Datasheet ADA4932-1/ADA4932-2 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | Low Power Differential ADC Driver |
| Seiten / Seite | 27 / 4 — ADA4932-1/ADA4932-2. Data Sheet. VOCM to VOUT, cm Performance. Table 2. … |
| Revision | E |
| Dateiformat / Größe | PDF / 770 Kb |
| Dokumentensprache | Englisch |
ADA4932-1/ADA4932-2. Data Sheet. VOCM to VOUT, cm Performance. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit
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ADA4932-1/ADA4932-2 Data Sheet VOCM to VOUT, cm Performance Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
VOCM DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT, cm = 100 mV p-p 270 MHz −3 dB Large Signal Bandwidth VOUT, cm = 2 V p-p 105 MHz Slew Rate VIN = 1.5 V to 3.5 V, 25% to 75% 410 V/µs Input Voltage Noise (RTI) f = 1 MHz 9.6 nV/√Hz VOCM INPUT CHARACTERISTICS Input Voltage Range −VS + 1.2 to +VS − 1.2 V Input Resistance 22 25 29 kΩ Input Offset Voltage V+DIN = V−DIN = 0 V −5.1 ±1 +5.1 mV VOCM CMRR ΔVOUT, dm/ΔVOCM, ΔVOCM = ±1 V −100 −86 dB Gain ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V 0.995 0.998 1.000 V/V
General Performance Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 3.0 11 V Quiescent Current per Amplifier 9.0 9.6 10.1 mA TMIN to TMAX variation 35 µA/°C Powered down 0.9 1.0 mA Power Supply Rejection Ratio ΔVOUT, dm/ΔVS, ΔVS = 1 V p-p −96 −84 dB POWER-DOWN (PD) PD Input Voltage Powered down ≤(+VS − 2.5) V Enabled ≥(+VS − 1.8) V Turn-Off Time 1100 ns Turn-On Time 16 ns PD Pin Bias Current per Amplifier Enabled PD = 5 V −10 +0.7 +10 µA Disabled PD = 0 V −240 −195 −140 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. E | Page 4 of 27 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS 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 TERMINOLOGY THEORY OF OPERATION 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 HIGH PERFORMANCE PRECISION ADC DRIVER HIGH PERFORMANCE ADC DRIVING LAYOUT, GROUNDING, AND BYPASSING OUTLINE DIMENSIONS ORDERING GUIDE
VOCM DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT, cm = 100 mV p-p 270 MHz −3 dB Large Signal Bandwidth VOUT, cm = 2 V p-p 105 MHz Slew Rate VIN = 1.5 V to 3.5 V, 25% to 75% 410 V/µs Input Voltage Noise (RTI) f = 1 MHz 9.6 nV/√Hz VOCM INPUT CHARACTERISTICS Input Voltage Range −VS + 1.2 to +VS − 1.2 V Input Resistance 22 25 29 kΩ Input Offset Voltage V+DIN = V−DIN = 0 V −5.1 ±1 +5.1 mV VOCM CMRR ΔVOUT, dm/ΔVOCM, ΔVOCM = ±1 V −100 −86 dB Gain ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V 0.995 0.998 1.000 V/V
General Performance Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 3.0 11 V Quiescent Current per Amplifier 9.0 9.6 10.1 mA TMIN to TMAX variation 35 µA/°C Powered down 0.9 1.0 mA Power Supply Rejection Ratio ΔVOUT, dm/ΔVS, ΔVS = 1 V p-p −96 −84 dB POWER-DOWN (PD) PD Input Voltage Powered down ≤(+VS − 2.5) V Enabled ≥(+VS − 1.8) V Turn-Off Time 1100 ns Turn-On Time 16 ns PD Pin Bias Current per Amplifier Enabled PD = 5 V −10 +0.7 +10 µA Disabled PD = 0 V −240 −195 −140 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. E | Page 4 of 27 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS 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 TERMINOLOGY THEORY OF OPERATION 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 HIGH PERFORMANCE PRECISION ADC DRIVER HIGH PERFORMANCE ADC DRIVING LAYOUT, GROUNDING, AND BYPASSING OUTLINE DIMENSIONS ORDERING GUIDE