OP179/OP279–SPECIFICATIONS ELECTRICAL SPECIFICATIONS (@ VS = 5.0 V, VCM = 2.5 V, –40 ⴗ C ≤ TA ≤ +85 ⴗ C unless otherwise noted.) ParameterSymbolConditionsMinTypMaxUnit INPUT CHARACTERISTICS Offset Voltage OP179 VOS VOUT = 2.5 V ±5 mV OP279 VOS VOUT = 2.5 V ±4 mV Input Bias Current IB VOUT = 2.5 V, TA = 25°C ±300 nA VOUT = 2.5 V ±700 nA Input Offset Current IOS VOUT = 2.5 V, TA = 25°C ±50 nA VOUT = 2.5 V ±100 nA Input Voltage Range VCM 0 5 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 5 V 56 66 dB Large Signal Voltage Gain AVO RL = 1 kΩ, 0.3 V ≤ VOUT ≤ 4.7 V 20 V/mV Offset Voltage Drift ∆VOS/∆T 4 µV/°C OUTPUT CHARACTERISTICS Output Voltage High VOH IL = 10 mA Source +4.8 V Output Voltage Low VOL IL = 10 mA Sink, TA = 25°C 75 mV IL = 10 mA Sink 100 mV Short-Circuit Limit ISC TA = 25°C ±40 mA Output Impedance ZOUT f = 1 MHz, AV = 1 22 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 4.5 V to 12 V 70 88 dB Supply Current/Amplifier ISY VOUT = 2.5 V 3.5 mA Supply Voltage Range VS +4.5 +12 V DYNAMIC PERFORMANCE Slew Rate SR RL = 1 kΩ, 1 nF 3 V/µs Gain Bandwidth Product GBP 5 MHz Phase Margin φm 60 Degrees Capacitive Load Drive No Oscillation 10 nF AUDIO PERFORMANCE Total Harmonic Distortion THD 0.01 % Voltage Noise Density en f = 1 kHz 22 nV/√Hz ELECTRICAL SPECIFICATIONS (@ VS = ⴞ 5.0 V, –40 ⴗ C ≤ TA ≤ +85 ⴗ C unless otherwise noted.) ParameterSymbolConditionsMinTypMaxUnit INPUT CHARACTERISTICS Offset Voltage OP179 VOS VOUT = 0 ±5 mV OP279 VOS VOUT = 0 ±4 mV Input Bias Current IB TA = 25°C ±300 nA ±700 nA Input Offset Current IOS TA = 25°C ±50 nA ±100 nA Input Voltage Range VCM –5 +5 V Common-Mode Rejection Ratio CMRR VCM = –5 V to +5 V 56 66 dB Large Signal Voltage Gain AVO RL = 1 kΩ, –4.7 V ≤ VOUT ≤ 4.7 V 20 V/mV Offset Voltage Drift ∆VOS/∆T 3 µV/°C OUTPUT CHARACTERISTICS Output Voltage High VOH IL = 10 mA Source +4.8 V Output Voltage Low VOL IL = 10 mA Sink –4.85 V Short Circuit Limit ISC TA = 25°C ±50 mA Open-Loop Output Impedance ZOUT f = 1 MHz, AV = +1 22 Ω POWER SUPPLY Supply Current/Amplifier ISY VS = ± 6 V, VOUT = 0 V 3.75 mA DYNAMIC PERFORMANCE Slew Rate SR RL = 1 kΩ, 1 nF 3 V/µs Full-Power Bandwidth BWp 1% Distortion kHz Gain Bandwidth Product GBP 5 MHz Phase Margin φm 69 Degrees NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 2 µV p-p Voltage Noise Density en f = 1 kHz 22 nV/√Hz Current Noise Density in 1 pA/√Hz Specifications subject to change without notice. –2– REV. G