LT1794 ELECTRICAL CHARACTERISTICSThe ● denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25 ° C.VCM = 0V, pulse tested, ± 5V ≤ VS ≤ ± 15V, VSHDNREF = 0V, RBIAS = 24.9k between V + and SHDN unless otherwise noted. (Note 3)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS CIN Input Capacitance 3 pF Input Voltage Range (Positive) (Note 5) ● V+ – 2 V+ – 1 V Input Voltage Range (Negative) (Note 5) ● V– + 1 V– + 2 V CMRR Common Mode Rejection Ratio VCM = (V+ – 2V) to (V– + 2V) 74 83 dB ● 66 dB PSRR Power Supply Rejection Ratio VS = ±4V to ±15V 74 88 dB ● 66 dB AVOL Large-Signal Voltage Gain VS = ±15V, VOUT = ±13V, RL = 100Ω 70 82 dB ● 64 dB VS = ±12V, VOUT = ±10V, RL = 40Ω 63 76 dB ● 57 dB VS = ±5V, VOUT = ±3V, RL = 25Ω 60 70 dB ● 54 dB VOUT Output Swing VS = ±15V, RL = 100Ω 13.8 14.0 ±V ● 13.6 ±V VS = ±15V, IL = 250mA 13.6 13.9 ±V ● 13.4 ±V VS = ±12V, RL = 100Ω 10.9 11.1 ±V ● 10.7 ±V VS = ±12V, IL = 250mA 10.6 10.9 ±V ● 10.4 ±V VS = ±5V, RL = 25Ω 3.7 4.0 ±V ● 3.5 ±V VS = ±5V, IL = 250mA 3.6 3.9 ±V ● 3.4 ±V IOUT Maximum Output Current VS = ±15V, RL = 1Ω 500 720 mA IS Supply Current per Amplifier VS = ±15V, RBIAS = 24.9k (Note 6) 10 13 18 mA ● 8 20 mA VS = ±12V, RBIAS = 24.9k (Note 6) 8.0 10 13.5 mA ● 6.7 15.0 mA VS = ±12V, RBIAS = 32.4k (Note 6) 8 mA VS = ±12V, RBIAS = 43.2k (Note 6) 6 mA VS = ±12V, RBIAS = 66.5k (Note 6) 4 mA VS = ±5V, RBIAS = 24.9k (Note 6) 2.2 3.4 5.0 mA ● 1.8 5.8 mA Supply Current in Shutdown VSHDN = 0.4V 0.1 1 mA Output Leakage in Shutdown VSHDN = 0.4V 0.3 1 mA Channel Separation VS = ±12V, VOUT = ±10V, RL = 40Ω 80 110 dB ● 77 dB SR Slew Rate VS = ±15V, AV = – 10, (Note 7) 300 600 V/µs VS = ±5V, AV = –10, (Note 7) 100 200 V/µs HD2 Differential 2nd Harmonic Distortion VS = ±12V, AV = 10, 2VP-P, RL = 50Ω, 1MHz –85 dBc HD3 Differential 3rd Harmonic Distortion VS = ±12V, AV = 10, 2VP-P, RL = 50Ω, 1MHz – 82 dBc GBW Gain Bandwidth f = 1MHz 200 MHz 3
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