Datasheet ADA4870 (Analog Devices) - 3

制造商Analog Devices
描述High Speed, High Voltage, 1 A Output Drive Amplifier
页数 / 页24 / 3 — Data Sheet. ADA4870. SPECIFICATIONS ±20 V SUPPLY. Table 1. Parameter. …
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Data Sheet. ADA4870. SPECIFICATIONS ±20 V SUPPLY. Table 1. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit

Data Sheet ADA4870 SPECIFICATIONS ±20 V SUPPLY Table 1 Parameter Test Conditions/Comments Min Typ Max Unit

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Data Sheet ADA4870 SPECIFICATIONS ±20 V SUPPLY
TCASE = 25°C, AV = −5, RF = 1.21 kΩ, RG = 243 Ω, CL = 300 pF, RS = 5 Ω, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth VOUT = 2 V p-p 60 MHz VOUT = 2 V p-p, AV = +2 70 MHz VOUT = 20 V p-p 52 MHz Slew Rate (Peak) VOUT = 30 V step, AV = +2 2500 V/µs Settling Time to 0.1% VOUT = 10 V step 82 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion, HD2/HD3 f = 30 MHz, VOUT = 20 V p-p, AV = −10 −40/−39 dBc f = 1 MHz, VOUT = 20 V p-p, AV = −10 −91/−74 dBc f = 0.1 MHz, VOUT = 20 V p-p, AV = −10 −95/−96 dBc f = 1 MHz, VOUT = 20 V p-p, RL = 25 Ω, AV = −10 −70/−77 dBc f = 0.1 MHz, VOUT = 20 V p-p, RL = 25 Ω, AV = −10 −79/−99 dBc Input Voltage Noise Density f = 100 kHz 2.1 nV/√Hz Input Current Noise Density f = 100 kHz INP 4.2 pA/√Hz INN 47 pA/√Hz DC PERFORMANCE Input Offset Voltage −15 −1 +10 mV Input Offset Voltage Drift 4 µV/°C Input Bias Current Noninverting Input 9 23 µA Inverting Input −12 −25 µA Input Bias Current Drift, Inverting Input 24 nA/°C Open-Loop Transresistance 2.5 MΩ INPUT CHARACTERISTICS Input Resistance INP 2 MΩ Input Capacitance INP 0.75 pF Input Common-Mode Voltage Range (VICM) ±18 V Common-Mode Rejection Ratio VICM = ±2 V, ±18 V 58 60 dB SD PIN (SHUTDOWN) Input Voltages High (enabled) VEE + 1.1 VEE + 5 V Low (power-down) VEE VEE + 0.9 V Input Bias Current Enabled (SD = VEE + 5 V) 110 µA Power down SD = VEE) −50 µA ON PIN (RESET AND SHORT-CIRCUIT PROTECTION) Input Voltages High (power-down) VEE + 1.8 VEE + 5 V Low (enabled) VEE VEE + 1.3 V Input Bias Current Enabled (ON = VEE) −75 µA Power down (ON = VEE + 5 V) 100 µA OUTPUT CHARACTERISTICS Output Voltage Range RG = 1.2 kΩ, RL = open ±18.6 V RG = 1.2 kΩ, RL = 50 Ω ±18 V Output Current Drive 1 A Short-Circuit Protection Current Limit ON = floating 1.2 A Rev. 0 | Page 3 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications ±20 V Supply ±5 V Supply Absolute Maximum Ratings Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information , Initial Power-Up, and Short-Circuit Thermal Protection Shutdown () Feedback Resistor Selection Capacitive Load Driving Heat and Thermal Management Power Dissipation Safe Operating Area Printed Circuit Board (PCB) Thermal Modeling Heat Sink Selection Power Supplies and Decoupling Composite Amplifier Outline Dimensions Ordering Guide