ADA4805-2 Data Sheet TABLE OF CONTENTS
Features .. 1 Amplifier Description .. 18 Applications ... 1 Input Protection ... 18 General Description ... 1 Shutdown Operation .. 18 Typical Applications Circuit .. 1 Noise Considerations ... 19 Revision History ... 2 Applications Information .. 20 Specifications ... 3 Slew Enhancement ... 20 ±5 V Supply ... 3 Effect of Feedback Resistor on Frequency Response .. 20 5 V Supply .. 4 Compensating Peaking in Large Signal Frequency Response 3 V Supply .. 5 ... 20 Absolute Maximum Ratings .. 7 Driving Low Power, High Resolution Successive Approximation Register (SAR) ADCs... 20 Thermal Resistance .. 7 Dynamic Power Scaling ... 21 Maximum Power Dissipation ... 7 Single-Ended to Differential Conversion ... 23 ESD Caution .. 7 Layout Considerations ... 23 Pin Configurations and Function Descriptions ... 8 Outline Dimensions ... 24 Typical Performance Characteristics ... 10 Ordering Guide .. 25 Test Circuits ... 17 Theory of Operation .. 18
REVISION HISTORY 12/14—Rev. A to Rev. B
Changes to Figure 7 Caption, Figure 8 Caption, Figure 9 Added 10-Lead LFCSP ... Universal Caption, Figure 10 Caption, and Figure 11 Caption... 9 Changes to SHUTDOWN Current Parameter, Table 2 .. 3 Changes to Figure 13 Caption, Figure 14, Figure 17, and Changes to SHUTDOWN Current Parameter, Table 3 .. 5 Figure 18 ... 10 Changes to SHUTDOWN Current Parameter, Table 4 .. 6 Change to Figure 29 .. 12 Changes to Table 6 and Figure 3 .. 7 Moved Figure 41 .. 15 Changes to Table 8 ... 9 Changes to Figure 42 ... 15 Added Figure 6, Renumbered Sequentially ... 9 Added Figure 43 .. 15 Added Figure 42 ... 16 Changes to Figure 47 and Figure 48.. 16 Changed Layout ... 16 Changes to Amplifier Description Section, Input Protection Changes to Shutdown Operation Section .. 18 Section, Shutdown Operation Section, and Figure 51.. 17 Changes to Dynamic Power Scaling Section and Figure 61 .. 21 Changes to Noise Considerations Section and Figure 52 .. 18 Changes to Figure 62 and Figure 63 .. 22 Changes to Effect of Feedback Resistor on Frequency Response Updated Outline Dimensions .. 25 Section, Compensating Peaking in Large Signal Frequency Changes to Ordering Guide ... 25 Response Section, Figure 57, and Driving Low Power, High Resolution Successive Approximation Register (SAR) ADC
9/14—Rev. 0 to Rev. A
Section ... 19 Added ADA4805-2 ... Universal Changes to Figure 58, Dynamic Power Scaling Section, Changes to Features Section, General Description Section, and Figure 59, and Table 10 ... 20 Table 1 ... 1 Change to Figure 60 .. 21 Changes to Table 2 ... 3 Changes to Single-Ended to Differential Conversion Section, Changes to Table 3 ... 4 Table 11, and Figure 62 ... 22 Changes to Table 4 ... 5 Updated Outline Dimensions, Figure 65 ... 24 Changes to Table 6 and Figure 3 .. 7 Changes to Ordering Guide ... 24 Added Figure 6; Renumbered Sequentially; and Table 8; Renumbered Sequentially ... 8
7/14—Revision 0: Initial Version
Rev. B | Page 2 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 TABLE OF CONTENTS
Features .. 1 Amplifier Description .. 18 Applications ... 1 Input Protection ... 18 General Description ... 1 Shutdown Operation .. 18 Typical Applications Circuit .. 1 Noise Considerations ... 19 Revision History ... 2 Applications Information .. 20 Specifications ... 3 Slew Enhancement ... 20 ±5 V Supply ... 3 Effect of Feedback Resistor on Frequency Response .. 20 5 V Supply .. 4 Compensating Peaking in Large Signal Frequency Response 3 V Supply .. 5 ... 20 Absolute Maximum Ratings .. 7 Driving Low Power, High Resolution Successive Approximation Register (SAR) ADCs... 20 Thermal Resistance .. 7 Dynamic Power Scaling ... 21 Maximum Power Dissipation ... 7 Single-Ended to Differential Conversion ... 23 ESD Caution .. 7 Layout Considerations ... 23 Pin Configurations and Function Descriptions ... 8 Outline Dimensions ... 24 Typical Performance Characteristics ... 10 Ordering Guide .. 25 Test Circuits ... 17 Theory of Operation .. 18
REVISION HISTORY 12/14—Rev. A to Rev. B
Changes to Figure 7 Caption, Figure 8 Caption, Figure 9 Added 10-Lead LFCSP ... Universal Caption, Figure 10 Caption, and Figure 11 Caption... 9 Changes to SHUTDOWN Current Parameter, Table 2 .. 3 Changes to Figure 13 Caption, Figure 14, Figure 17, and Changes to SHUTDOWN Current Parameter, Table 3 .. 5 Figure 18 ... 10 Changes to SHUTDOWN Current Parameter, Table 4 .. 6 Change to Figure 29 .. 12 Changes to Table 6 and Figure 3 .. 7 Moved Figure 41 .. 15 Changes to Table 8 ... 9 Changes to Figure 42 ... 15 Added Figure 6, Renumbered Sequentially ... 9 Added Figure 43 .. 15 Added Figure 42 ... 16 Changes to Figure 47 and Figure 48.. 16 Changed Layout ... 16 Changes to Amplifier Description Section, Input Protection Changes to Shutdown Operation Section .. 18 Section, Shutdown Operation Section, and Figure 51.. 17 Changes to Dynamic Power Scaling Section and Figure 61 .. 21 Changes to Noise Considerations Section and Figure 52 .. 18 Changes to Figure 62 and Figure 63 .. 22 Changes to Effect of Feedback Resistor on Frequency Response Updated Outline Dimensions .. 25 Section, Compensating Peaking in Large Signal Frequency Changes to Ordering Guide ... 25 Response Section, Figure 57, and Driving Low Power, High Resolution Successive Approximation Register (SAR) ADC
9/14—Rev. 0 to Rev. A
Section ... 19 Added ADA4805-2 ... Universal Changes to Figure 58, Dynamic Power Scaling Section, Changes to Features Section, General Description Section, and Figure 59, and Table 10 ... 20 Table 1 ... 1 Change to Figure 60 .. 21 Changes to Table 2 ... 3 Changes to Single-Ended to Differential Conversion Section, Changes to Table 3 ... 4 Table 11, and Figure 62 ... 22 Changes to Table 4 ... 5 Updated Outline Dimensions, Figure 65 ... 24 Changes to Table 6 and Figure 3 .. 7 Changes to Ordering Guide ... 24 Added Figure 6; Renumbered Sequentially; and Table 8; Renumbered Sequentially ... 8
7/14—Revision 0: Initial Version
Rev. B | Page 2 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