Datasheet ADA4870 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | High Speed, High Voltage, 1 A Output Drive Amplifier |
| Pages / Page | 24 / 4 — ADA4870. Data Sheet. Parameter. Test Conditions/Comments. Min. Typ. Max. … |
| File Format / Size | PDF / 668 Kb |
| Document Language | English |
ADA4870. Data Sheet. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit. ±5 V SUPPLY. Table 2. Parameter
Model Line for this Datasheet
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ADA4870 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
POWER SUPPLY Operating Range 10 40 V Quiescent Current SD = VEE + 5 V, ON = VEE 32.5 33 mA SD = VEE, ON = not applicable 0.75 1 mA SD = VEE + 5 V, ON = VEE + 5 V 5.1 5.8 mA Positive Power Supply Rejection Ratio 67 69 dB Negative Power Supply Rejection Ratio 62 64 dB
±5 V SUPPLY
TCASE = 25°C, AV = −5, RF = 1.21 kΩ, RG = 243 Ω, CL = 300 pF, RS = 5 Ω, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth VOUT = 2 V p-p 52 MHz Settling Time to 0.1% VOUT = 2 V step 55 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion, HD2/HD3 f = 30 MHz, VOUT = 2 V p-p, AV = −10 −42/−38 dBc f = 1 MHz, VOUT = 2 V p-p, AV = −10 −90/−88 dBc f = 0.1 MHz, VOUT = 2 V p-p, AV = −10 −101/−107 dBc f = 1 MHz, VOUT = 2 V p-p, RL = 25 Ω, AV = −10 −70/−66 dBc f = 0.1 MHz, VOUT = 2 V p-p, RL = 25 Ω, AV = −10 −85/−86 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 −4 +5 mV Input Offset Voltage Drift 14 µV/°C Input Bias Current Noninverting Input 13 23 µA Inverting Input −5 −18 µA Input Bias Current Drift, Inverting Input 10 nA/°C Open-Loop Transresistance 1.9 MΩ INPUT CHARACTERISTICS Input Resistance INP 2 MΩ Input Capacitance INP 0.75 pF Input Common-Mode Voltage Range (VICM) ±3.0 V Common-Mode Rejection Ratio VICM = ±0.5 V, ±3.0 V 57 59 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) −65 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 Rev. 0 | Page 4 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
POWER SUPPLY Operating Range 10 40 V Quiescent Current SD = VEE + 5 V, ON = VEE 32.5 33 mA SD = VEE, ON = not applicable 0.75 1 mA SD = VEE + 5 V, ON = VEE + 5 V 5.1 5.8 mA Positive Power Supply Rejection Ratio 67 69 dB Negative Power Supply Rejection Ratio 62 64 dB
±5 V SUPPLY
TCASE = 25°C, AV = −5, RF = 1.21 kΩ, RG = 243 Ω, CL = 300 pF, RS = 5 Ω, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Bandwidth VOUT = 2 V p-p 52 MHz Settling Time to 0.1% VOUT = 2 V step 55 ns NOISE/DISTORTION PERFORMANCE Harmonic Distortion, HD2/HD3 f = 30 MHz, VOUT = 2 V p-p, AV = −10 −42/−38 dBc f = 1 MHz, VOUT = 2 V p-p, AV = −10 −90/−88 dBc f = 0.1 MHz, VOUT = 2 V p-p, AV = −10 −101/−107 dBc f = 1 MHz, VOUT = 2 V p-p, RL = 25 Ω, AV = −10 −70/−66 dBc f = 0.1 MHz, VOUT = 2 V p-p, RL = 25 Ω, AV = −10 −85/−86 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 −4 +5 mV Input Offset Voltage Drift 14 µV/°C Input Bias Current Noninverting Input 13 23 µA Inverting Input −5 −18 µA Input Bias Current Drift, Inverting Input 10 nA/°C Open-Loop Transresistance 1.9 MΩ INPUT CHARACTERISTICS Input Resistance INP 2 MΩ Input Capacitance INP 0.75 pF Input Common-Mode Voltage Range (VICM) ±3.0 V Common-Mode Rejection Ratio VICM = ±0.5 V, ±3.0 V 57 59 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) −65 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 Rev. 0 | Page 4 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
