PA194GN

PA194·PA194A RoHS Power Operational Amplifier COMPLIANT FEATURES • • • • High Voltage – 900V High Speed – 2100V/µs slew rate Low Noise – 5nV/√Hz @ 10 kHz (typical) Low Standby Mode Current – 4mA APPLICATIONS • • • Test Equipment Sonar Systems Industrial Instrumentation DESCRIPTION PA194 is a precision power amplifier that can provide a high-voltage, high-speed signal at a very low noise. It is ideal for applications where high speed analog precision is paramount for the operation of the system. Offered in an 8-pin Power SIP package, the device can handle up to 30W of continuous power dissipation. Figure 1: Equivalent Schematic +VS 2*I Q9 CC 0.5*I 0.5*I 0.5*I Q6 +IN Q1A R1 0.5mA Q1B ICL R8 Q2 R4 OUT Q3 -IN Q7 R3 R2 2*I Q8 +6.2V ϭ͘ϱDё Q4 + - I R6 R5 Q5 MODE -VS www.apexanalog.com 6*R6 R7 © Apex Microtechnology Inc. All rights reserved Feb 2020 PA194U Rev C PA194·PA194A TYPICAL CONNECTION Figure 2: Typical Connection RF +VS 0.1μF 0.01μF C1 RIN - CC +VS + AC C2 IN D1 CC PA194 D2 MODE + -VS 2 -VS ILIM OUT VOUT RLIM S1 FOR STANDBY MODE 0.1μF 0.01μF C1 C2 PA194U Rev C PA194·PA194A PINOUT AND DESCRIPTION TABLE Figure 3: External Connections 1 2 7 -IN +IN CC 9 10 MODE -V S 12 13 ILIM OUT 15 +V S Pin Number Name Description 1 2 7 9 10 -IN +IN CC MODE -VS 12 ILIM 13 15 3, 4, 5, 6, 8, 11, 14 OUT +VS Inverting input Non-inverting input Compensation capacitor connection to ground MODE = -VS -> Standby Mode, MODE = OPEN -> Normal Operation. Negative supply rail Connect to the current limit resistor. Output current flows into/out of this pin through RLIM. The output pin and the load are connected to the other side of RLIM. Output. Connect this pin to load and to the feedback resistors. Positive supply rail NC No Connection/No Pin PA194U Rev C 3 PA194·PA194A SPECIFICATIONS Unless otherwise noted: TC = 25°C, CC = open, AV = -100 V/V, MODE is open. DC input specifications are ± value given. Power supply voltage is + 300V. ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage, total Output Current, peak, within SOA Power Dissipation, internal, DC Input Voltage, differential Temperature, pin solder, 10s max. Temperature, junction 1 Temperature Range, storage Operating Temperature Range, case Symbol +Vs to -Vs IOUT PD VIN (Diff) TJ TC Min -20 -55 -40 Max Units 900 200 30 20 260 150 +125 +85 V mA W V °C °C °C °C 1. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation to achieve high MTTF. 4 PA194U Rev C PA194·PA194A INPUT Parameter Test Conditions PA194 Min Offset Voltage, initial Offset Voltage vs. Temperature 0°C to 85°C Typ Max PA194A Min Typ Max 0.5 5 * 10 Offset Voltage vs. Time 75 Bias Current, initial 1 15 Bias Current vs. Supply 4 Offset Current, initial 8 Input Resistance, DC 10 Input Capacitance VS= ±450V -VS+40 Common Mode Rejection, DC VCM = ±90V 92 Noise Density * 15 * 400 10 kHz BW, RIN = 100 Ω RIN = 100 Ω, F = 10 kHz * 11 +VS–40 4 µV/V µV/kh * pA pA/V * pA * Ω * pF * * * 460 * * 200 mV µV/°C * 25 Common Mode Voltage Range2 Integrated Noise * 25 Offset Voltage vs. Supply * Units V dB * * nV RMS nV/Hz 1. Doubles for every 10°C of case temperature increase. 2. Although supply voltages can range up to ±450V the input pins cannot swing over this range. The input pins must be at least 40 V from either supply rail but not more than 450V from negative supply rail, -VS. However, the inputs can be 860V from the positive supply rail, +VS. PA194U Rev C 5 PA194·PA194A GAIN Parameter Test Conditions PA194 Min Typ 96 110 Open Loop Gain @ 15 Hz RL = 5 kΩ Gain Bandwidth Product @ 1 MHz RL = 5 kΩ 140 Power Bandwidth RL = 5 kΩ 800 Phase Margin, AV=100 V/V Full temp range 30 PA194A Max Min * Typ Max * Units dB * MHz * kHz * ° OUTPUT Parameter Voltage Swing1 Voltage Swing 1 Test Conditions PA194 Min Typ Max PA194A Min Typ Max Units IOUT =70mA,DC +VS-12 +VS-25 * * V IOUT = 70mA,DC -VS+22 -VS+25 * * V Current, continuous, DC * 100 Slew Rate, AV = -100 V/V 2 2100 Settling Time to 0.1% 2V step Output Resistance No load, DC, Closed loop 1 100 1800 mA * V/µs * µs * Ω 1. Please refer to Output Voltage Drop vs Frequency Plot 2. Ground heat tab for higher slew rate 6 PA194U Rev C PA194·PA194A POWER SUPPLY Parameter Test Conditions PA194 Min Voltage ±50 Current, quiescent (normal operation) 20 Current, quiescent (standby mode) Typ 25 PA194A Max Min ±450 * 30 Max * * * Units V * mA * 4 Mode = -VS Typ mA THERMAL PA194 PA194A Parameter Test Conditions Resistance, AC, junction to case1 Full temp range, F≥60Hz 3 * °C/W Resistance, DC, junction to case Full temp range, F