Datasheet ADA4927-1/ADA4927-2 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Ultralow Distortion Current Feedback Differential ADC Driver |
| 页数 / 页 | 25 / 6 — ADA4927-1/ADA4927-2. Data Sheet. VOCM to VOUT, cm Performance. Table 5. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 747 Kb |
| 文件语言 | 英语 |
ADA4927-1/ADA4927-2. Data Sheet. VOCM to VOUT, cm Performance. Table 5. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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ADA4927-1/ADA4927-2 Data Sheet VOCM to VOUT, cm Performance Table 5. Parameter Test Conditions/Comments Min Typ Max Unit
VOCM DYNAMIC PERFORMANCE Small signal −3 dB Bandwidth VOUT, cm = 100 mV p-p 1300 MHz Slew Rate VIN = 1.5 V to 3.5 V, 25% to 75% 1000 V/µs Input Voltage Noise (RTI) f = 100 kHz 15 nV/√Hz VOCM INPUT CHARACTERISTICS Input Voltage Range 1.5 to 3.5 V Input Resistance 3.8 5.0 7.5 kΩ Input Offset Voltage VOS, cm = VOUT, cm, VDIN+ = VDIN− = +VS/2 −5.0 +2.0 +10 mV VOCM CMRR ΔVOUT, dm/ΔVOCM, ΔVOCM = ±1 V −70 −100 dB Gain ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V 0.90 0.97 1.00 V/V
General Performance Table 6. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 4.5 11.0 V Quiescent Current per Amplifier 20 21.6 mA tMIN to tMAX variation ±7.0 µA/°C Powered down 0.6 mA Power Supply Rejection Ratio ΔVOUT, dm/ΔVS, ΔVS = 1 V −70 −89 dB POWER-DOWN (PD) PD Input Voltage Powered down <1.7 V Enabled >3.0 V Turn-Off Time 20 μs Turn-On Time 500 ns PD Pin Bias Current per Amplifier Enabled PD = 5 V −2 +2 µA Disabled PD = 0 V −105 −95 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. B | Page 6 of 25 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS REVISION HISTORY SPECIFICATIONS ±5 V OPERATION ±DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance +5 V OPERATION ±DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION DEFINITION OF TERMS Differential Voltage Common-Mode Voltage Balance APPLICATIONS INFORMATION ANALYZING AN APPLICATION CIRCUIT SETTING THE CLOSED-LOOP GAIN ESTIMATING THE OUTPUT NOISE VOLTAGE IMPACT OF MISMATCHES IN THE FEEDBACK NETWORKS CALCULATING THE INPUT IMPEDANCE FOR AN APPLICATION CIRCUIT Terminating a Single-Ended Input INPUT COMMON-MODE VOLTAGE RANGE INPUT AND OUTPUT CAPACITIVE AC COUPLING SETTING THE OUTPUT COMMON-MODE VOLTAGE POWER-DOWN Power-Down in Cold Applications LAYOUT, GROUNDING, AND BYPASSING HIGH PERFORMANCE ADC DRIVING OUTLINE DIMENSIONS ORDERING GUIDE
VOCM DYNAMIC PERFORMANCE Small signal −3 dB Bandwidth VOUT, cm = 100 mV p-p 1300 MHz Slew Rate VIN = 1.5 V to 3.5 V, 25% to 75% 1000 V/µs Input Voltage Noise (RTI) f = 100 kHz 15 nV/√Hz VOCM INPUT CHARACTERISTICS Input Voltage Range 1.5 to 3.5 V Input Resistance 3.8 5.0 7.5 kΩ Input Offset Voltage VOS, cm = VOUT, cm, VDIN+ = VDIN− = +VS/2 −5.0 +2.0 +10 mV VOCM CMRR ΔVOUT, dm/ΔVOCM, ΔVOCM = ±1 V −70 −100 dB Gain ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V 0.90 0.97 1.00 V/V
General Performance Table 6. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 4.5 11.0 V Quiescent Current per Amplifier 20 21.6 mA tMIN to tMAX variation ±7.0 µA/°C Powered down 0.6 mA Power Supply Rejection Ratio ΔVOUT, dm/ΔVS, ΔVS = 1 V −70 −89 dB POWER-DOWN (PD) PD Input Voltage Powered down <1.7 V Enabled >3.0 V Turn-Off Time 20 μs Turn-On Time 500 ns PD Pin Bias Current per Amplifier Enabled PD = 5 V −2 +2 µA Disabled PD = 0 V −105 −95 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. B | Page 6 of 25 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS REVISION HISTORY SPECIFICATIONS ±5 V OPERATION ±DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance +5 V OPERATION ±DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION DEFINITION OF TERMS Differential Voltage Common-Mode Voltage Balance APPLICATIONS INFORMATION ANALYZING AN APPLICATION CIRCUIT SETTING THE CLOSED-LOOP GAIN ESTIMATING THE OUTPUT NOISE VOLTAGE IMPACT OF MISMATCHES IN THE FEEDBACK NETWORKS CALCULATING THE INPUT IMPEDANCE FOR AN APPLICATION CIRCUIT Terminating a Single-Ended Input INPUT COMMON-MODE VOLTAGE RANGE INPUT AND OUTPUT CAPACITIVE AC COUPLING SETTING THE OUTPUT COMMON-MODE VOLTAGE POWER-DOWN Power-Down in Cold Applications LAYOUT, GROUNDING, AND BYPASSING HIGH PERFORMANCE ADC DRIVING OUTLINE DIMENSIONS ORDERING GUIDE