Datasheet ADA4937-1/ADA4937-2 (Analog Devices) - 4

ADA4937-1/ADA4937-2 Data Sheet VOCM to ±OUT Performance Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
VOCM DYNAMIC PERFORMANCE −3 dB Bandwidth 440 MHz Slew Rate VIN = 1.5 V to 3.5 V; 25% to 75% 1150 V/µs Input Voltage Noise (RTI) f = 100 kHz 7.5 nV/√Hz VOCM INPUT CHARACTERISTICS Input Voltage Range 1.2 3.8 V Input Resistance 8 10 12 kΩ Input Offset Voltage VOS, cm = VOUT, cm; VDIN+ = VDIN− = +VS/2 2 7.1 mV Input Bias Current 0.5 µA VOCM CMRR ΔVOUT, dm/ΔVOCM; ΔVOCM = ±1 V −70 −75 dB Gain ΔVOUT, cm/ΔVOCM; ΔVOCM = ±1 V 0.97 0.98 1.00 V/V POWER SUPPLY Operating Range 3.0 5.25 V Quiescent Current per Amplifier Enabled 38.0 39.5 42.0 mA TMIN to TMAX variation 17 µA/°C Powered down 0.02 0.3 0.5 mA Power Supply Rejection Ratio ΔVOUT, dm/ΔVS; ΔVS = 1 V −70 −90 dB POWER-DOWN (PD) PD Input Voltage Powered down ≤1 V Enabled ≥2 V Turn-Off Time 1 µs Turn-On Time 200 ns PD Bias Current per Amplifier Enabled PD = 5 V 10 30 50 µA Powered Down PD = 0 V −300 −200 −150 µA OPERATING TEMPERATURE RANGE −40 +105 °C Rev. F | Page 4 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS REVISION HISTORY SPECIFICATIONS 5 V OPERATION ±DIN to ±OUT Performance VOCM to ±OUT Performance 3.3 V OPERATION ±DIN to ±OUT Performance VOCM to ±OUT 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 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 IN SINGLE-SUPPLY APPLICATIONS SETTING THE OUTPUT COMMON-MODE VOLTAGE POWER-DOWN OPERATION LAYOUT, GROUNDING, AND BYPASSING HIGH PERFORMANCE ADC DRIVING 3.3 V OPERATION OUTLINE DIMENSIONS ORDERING GUIDE