Datasheet AD844 (Analog Devices) - 4

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AD844 Data Sheet AD844J/AD844A AD844B AD844S Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Unit
FREQUENCY RESPONSE Small Signal Bandwidth3, 4 Gain = −1 60 60 60 MHz Gain = −10 33 33 33 MHz TOTAL HARMONIC DISTORTION f = 100 kHz, 0.005 0.005 0.005 % 2 V rms5 SETTLING TIME 10 V Output Step ±15 V supplies Gain = −1, to 0.1%5 100 100 100 ns Gain = −10, to 0.1%6 100 100 100 ns 2 V Output Step ±5 V supplies Gain = −1, to 0.1%5 110 110 110 ns Gain = −10, to 0.1%6 100 100 100 ns OUTPUT SLEW RATE Overdriven 1200 2000 1200 2000 1200 2000 V/μs input FULL POWER BANDWIDTH THD = 3% VOUT = 20 V p-p5 VS = ±15 V 20 20 20 MHz VOUT = 2 V p-p5 VS = ±5 V 20 20 20 MHz OUTPUT CHARACTERISTICS Voltage RL = 500 Ω ±10 ±11 ±10 ±11 ±10 ±11 V Short-Circuit Current 80 80 80 mA TMIN to T MAX 60 60 60 mA Output Resistance Open loop 15 15 15 Ω POWER SUPPLY Operating Range ±4.5 ±18 ±4.5 ±18 ±4.5 ±18 V Quiescent Current 6.5 7.5 6.5 7.5 6.5 7.5 mA TMIN to TMAX 7.5 8.5 7.5 8.5 7.5 8.5 mA 1 Rated performance after a 5 minute warm-up at TA = 25°C. 2 Input signal 285 mV p-p carrier (40 IRE) riding on 0 mV to 642 mV (90 IRE) ramp. RL = 100 Ω; R1, R2 = 300 Ω. 3 For gain = −1, input signal = 0 dBm, CL = 10 pF, RL = 500 Ω, R1 = 500 Ω, and R2 = 500 Ω in Figure 29. 4 For gain = −10, input signal = 0 dBm, CL =10 pF, RL = 500 Ω, R1 = 500 Ω, and R2 = 50 Ω in Figure 29. 5 CL = 10 pF, RL = 500 Ω, R1 = 1 kΩ, R2 = 1 kΩ in Figure 29. 6 CL = 10 pF, RL = 500 Ω, R1 = 500 Ω, R2 = 50 Ω in Figure 29. Rev. G | Page 4 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAMS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS METALLIZATION PHOTOGRAPH ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS INVERTING GAIN-OF-1 AC CHARACTERISTICS INVERTING GAIN-OF-10 AC CHARACTERISTICS INVERTING GAIN-OF-10 PULSE RESPONSE NONINVERTING GAIN-OF-10 AC CHARACTERISTICS UNDERSTANDING THE AD844 OPEN-LOOP BEHAVIOR RESPONSE AS AN INVERTING AMPLIFIER RESPONSE AS AN I-V CONVERTER CIRCUIT DESCRIPTION OF THE AD844 RESPONSE AS A NONINVERTING AMPLIFIER NONINVERTING GAIN OF 100 USING THE AD844 BOARD LAYOUT INPUT IMPEDANCE DRIVING LARGE CAPACITIVE LOADS SETTLING TIME DC ERROR CALCULATION NOISE VIDEO CABLE DRIVER USING ±5 V SUPPLIES HIGH SPEED DAC BUFFER 20 MHZ VARIABLE GAIN AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE