LT1211/LT1212 WUTYPICAL PERFOR A CE CHCARA TERISTICSOpen-Loop Voltage GainPositive Output Saturationvs Supply VoltageOpen-Loop Gain, VS = 5VVoltage vs Temperature 6k 1.4 R V L = 2k S = 5V (V) 5k RL = 2k 1.2 OUT ISOURCE = 20mA DIV – V 4k T + A = –55°C 1.0 µV/ I R SOURCE = 10mA L = 500Ω 3k TA = 25°C 0.8 INPUT, 5 ISOURCE = 1mA 2k TA = 125°C 0.6 ISOURCE = 10µA 0 1 2 3 4 1k 0.4 OPEN-LOOP VOLTAGE GAIN (V/mV) OUTPUT (V) SATURATION VOLTAGE, V 1211/12 G17 0 0.2 0 4 8 12 16 20 24 28 32 36 –50 –25 0 25 50 75 100 125 TOTAL SUPPLY VOLTAGE (V) TEMPERATURE (°C) 1211/12 G16 1211/12 G18 Negative Output SaturationVoltage Gain vs Load ResistanceOpen-Loop Gain, VS = ± 15VVoltage vs Temperature 10k 1000 I TA = 25°C SINK = 20mA RL = 2k (mV)– I DIV – V SINK = 10mA V 1k S = ±15V 100 µV/ OUT VS = 5V ISINK = 1mA INPUT, 5 RL = 500Ω 100 10 ISINK = 10µA –10 0 10 OPEN-LOOP VOLTAGE GAIN (V/mV) OUTPUT (V) SATURATION VOLTAGE, V V 1211/12 G20 S = 5V 10 1 10 100 1k 10k –50 –25 0 25 50 75 100 125 LOAD RESISTANCE (Ω) TEMPERATURE (°C) 1211/12 G21 1211/12 G19 Output Short-Circuit CurrentChannel Separation vs Frequencyvs TemperatureOutput Impedance vs Frequency 140 60 1000 VS = ±15V V 130 S = ±15V TA = 25°C 120 V ) 100 50 S = 5V 110 Ω SOURCING VS = ±15V 100 SOURCING 10 AV = 100 90 OR SINKING 40 80 1 AV = 10 70 60 30 OUTPUT IMPEDANCE ( CHANNEL SEPARATION (dB) 0.1 50 AV = 1 40 OUTPUT SHORT-CIRCUIT CURRENT (mA) 30 20 0.01 10k 100k 1M 10M –50 –25 0 25 50 75 100 125 10k 100k 1M 10M FREQUENCY (Hz) CASE TEMPERATURE (°C) FREQUENCY (Hz) 1211/12 G22 1211/12 G23 1211/12 G24 10