Datasheet ADA4896-2, ADA4897-1, ADA4897-2 (Analog Devices) - 6

ADA4896-2/ADA4897-1/ADA4897-2 Data Sheet +3 V SUPPLY
TA = 25°C, G = +1, RL = 1 kΩ to midsupply, unless otherwise noted.
Table 5. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth G = +1, VOUT = 0.02 V p-p 230 MHz G = −1, VOUT = 1 V p-p 45 MHz G = +2, VOUT = 0.02 V p-p 90 MHz Bandwidth for 0.1 dB Flatness G = +2, VOUT = 2 V p-p, RL = 100 Ω 7 MHz Slew Rate G = +2, VOUT = 1 V step 85 V/μs Settling Time to 0.1% G = +2, VOUT = 2 V step 45 ns Settling Time to 0.01% G = +2, VOUT = 2 V step 96 ns NOISE/HARMONIC PERFORMANCE Harmonic Distortion (SFDR) fC = 100 kHz, VOUT = 2 V p-p, G = +2 −105 dBc fC = 1 MHz, VOUT = 1 V p-p, G = −1 −84 dBc fC = 2 MHz, VOUT = 1 V p-p, G = −1 −77 dBc fC = 5 MHz, VOUT = 1 V p-p, G = −1 −60 dBc Input Voltage Noise f = 10 Hz 2.3 nV/√Hz f = 100 kHz 1 nV/√Hz Input Current Noise f = 10 Hz 11 pA/√Hz f = 100 kHz 2.8 pA/√Hz 0.1 Hz to 10 Hz Noise G = +101, RF = 1 kΩ, RG = 10 Ω 99 nV p-p DC PERFORMANCE Input Offset Voltage −500 −30 +500 μV Input Offset Voltage Drift 0.2 μV/°C Input Bias Current −17 −11 −4 μA Input Bias Current Drift 3 nA/°C Input Bias Offset Current −0.6 −0.02 +0.6 μA Open-Loop Gain VOUT = 0.5 V to 2.5 V 95 108 dB INPUT CHARACTERISTICS Input Resistance Common-Mode 10 MΩ Differential 10 kΩ Input Capacitance Common-Mode 3 pF Differential 11 pF Input Common-Mode Voltage Range 0.1 to 2.1 V Common-Mode Rejection Ratio VCM = 1.1 V to 1.9 V −90 −124 dB (CMRR) OUTPUT CHARACTERISTICS Output Overdrive Recovery Time VIN = 0 V to 3 V, G = +2 83 ns Output Voltage Swing Positive RL = 1 kΩ 2.85 2.97 V RL = 100 Ω 2.8 2.92 V Negative RL = 1 kΩ 0.15 0.01 V RL = 100 Ω 0.2 0.05 V Output Current SFDR = −45 dBc 60 mA Short-Circuit Current Sinking/sourcing 120 mA Capacitive Load Drive 30% overshoot, G = +2 39 pF POWER SUPPLY Operating Range 3 to 10 V Quiescent Current per Amplifier 2.5 2.7 2.9 mA DISABLE = 0 V 0.035 0.15 mA Rev. B | Page 6 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM 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 THEORY OF OPERATION AMPLIFIER DESCRIPTION INPUT PROTECTION DISABLE OPERATION DC ERRORS BIAS CURRENT CANCELLATION NOISE CONSIDERATIONS CAPACITANCE DRIVE APPLICATIONS INFORMATION TYPICAL PERFORMANCE VALUES LOW NOISE, GAIN SELECTABLE AMPLIFIER MEDICAL ULTRASOUND APPLICATIONS Overview of the Ultrasound System ADA4896-2/ADA4897-1/ADA4897-2 in the Ultrasound System LAYOUT CONSIDERATIONS Ground Plane Power Supply Bypassing OUTLINE DIMENSIONS ORDERING GUIDE