Datasheet LTC2058 (Analog Devices) - 7

LTC2058
TYPICAL PERFORMANCE CHARACTERISTICS Input Bias Current vs Input Input Bias Current vs Input Input Bias Current vs Common Mode Voltage Common Mode Voltage Supply Voltage
100 100 100 AVERAGE OF 6 TYPICAL CHANNELS AVERAGE OF 6 TYPICAL CHANNELS AVERAGE OF 6 TYPICAL CHANNELS 80 VS = 5V 80 VS = 30V 80 VCM = VS/2 TA=25°C T 60 A=25°C 60 TA = 25°C 60 40 40 40 20 20 20 0 (pA) 0 (pA) 0 (pA) I B I B I B –20 –20 –20 –40 –40 –40 –60 –60 –60 –80 –80 IB(+IN) –80 IB(–IN) –100 –100 –100 –1 0 1 2 3 4 5 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 40 VCM (V) VCM (V) VS (V) 2058 G10 2058 G11 2058 G12
DC to 10Hz Voltage Noise DC to 10Hz Voltage Noise Input Voltage Noise Spectrum
/DIV) /DIV) 100 VS = ±2.5V VS = ±15V VS = ±2.5V...±15V ) AV=+1 Hz /√ Y (nV TAGE NOISE (100nV TAGE NOISE (100nV 10 -REFERRED INPUT -REFERRED VOL TAGE NOISE DENSIT 1s/DIV 2058 G13 2058 G14 INPUT–REFERRED VOL 1s/DIV INPUT VOL 10.1 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) 2058 G15
Common Mode Rejection Ratio Power Supply Rejection Ratio Input Current Noise Spectrum vs Frequency vs Frequency
10 120 140 CEXT = 0 pF VS = 30V VS = 30V ) T VCM= VS/2 V A = 25°C 120 CM = VS /2 Hz 100 PSRR+ 100 PSRR– Y (pA/√ 80 80 1 60 60 CMRR (dB) PSRR (dB) INPUT–REFERRED 40 40 CURRENT NOISE DENSIT 20 V 20 S= ±15V VS= ±2.5V 0.1 0 0 0.1 1 10 100 1k 10k 100k 100 1k 10k 100k 1M 10M 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 2058 G16 2058 G17 2058 G18 Rev 0 For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Typical Application Related Parts