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LTC1650 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1650 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 12 page  3 LTC1650 The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AVDD = 4.75V to 5.25V, AVSS = – 4.75V to – 5.25V, DVDD = 4.75V to 5.25V, REFLO = 0V, REFHI = 4.096V, VOUT unloaded, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply Characteristics AVDD Positive Supply Voltage q 4.75 5.0 5.25 V DVDD Positive Supply Voltage q 4.75 5.0 5.25 V AVSS Negative Supply Voltage q – 4.75 – 5.0 – 5.25 V IAVDD AVDD Supply Current 4.75V ≤ AVDD ≤ 5.25V (Note 5) q 5 7.5 mA IAVSS AVSS Supply Current – 5.25V ≤ AVSS ≤ –4.75V (Note 5) q – 7.5 – 5 mA IDVDD DVDD Supply Current 4.75V ≤ DVDD ≤ 5.25V (Note 5) q 0.1 0.25 mA PSRR AVDD, DVDD Supply Rejection 4.75V ≤ AVDD, DVDD ≤ 5.25V q 0.5 1.5 LSB/V AVSS Supply Rejection – 5.25V ≤ AVSS ≤ –4.75V q 0.5 1.5 LSB/V Reference Input RIN Reference Input Resistance q 2.5 5 7.5 k Ω REFHI Range q – 4.0 4.0 4.5 V REFLO Range q – 1.0 0 1.0 V Op Amp DC Performance Short-Circuit Current Low VOUT Shorted to GND q 25 50 mA Short-Circuit Current High VOUT Shorted to VCC q 25 50 mA Output Impedance Measured at Midscale 0.15 Ω DAC Output Range Unipolar Mode (Note 9) 0V to VREF V Bipolar Mode (Note 9) ±VREF V AC Performance Voltage Output Slew Rate q 0.8 2.0 V/ µs Voltage Output Settling Time Unloaded (Note 4) 4 µs Midscale Glitch Impulse 1.8 nV-s Digital Feedthrough 0.05 nV-s Output Noise Voltage Density 1kHz to 100kHz (Note 6) 30 nV/ √Hz SINAD Signal-to-Noise + Distortion Ratio REFHI = 1kHz 4VP-P 96 dB ELECTRICAL CHARACTERISTICS |
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