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M.S.KENNEDY CORP. 130 FEATURES: Wide Supply Voltage Range 15V to 400V Fast Slew Rate - 300 V/μS Typ. FET Input - Accurate DC Specifications Electrically Isolated Case Low Cost Innovative Packaging Very Low Quiescent Current - 6mA Typ. Output Current to ±200mA Adjustable Current Limit EQUIVALENT SCHEMATIC Output Comp2 Comp1 Isense +Vcc -Input +Input No Connection No Connection -Vcc PIN-OUT INFORMATION Ultra-High Voltage Supplies FET Input Instrumentation Amplifiers Electrostatic Deflection Electrostatic Transducers Piezo Transducer Excitation TYPICAL APPLICATIONS The MSK130 is a high speed, high voltage differential amplifier designed for output currents up to ±200mA. Since the MSK130 utilizes external compensation, it exhibits wide bandwidth and greater stability over a wide gain range. High frequency, high voltage instrumentation circuits and electrostatic transducers are just a sample of the applications that the MSK130 is well suited for. The device is packaged in a 10 pin insulated ceramic SIP with holes for direct heat sink attachment. DESCRIPTION: ULTRA HIGH VOLTAGE HIGH SPEED DIFFERENTIAL OP-AMP MIL-PRF-38534 AND 38535 CERTIFIED FACILITY 8548-125 Rev. D 6/14
Input Offset Voltage Drift Input Bias Current Input Offset Current Input Impedance Input Capacitance Power Supply Rejection Ratio Common Mode Rejection Ratio Common Mode Range Input Noise Voltage OUTPUT Output Voltage Swing Output Current Output Resistance TRANSFER CHARACTERISTICS Slew Rate Limit Open Loop Voltage Gain Settling Time to 0.1% ELECTRICAL SPECIFICATIONS Parameter Units V mA mV μV/°C pA pA Ω pF μV/V dB V μVrms V mA Ω V/μS dB μS Test Conditions MSK130 Supply Voltage (Total) Output Current Differential Input Voltage Common Mode Input Voltage Thermal Resistance Junction to Case @ 125°C (Output Devices) 400V ±300mA ±25V ±Vcc 21°C/W T ST TLD TJ TC Storage Temperature Range Lead Temperature Range (10 Seconds) Junction Temperature Case Operating Temperature Range (MSK130) VCC IOUT VIND VINCM RTH CC=±100V, TC=25°C, RC=100Ω, CC=68pF unless otherwise specified. Devices shall be capable of meeting the parameter, but need not be tested. Typical parameters are representative of actual device performance but are for reference only. Maximum supply voltage should be derated 0.625V/°C below 25°C case temperature. Internal solder reflow temperature is 180°C, do not exceed. Total +VCC to -VCC VIN=0V VIN=0V VIN=0V VCM=0V Either Input VCM=0V F=DC Either Input Δ VCC=±15V F=DC VCM=±50V Linear Operation F=100KHz IOUT=±50mA Within SOA f≤10KHz, No Load AV=100v/v CC=0pF F=15Hz CC=0pF RL=1KΩ 2V step CC=10pF -65°C to +150°C 220°C 150°C -55°C to +125°C Min. CC-15 ±91.5 ±200 Typ. ±0.5 ±10 ±10 4.0 ±10 CC-13 1.5 ±95 ±250 300 110 Max. 400 ±2.0 ±50 ±200 ±20 NOTES: 2 8548-125 Rev. D 6/14
The output stage of the MSK130 is fabricated using state of the art complimentary MOSFETs and is free from secondary breakdown limitations. There are two distinct limitations for the output stage: 1. The internal wire bonds and the geometry of the MOSFET have a maximum peak current capability of ±300mA. 2. The junction temperature of each MOSFET should be kept below the maximum rating of 150°C. The SOA Curves below illustrate various conditions of power dissipation. CURRENT LIMIT The MSK130 has an internal active current limit circuit that can be programmed with a single external resistor Rsc. The value of this resistor should be kept between 2 Ω and 150 Ω. The following equation is used to select the resistor for a given cur- rent limit value: Rsc = 0.6/I LIMIT (See Typical Connection Diagram) INPUT PROTECTION The MSK130 can safely handle up to ±25V of differential input voltages. In applications where this may be violated, ex- ternal protection is required. Four diodes can be used as shown in the typical connection diagram. If leakage current is of con- cern, use JFETs connected as diodes instead. JFETs will also yield very low capacitance for high speed applications. STABILITY AND COMPENSATION Since the MSK130 is externally compensated the bandwidth can be optimized for any gain selection. The external compensa- tion components should be located as close to the compensa- tion pins as possible to avoid unwanted oscillations. The ca- pacitor Cc should be rated for the full supply voltage. Use a high quality dielectric such as NPO to maintain a desired compensa- tion over the full operating temperature. Refer to the typical per- formance curves for a guide to select the desired compensation. Refer to the typical connection diagram for the location of the Rc and Cc components. POWER SUPPLIES Both the negative and positive power supplies must be effec- tively decoupled with a high and low frequency bypass circuit to avoid power supply induced oscillation. An effective decoupling scheme consists of a 0.1 microfarad ceramic capaci- tor in parallel with a 4.7 microfarad tantalum capacitor for each power supply pin to ground. All power supply decoupling ca- pacitors should be placed as close to the package power supply pins as possible (pins 5 and 6). TYPICAL CONNECTION DIAGRAM 3 8548-125 Rev. D 6/14
TYPICAL PERFORMANCE CURVES 4 8548-125 Rev. D 6/14
ORDERING INFORMATION
TORQUE SPECIFICATION 3-5 IN./LBS. TEFLON SCREWS OR WASHERS ARE RECOMMENDED. ALL DIMENSIONS ARE SPECIFIED IN INCHES 8548-125 Rev. D 6/14
The information contained herein is believed to be accurate at the time of printing. MSK reserves the right to make changes to its products or specifications without notice, however, and assumes no liability for the use of its products. Please visit our website for the most recent revision of this datasheet. M.S. Kennedy Corp. Phone (315) 701-6751 FAX (315) 701-6752 www.mskennedy.com 8548-125 Rev. D 6/146