Datasheet LTC6910-1, LTC6910-2, LTC6910-3 (Linear Technology) - 5

制造商Linear Technology
描述Digitally Controlled Programmable Gain Amplifiers in SOT-23
页数 / 页26 / 5 — elecTrical characTerisTics. The. denotes the specifications which apply …
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elecTrical characTerisTics. The. denotes the specifications which apply over the full operating

elecTrical characTerisTics The denotes the specifications which apply over the full operating

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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. C, I SUFFIXES H SUFFIX PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT Specifications for the LTC6910-1, LTC6910-2, LTC6910-3
Total Supply Voltage ● 2.7 10.5 2.7 10.5 V Supply Current VS = 2.7V, VIN = 1.35V ● 2 3 2 3 mA VS = 5V, VIN = 2.5V ● 2.4 3.5 2.4 3.5 mA VS = ±5V, VIN = 0V, Pins 5, 6, 7 = –5V or 5V ● 3 4.5 3 4.5 mA VS = ±5V, VIN = 0V, Pin 5 = 4.5V, ● 3.5 4.9 3.5 4.9 mA Pins 6, 7 = 0.5V (Note 4) Output Voltage Swing LOW (Note 5) VS = 2.7V, RL = 10k to Mid-Supply Point ● 12 30 12 30 mV VS = 2.7V, RL = 500Ω to Mid-Supply Point ● 50 100 50 100 mV VS = 5V, RL = 10k to Mid-Supply Point ● 20 40 20 40 mV VS = 5V, RL = 500Ω to Mid-Supply Point ● 90 160 90 160 mV VS = ±5V, RL = 10k to 0V ● 30 50 30 50 mV VS = ±5V, RL = 500Ω to 0V ● 180 250 180 270 mV Output Voltage Swing HIGH (Note 5) VS = 2.7V, RL = 10k to Mid-Supply Point ● 10 20 10 20 mV VS = 2.7V, RL = 500Ω to Mid-Supply Point ● 50 80 50 85 mV VS = 5V, RL = 10k to Mid-Supply Point ● 10 30 10 30 mV VS = 5V, RL = 500Ω to Mid-Supply Point ● 80 150 80 150 mV VS = ±5V, RL = 10k to 0V ● 20 40 20 40 mV VS = ±5V, RL = 500Ω to 0V ● 180 250 180 250 mV Output Short-Circuit Current (Note 6) VS = 2.7V ±27 ±27 mA VS = ±5V ±35 ±35 mA AGND Open-Circuit Voltage VS = 5V ● 2.45 2.5 2.55 2.45 2.5 2.55 V AGND Rejection (i.e., Common Mode VS = 2.7V, VAGND = 1.1V to Upper AGND Limit ● 55 80 50 80 dB Rejection or CMRR) VS = ±5V, VAGND = –2.5V to 2.5V ● 55 75 50 75 dB Power Supply Rejection Ratio (PSRR) VS = 2.7V to ±5V ● 60 80 60 80 dB Signal Attenuation at Gain = 0 Setting Gain = 0 (Digital Inputs 000), f = 20kHz ● –122 –122 dB Slew Rate VS = 5V, VOUT = 2.8VP-P 12 12 V/µs VS = ±5V, VOUT = 2.8VP-P 16 16 V/µs Digital Input “High” Voltage VS = 2.7V ● 2.43 2.43 V VS = 5V ● 4.5 4.5 V VS = ±5V ● 4.5 4.5 V Digital Input “Low” Voltage VS = 2.7V ● 0.27 0.27 V VS = 5V ● 0.5 0.5 V VS = ±5V ● 0.5 0.5 V Digital Input Leakage Current Magnitude V– ≤ (Digital Input) ≤ V+ 2 2 µA 6910123fb For more information www.linear.com/LTC6910 5 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