Datasheet LT1722, LT1723, LT1724 (Analog Devices) - 8

LT1722/LT1723/LT1724
TYPICAL PERFORMANCE CHARACTERISTICS Input Common Mode Range Input Bias Current Supply Current vs Temperature vs Supply Voltage vs Common Mode Voltage
5.0 0.5 400 PER AMPLIFIER V V+ S = ±5V 300 4.5 –0.5 –1.0 200 TA = 85°C VS = 5V 4.0 –1.5 TA = 25°C V 100 S = ±5V –1.2 T T A = –45°C A = 25°C 3.5 0 Y CURRENT (mA) TA = 125°C (VOS) < 500μV –100 3.0 2.0 SUPPL 1.5 INPUT BIAS CURRENT (nA) –200 2.5 INPUT COMMON MODE RANGE (V) 1.0 –300 0.5 2.0 V– –400 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 –5 –4 –3 –2 –1 0 1 2 3 4 5 TEMPERATURE (°C) SUPPLY VOLTAGE (±V) INPUT COMMON MODE VOLTAGE (V) 1723 G01 1723 G02 1723 G03
Input Bias Current Open-Loop Gain vs Temperature Input Noise Spectral Density vs Resistive Load
60 100 10 89.0 TA = 25°C INPUT CURRENT NOISE (pA/√ 40 ) Hz 86.5 VS = ±5V, VO = ±3V 20 84.0 VS = 5V I – i B n 0 10 1 81.5 VS = ±2.5V, VO = ±1V I + B –20 en 79.0 I – B OPEN-LOOP GAIN (dB) INPUT BIAS CURRENT (nA) Hz I + B –40 INPUT VOLTAGE NOISE (nV/√ ) 76.5 VS = ±5V –60 1 0.1 74.0 –50 –25 0 25 50 75 100 125 0.01 0.1 1 10 100 100 1000 10000 TEMPERATURE (°C) FREQUENCY (kHz) LOAD RESISTANCE (Ω) 1723 G04 1723 G05 1723 G06
Total Noise vs Unmatched Source Resistance Warm-Up Drift vs Time VOS Shift vs VCM and VS
100 30 300 VS = ±5V LT1722S8 V TA = 25°C T S = ±6.3V A = 25°C TA = 25°C TYPICAL PART ) f = 10kHz Hz 25 TYPICAL DATA 200 VS = ±6V TOTAL NOISE VS = ±5V 10 20 100 VS = ±5V RESISTOR NOISE VS = ±4V 15 0 VS = ±2.5V SHIFT (μV) VS = ±3V OS 1 10 V–100 VS = ±2.5V RS + OFFSET VOLTAGE DRIFT (μV) TOTAL NOISE VOLTAGE (nV/√ 5 –200 – 0.1 0 –300 0.01 0.1 1 10 100 0 10 20 30 40 50 60 70 80 90 100 –5 –4 –3 –2 –1 0 1 2 3 4 5 SOURCE RESISTANCE, RS (kΩ) TIME AFTER POWER-UP (SEC) COMMON MODE VOLTAGE (V) 1723 G07 1723 G08 1723 G09 172234fb 8