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Description
The PGA202 is a monolithic instrumentation amplifier with digitally controlled gains of 1, 10, 100, and 1000. The PGA203 provides gains of 1, 2, 4, and 8. Both have TTL or CMOS-compatible inputs for easy microprocessor interface. Both have FET inputs and a new transconductance circuitry that keeps the bandwidth nearly constant with gain. Gain and offsets are laser trimmed to allow use without any external components. Both amplifiers are available in ceramic or plastic packages. The ceramic package is specified over the full industrial temperature range while the plastic package covers the commercial range.
Title
Digitally Controlled (Decade model gains 1,10,100,1000) Programmable-Gain Instrumentation Amp
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q LOW BIAS CURRENT: 50pA max q FAST SETTLING: 0.01% q LOW NON-LINEARITY: 0.012% max q HIGH CMRR: 80dB min q NEW TRANSCONDUCTANCE CIRCUITRY q LOW COST
APPLICATIONSq DATA ACQUISITION SYSTEMS q AUTO-RANGING CIRCUITS q DYNAMIC RANGE EXPANSION q REMOTE INSTRUMENTATION q TEST EQUIPMENT
DESCRIPTIONThe is a monolithic instrumentation amplifier with digitally controlled gains 10, 100, and 1000. The PGA203 provides gains 2, 4, and 8. Both have TTL or CMOS-compatible inputs for easy microprocessor interface. Both have FET inputs and a new transconductance circuitry that keeps the bandwidth nearly constant with gain. Gain and offsets are laser trimmed to allow use without any external components. Both amplifiers are available in ceramic or plastic packages. The ceramic package is specified over the full industrial temperature range while the plastic package covers the commercial range.
International Airport Industrial Park Mailing Address: PO Box 11400 Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd. Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111 Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
SPECIFICATIONSRATED OUTPUT Voltage Over Specified Temperature Current Impedance ANALOG INPUTS Common-Mode Range Absolute Max Voltage(3) Impedance, Differential
Common-Mode OFFSET VOLTAGE (RTI) Initial Offset at 25°C(4)INPUT NOISE Noise Voltage to 10Hz Noise Density 10kHz (5) OUTPUT NOISE Noise Voltage to 10Hz Density 1kHz (5) DYNAMIC RESPONSE Frequency Response
DIGITAL INPUTS Digital Common Range Input Low Threshold (6) Input Low Current Input High Voltage Input High Current POWER SUPPLY Rated Voltage Range Quiescent Current TEMPERATURE RANGE Specification Operating Storage JA
NOTES: (1) All specifications apply to both the PGA202 and the PGA203. Values given for a gain of 10 are the same for a gain of 8 and other values may be interpolated. (2) Measured with a 10k load. (3) The analog inputs are internally diode clamped. (4) Adjustable to zero. (5) VNOISE (RTI) = (VN INPUT)2 + (VN OUTPUT/Gain)2. (6) Threshold voltages are referenced to Digital Common. (7) From input change or gain change.
DIP 14 Digital Common 13 VCC 12 V OUT 11 VOUT Sense 10 Filter B 9 VOS Adjust 8 +VINSupply Voltage : ±18V Internal Power Dissipation : 750mW Analog and Digital Inputs : ±(VCC + 0.5V) Operating Temperature Range:
G Package +125°C P Package to +100°C Lead Temperature (soldering, : 300°C Output Short Circuit Duration : Continuous Junction Temperature : 175°C
NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix D of Burr-Brown IC Data Book.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
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PGA202KP
PGA202KP has several brands around the world that may have alternate names for PGA202KP due to regional differences or acquisition. PGA202KP may also be known as the following names:
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