Datasheet LTC6910-1, LTC6910-2, LTC6910-3 (Linear Technology) - 9

LTC6910-1/ LTC6910-2/LTC6910-3
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VS = 5V, AGND = 2.5V, Gain = 1 (Digital Inputs 001), RL = 10k to mid-supply point, unless otherwise noted. LTC6910-2C/LTC6910-2I LTC6910-2H PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT Specifications for LTC6910-2 Only
DC Small-Signal Output Resistance Gain = 0 0.4 0.4 Ω Gain = 1 0.7 0.7 Ω Gain = 2 1 1 Ω Gain = 4 1.6 1.6 Ω Gain = 8 2.8 2.8 Ω Gain = 16 5 5 Ω Gain = 32 10 10 Ω Gain = 64 20 20 Ω Gain-Bandwidth Product Gain = 64, fIN = 200kHz 9 13 16 9 13 16 MHz l 7 13 19 7 13 19 MHz Wideband Noise (Referred to Input) f = 1kHz to 200kHz Gain = 0 Output Noise 3.8 3.8 µVRMS Gain = 1 10.7 10.7 µVRMS Gain = 2 7.3 7.3 µVRMS Gain = 4 5.3 5.3 µVRMS Gain = 8 4.6 4.6 µVRMS Gain = 16 4.2 4.2 µVRMS Gain = 32 4 4 µVRMS Gain = 64 3.6 3.6 µVRMS Voltage Noise Density (Referred to Input) f = 50kHz Gain = 1 24 24 nV/√Hz Gain = 2 16 16 nV/√Hz Gain = 4 12 12 nV/√Hz Gain = 8 10.3 10.3 nV/√Hz Gain = 16 9.4 9.4 nV/√Hz Gain = 32 9 9 nV/√Hz Gain = 64 8.1 8.1 nV/√Hz Total Harmonic Distortion Gain = 8, fIN = 10kHz, VOUT = 1VRMS –90 –90 dB 0.003 0.003 % Gain = 8, fIN = 100kHz, VOUT = 1VRMS –77 –77 dB 0.014 0.014 % AGND (Common Mode) Input Voltage Range VS = 2.7V l 0.85 1.55 0.85 1.55 V (Note 10) VS = 5V l 0.7 3.6 0.7 3.6 V VS = ±5V l –4.3 3.4 –4.3 3.4 V 6910123fb For more information www.linear.com/LTC6910 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Gain Settings and Properties Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts