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ISO-9001 CERTIFIED BY DSCC
M.S.KENNEDY CORP.
4707 Dey Road Liverpool, N.Y. 13088
ULTRA HIGH VOLTAGE HIGH SPEED DIFFERENTIAL OP-AMP
130
(315) 701-6751
FEATURES:
Wide Supply Voltage Range 15V to 400V Fast Slew Rate - 300 V/S 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
DESCRIPTION:
The MSK 130 is a high speed, high voltage differential amplifier designed for output currents up to 200mA. Since the MSK 130 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 MSK 130 is well suited for. The device is packaged in a 10 pin insulated ceramic SIP with holes for direct heat sink attachment.
EQUIVALENT SCHEMATIC
TYPICAL APPLICATIONS
Ultra-High Voltage Supplies FET Input Instrumentation Amplifiers Electrostatic Deflection Electrostatic Transducers Piezo Transducer Excitation
1
PIN-OUT INFORMATION
1 2 3 4 5 -Input +Input No Connection No Connection -Vcc 10 9 8 7 6 Output Comp2 Comp1 Isense +Vcc
Rev. C 8/02
ABSOLUTE MAXIMUM RATINGS
VCC IOUT VIND VINCM RTH Supply Voltage (Total) Output Current Differential Input Voltage Common Mode Input Voltage Thermal Resistance Junction to Case @ 125C (Output Devices)

ELECTRICAL SPECIFICATIONS
Parameter STATIC Supply Voltage Range 2 4 Quiescent Current INPUT Input Offset Voltage Input Offset Voltage Drift 2 Input Bias Current 2 Input Offset Current 2 Input Impedance Input Capacitance Power Supply Rejection Ratio 2 Common Mode Rejection Ratio 2 Common Mode Range 2 Input Noise Voltage OUTPUT Output Voltage Swing Output Current 2 Output Resistance TRANSFER CHARACTERISTICS Slew Rate Limit Open Loop Voltage Gain 2 Settling Time to 0.1% AV=100v/v CC=0pF F=15Hz CC=0pF RL=1K 2V step CC=10pF 95 300 110 1 V/S dB S IOUT=50mA Within SOA f10KHz, No Load 91.5 200 95 250 50 V mA VIN=0V VIN=0V VCM=0V Either Input VCM=0V F=DC Either Input VCC=15V F=DC VCM=50V Linear Operation F=100KHz 80 VCC-15 0.5 10 10 10 10
11
Test Conditions 1
MSK 130 Min. 20 Typ. 3 6 Max. 400 8 2.0 50 200 50 20 Units V mA mV V/C pA pA pF V/V dB V Vrms
Total +VCC to -VCC VIN=0V
4.0 10 90 VCC-13 1.5
NOTES:
1 2 3 4 VCC=100V, TC=25C, RC=100, 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 25C case temperature.
2
Rev. C 8/02

TJ TC

400V 300mA 25V Vcc 21C/W

TST TLD
Storage Temperature Range -65C to +150C Lead Temperature Range 220C (10 Seconds) Junction Temperature 150C Case Operating Temperature Range (MSK130) -55C to +125C

APPLICATION NOTES SAFE OPERATING AREA
The output stage of the MSK 130 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 150C. The SOA Curves below illustrate various conditions of power dissipation.
CURRENT LIMIT
The MSK 130 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 and 150. The following equation is used to select the resistor for a given current limit value: Rsc = 0.6/ILIMIT (See Typical Connection Diagram)
TYPICAL CONNECTION DIAGRAM
STABILITY AND COMPENSATION
Since the MSK 130 is externally compensated the bandwidth can be optimized for any gain selection. The external compensation components should be located as close to the compensation pins as possible to avoid unwanted oscillations. The capacitor Cc should be rated for the full supply voltage. Use a high quality dielectric such as NPO to maintain a desired compensation over the full operating temperature. Refer to the typical performance curves for a guide to select the desired compensation. Refer to the typical connection diagram for the location of the Rc and Cc components.
INPUT PROTECTION
The MSK 130 can safely handle up to 25V of differential input voltages. In applications where this may be violated, external protection is required. Four diodes can be used as shown in the typical connection diagram. If leakage current is of concern, use JFETs connected as diodes instead. JFETs will also yield very low capacitance for high speed applications.
POWER SUPPLIES
Both the negative and positive power supplies must be effectively 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 capacitor in parallel with a 4.7 microfarad tantalum capacitor for each power supply pin to ground. All power supply decoupling capacitors should be placed as close to the package power supply pins as possible (pins 5 and 6).
3
Rev. C 8/02
TYPICAL PERFORMANCE CURVES
4
Rev. C 8/02
MECHANICAL SPECIFICATIONS
TORQUE SPECIFICATION 3-5 IN./LBS. TEFLON SCREWS OR WASHERS ARE RECOMMENDED. ALL DIMENSIONS ARE 0.010 INCHES UNLESS OTHERWISE LABELED
ORDERING INFORMATION
Part Number MSK130 Screening Level Industrial
4707 Dey Road, Liverpool, New York 13088 Phone (315) 701-6751 FAX (315) 701-6752 www.mskennedy.com
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.
5
Rev. C 8/02

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