Datasheet ADA4941-1 (Analog Devices) - 4

Data Sheet ADA4941-1 SPECIFICATIONS
TA = 25°C, VS = 3 V, OUT+ connected to FB (G = 2), RL, dm = 1 kΩ, REF = 1.5 V, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth VO = 0.1 V p-p 21 30 MHz VO = 2.0 V p-p 4.6 6.5 MHz Overdrive Recovery Time +Recover/−recovery 320/650 ns Slew Rate VO = 2 V step 22 V/µs Settling Time 0.005% VO = 2 V p-p step 300 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion fC = 40 kHz, VO = 2 V p-p, HD2/HD3 −116/−112 dBc fC = 100 kHz, VO = 2 V p-p, HD2/HD3 −101/−98 dBc fC = 1 MHz, VO = 2 V p-p, HD2/HD3 −75/−71 dBc RTO Voltage Noise f = 100 kHz 10.2 nV/√Hz Input Current Noise f = 100 kHz 1.6 pA/√Hz DC PERFORMANCE Differential Output Offset Voltage 0.2 0.8 mV Differential Input Offset Voltage Drift 1.0 µV/°C Single-Ended Input Offset Voltage Amp A1 or Amp A2 0.1 0.4 mV Single-Ended Input Offset Voltage Drift 0.3 µV/°C Input Bias Current IN and REF 3 4.5 µA Input Offset Current IN and REF 0.1 µA Gain (+OUT − −OUT)/(IN − REF) 1.98 2.00 2.01 V/V Gain Error −1 +1 % Gain Error Drift 1 5 ppm/°C INPUT CHARACTERISTICS Input Resistance IN and REF 24 MΩ Input Capacitance IN and REF 1.4 pF Input Common-Mode Voltage Range 0.2 1.9 V Common-Mode Rejection Ratio (CMRR) CMRR = VOS, dm/VCM, VREF = VIN, VCM = 0.2 V to 1.9 V, G = 4 81 105 dB OUTPUT CHARACTERISTICS Output Voltage Swing Each single-ended output, G = 4 ±2.90 ±2.95 V Output Current 25 mA Capacitive Load Drive 20% overshoot, VO, dm = 200 mV p-p 20 pF POWER SUPPLY Operating Range 2.7 12 V Quiescent Current 2.2 2.4 mA Quiescent Current—Disable 10 16 µA Power Supply Rejection Ratio (PSRR) +PSRR PSRR = VOS, dm/ΔVS, G = 4 86 100 dB −PSRR 86 110 dB DISABLE DIS Input Voltage Disabled, DIS = high ≥1.5 V Enabled, DIS = low ≤1.0 V DIS Input Current Disabled, DIS = high 5.5 8 µA Enabled, DIS = low 4 6 µA Turn-On Time 0.7 µs Turn-Off Time 30 µs Rev. D | Page 3 of 23 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION DC ERROR CALCULATIONS OUTPUT VOLTAGE NOISE FREQUENCY RESPONSE VS. CLOSED-LOOP GAIN APPLICATIONS INFORMATION OVERVIEW USING THE REF PIN INTERNAL FEEDBACK NETWORK POWER DISSIPATION DISABLE FEATURE ADDING A 3-POLE, SALLEN-KEY FILTER DRIVING THE AD7687 ADC GAIN OF −2 CONFIGURATION OUTLINE DIMENSIONS ORDERING GUIDE