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LTC2053 数据表(PDF) 3 Page - Linear Technology |
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LTC2053 数据表(HTML) 3 Page - Linear Technology |
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3 / 18 page  LTC2053/LTC2053-SYNC 2053syncfc elecTrical characTerisTics PARAMETER CONDITIONS MIN TYP MAX UNITS Gain Error AV = 1 l 0.001 0.01 % Gain Nonlinearity AV = 1, LTC2053 AV = 1, LTC2053-SYNC l l 3 3 12 15 ppm ppm Input Offset Voltage (Note 2) VCM = 200mV –5 ±10 µV Average Input Offset Drift (Note 2) TA = –40°C to 85°C TA = 85°C to 125°C l l –1 ±50 –2.5 nV/°C µV/°C Average Input Bias Current (Note 3) VCM = 1.2V l 4 10 nA Average Input Offset Current (Note 3) VCM = 1.2V l 1 3 nA Input Noise Voltage DC to 10Hz 2.5 µVP-P Common Mode Rejection Ratio (Notes 4, 5) AV = 1, VCM = 0V to 3V, LTC2053C, LTC2053C-SYNC AV = 1, VCM = 0.1V to 2.9V, LTC2053I, LTC2053I-SYNC AV = 1, VCM = 0V to 3V, LTC2053I, LTC2053I-SYNC AV = 1, VCM = 0.1V to 2.9V, LTC2053H AV = 1, VCM = 0V to 3V, LTC2053H l l l l l 100 100 95 100 85 113 113 113 dB dB dB dB dB Power Supply Rejection Ratio (Note 6) VS = 2.7V to 6V l 110 116 dB Output Voltage Swing High RL = 2k to V– RL = 10k to V– l l 2.85 2.95 2.94 2.98 V V Output Voltage Swing Low l 20 mV Supply Current No Load l 0.75 1 mA Supply Current, Shutdown VEN ≥ 2.5V, LTC2053 Only 10 µA EN/CLK Pin Input Low Voltage, VIL 0.5 V EN/CLK Pin Input High Voltage, VIH 2.5 V EN/CLK Pin Input Current VEN/CLK = V– –0.5 –10 µA Internal Op Amp Gain Bandwidth 200 kHz Slew Rate 0.2 V/µs Internal Sampling Frequency 3 kHz The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 3V, V– = 0V, REF = 200mV. Output voltage swing is referenced to V–. All other specifications reference the OUT pin to the REF pin. The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V– = 0V, REF = 200mV. Output voltage swing is referenced to V–. All other specifications reference the OUT pin to the REF pin. PARAMETER CONDITIONS MIN TYP MAX UNITS Gain Error AV = 1 l 0.001 0.01 % Gain Nonlinearity AV = 1 l 3 10 ppm Input Offset Voltage (Note 2) VCM = 200mV –5 ±10 µV Average Input Offset Drift (Note 2) TA = –40°C to 85°C TA = 85°C to 125°C l l –1 ±50 –2.5 nV/°C µV/°C Average Input Bias Current (Note 3) VCM = 1.2V l 4 10 nA Average Input Offset Current (Note 3) VCM = 1.2V l 1 3 nA Common Mode Rejection Ratio (Notes 4, 5) AV = 1, VCM = 0V to 5V, LTC2053C AV = 1, VCM = 0V to 5V, LTC2053C-SYNC AV = 1, VCM = 0.1V to 4.9V, LTC2053I AV = 1, VCM = 0.1V to 4.9V, LTC2053I-SYNC AV = 1, VCM = 0V to 5V, LTC2053I, LTC2053I-SYNC AV = 1, VCM = 0.1V to 4.9V, LTC2053H AV = 1, VCM = 0V to 5V, LTC2053H l l l l l l l 105 100 105 100 95 100 85 116 116 116 116 116 dB dB dB dB dB dB dB Power Supply Rejection Ratio (Note 6) VS = 2.7V to 6V l 110 116 dB |
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