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LM221 数据表(PDF) 2 Page - National Semiconductor (TI) |
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LM221 数据表(HTML) 2 Page - National Semiconductor (TI) |
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2 / 10 page  Absolute Maximum Ratings Supply Voltage g 20V Power Dissipation (Note 1) 500 mW Differential Input Voltage (Notes 2 and 3) g 15V Input Voltage (Note 3) g 15V Operating Temperature Range LM321A 0 Cto a70 C Storage Temperature Range b 65 Cto a150 C Lead Temperature (Soldering 10 sec) 300 C ESD rating to be determined Electrical Characteristics (Note 4) LM321A Parameter Conditions LM321A Units Min Typ Max Input Offset Voltage TA 25 C 64k s RSET s 70k 02 04 mV Input Offset Current TA 25 C RSET 70k 03 05 nA RSET 64k 5 nA Input Bias Current TA 25 C RSET 70k 5 15 nA RSET 64k 50 150 nA Input Resistance TA 25 C RSET 70k 2 8 MX RSET 64k 02 MX Supply Current TA 25 C RSET 70k 08 22 mA Input Offset Voltage 64k s RSET s 70k 05 065 mV Input Bias Current RSET 70k 15 25 nA RSET 64k 150 250 nA Input Offset Current RSET 70k 05 1 nA RSET 64k 5 10 nA Input Offset Current Drift RSET 70k 3 pA C Average Temperature RS s 200X 64k s RSET s 70k Coefficient of Input Offset Offset Voltage Nulled Voltage 007 02 m V C Long Term Stability 3 m Vyr Supply Current 1 35 mA Input Voltage Range VS g 15V (Note 5) RSET 70k g 13 V RSET 64k a 7 b13 V Common-Mode Rejection RSET 70k 126 140 dB Ratio RSET 64k 120 130 dB Supply Voltage Rejection RSET 70k 118 126 dB Ratio RSET 64k 114 120 dB Voltage Gain TA 25 C RSET 70k RL l 3MX 12 20 VV Noise RSET 70k RSOURCE 0 8 nV 0Hz Note 1 The maximum junction temperature of the LM321A is 85 C For operating at elevated temperature devices in the H08 package must be derated based on a thermal resistance of 150 CW junction to ambient or 18 CW junction to case Note 2 The inputs are shunted with back-to-back diodes in series with a 500X resistor for overvoltage protection Therefore excessive current will flow if a differential input voltage in excess of 1V is applied between the inputs Note 3 For supply voltages less than g15V the absolute maximum input voltage is equal to the supply voltage Note 4 These specifications apply for g5 s VS s g20V and 55 C s TA s a125 C unless otherwise specified With the LM221A however all temperature specifications are limited to 25 C s TA s a85 C and for the LM321A the specifications apply over a 0 Cto a70 C temperature range Note 5 External precision resistor 01% can be placed from pins 1 and 8 to 7 increase positive common-mode range Note 6 See RETS121X for LM121H883 military specs and RET121AX for LM121AH883 military specs 2 |
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