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LTC1657 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1657 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  3 LTC1655/LTC1655L ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V (LTC1655), VCC = 2.7V to 5.5V (LTC1655L); VOUT unloaded, REF unloaded, unless otherwise noted. Op Amp DC Performance Short-Circuit Current Low VOUT Shorted to GND LTC1655 q 70 120 mA LTC1655L q 70 140 mA Short-Circuit Current High VOUT Shorted to VCC LTC1655 q 80 140 mA LTC1655L q 70 150 mA Output Impedance to GND Input Code = 0 LTC1655 q 40 120 Ω LTC1655L q 70 160 Ω Output Line Regulation Input Code = 65535, with Internal Reference ±3 mV/V AC Performance Voltage Output Slew Rate (Note 4) q ±0.3 ±0.7 V/ µs Voltage Output Settling Time (Note 4) to 0.0015% (16-Bit Settling Time), VCC = 5V 20 µs (Note 4) to 0.012% (13-Bit Settling Time), VCC = 5V 10 µs Digital Feedthrough (Note 5) 0.3 nV -s Midscale Glitch Impulse DAC Switched Between 8000H and 7FFFH 12 nV-s Output Voltage Noise LTC1655, At 1kHz 280 nV √Hz Spectral Density LTC1655L, At 1kHz 220 nV √Hz Reference Output Reference Output Voltage LTC1655 q 2.036 2.048 2.060 V LTC1655L q 1.240 1.250 1.260 V Reference Input Range (Notes 6, 7) LTC1655 2.2 VCC/2 V LTC1655L 1.3 VCC/2 V Reference Output Tempco LTC1655 5 ppm/ °C LTC1655L 10 ppm/ °C Reference Input Resistance LTC1655, REF Overdriven to 2.2V q 8.5 13 k Ω LTC1655L, REF Overdriven to 1.3V q 7.0 13 k Ω Reference Short-Circuit Current q 40 100 mA Reference Output Line Regulation ±1.5 mV/V Reference Load Regulation IOUT = 100µA q 5 mV/A Reference Output Voltage Noise LTC1655, At 1kHz 150 nV √Hz Spectral Density LTC1655L, At 1kHz 115 nV √Hz Digital I/O VIH Digital Input High Voltage LTC1655 q 2.4 V LTC1655L q 2.0 V VIL Digital Input Low Voltage LTC1655 q 0.8 V LTC1655L q 0.6 V VOH Digital Output High Voltage LTC1655, IOUT = – 1mA q VCC – 1.0 V LTC1655L, IOUT = – 1mA q VCC – 0.7 V VOL Digital Output Low Voltage LTC1655, IOUT = 1mA q 0.4 V LTC1655L, IOUT = 1mA q 0.4 V SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS |
Similar Part No. - LTC1657 |
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Similar Description - LTC1657 |
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