Datasheet ADA4938-1/ADA4938-2 (Analog Devices) - 4

ADA4938-1/ADA4938-2 Data Sheet VOCM to ±OUT Performance Table 2. Parameter Conditions Min Typ Max Unit
VOCM DYNAMIC PERFORMANCE −3 dB Bandwidth 230 MHz Slew Rate VIN = −3.4 V to +3.4 V, 25% to 75% 1700 V/µs Input Voltage Noise (RTI) 7.5 nV/√Hz VOCM INPUT CHARACTERISTICS Input Voltage Range −VS + 1.3 to +VS − 1.3 V Input Resistance 10 kΩ Input Offset Voltage VOS, cm = VOUT, cm; VDIN+ = VDIN− = 0 V 3 mV Input Bias Current 0.5 µA VOCM CMRR ∆VOUT, dm/∆VOCM; ∆VOCM = ±1 V −81 dB Gain ∆VOUT, cm/∆VOCM; ∆VOCM = ±1 V 0.95 1.00 1.05 V/V POWER SUPPLY Operating Range 4.5 11 V Quiescent Current Per amplifier 37 40 mA TMIN to TMAX variation 40 µA/°C Powered down 2.0 3.0 mA Power Supply Rejection Ratio ∆VOUT, dm/∆VS; ∆VS = ±1 V −80 dB POWER DOWN (PD) PD Input Voltage Powered down ≤2.5 V Enabled ≥3 V Turn-Off Time 1 µs Turn-On Time 200 ns PD Bias Current Enabled PD = 5 V 1 µA Disabled PD = −5 V −760 µA OPERATING TEMPERATURE RANGE −40 +85 °C Rev. B | Page 4 of 26 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS REVISION HISTORY SPECIFICATIONS DUAL-SUPPLY OPERATION ±DIN to ±OUT Performance VOCM to ±OUT Performance SINGLE-SUPPLY 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 CIRCUTS TERMINOLOGY THEORY OF OPERATION ANALYZING AN APPLICATION CIRCUIT SETTING THE CLOSED-LOOP GAIN ESTIMATING THE OUTPUT NOISE VOLTAGE THE IMPACT OF MISMATCHES IN THE FEEDBACK NETWORKS CALCULATING THE INPUT IMPEDANCE OF AN APPLICATION CIRCUIT INPUT COMMON-MODE VOLTAGE RANGE IN SINGLE-SUPPLY APPLICATIONS TERMINATING A SINGLE-ENDED INPUT SETTING THE OUTPUT COMMON-MODE VOLTAGE LAYOUT, GROUNDING, AND BYPASSING HIGH PERFORMANCE ADC DRIVING OUTLINE DIMENSIONS ORDERING GUIDE