Datasheet AD8538, AD8539 (Analog Devices) - 6

AD8538/AD8539 Data Sheet
@ VS = 2.7 V, VCM = 1.35 V, VO = 1.35 V, TA = 25°C, unless otherwise specified.
Table 4. Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS 5 16 µV −40°C ≤ TA ≤ +125°C 30 µV Input Bias Current IB 15 25 pA −40°C ≤ TA ≤ +85°C 35 125 pA −40°C ≤ TA ≤ +125°C 0.7 1.0 nA Input Offset Current IOS 20 50 pA −40°C ≤ TA ≤ +125°C 300 pA Input Voltage Range 0 2.7 V −40°C ≤ TA ≤ +125°C 0.2 2.5 Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.7 V 110 130 dB −40°C ≤ TA ≤ +125°C, VCM = 0.2 V to 2.5 V 100 125 dB Large Signal Voltage Gain AVO RL = 10 kΩ, VO = 0.1 V to 2.6 V 110 130 dB −40°C ≤ TA ≤ +125°C 105 125 dB Offset Voltage Drift ∆VOS/∆T −40°C ≤ TA ≤ +125°C 0.03 0.1 µV/°C OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 100 kΩ to ground 2.68 2.693 V −40°C ≤ TA ≤ +125°C, RL = 100 kΩ to ground 2.68 V RL = 10 kΩ to ground 2.67 2.68 V −40°C ≤ TA ≤ +125°C, RL = 10 kΩ to ground 2.66 V Output Voltage Low VOL RL = 100 kΩ to V+ 5 7 mV −40°C ≤ TA ≤ +125°C, RL = 100 kΩ to V+ 6 8 mV RL = 10 kΩ to V+ 14 20 mV −40°C ≤ TA ≤ +125°C, RL = 10 kΩ to V+ 20 25 mV Short-Circuit Limit ISC ±8 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 2.7 V to 5.5 V 105 125 dB −40°C ≤ TA ≤ +125°C 100 125 dB Supply Current/Amplifier ISY IO = 0 210 µA −40°C ≤ TA ≤ +125°C 225 µA DYNAMIC PERFORMANCE Slew Rate SR RL = 10 kΩ 0.35 V/µs Settling Time 0.01% tS G = ±1, 1 V step, CL = 20 pF, RL = ∞ 8 μs Overload Recovery Time 0.05 ms Gain Bandwidth Product GBP 430 kHz Phase Margin ØM RL = 10 kΩ, RL = 100 kΩ, CL = 20 pF 65 Degrees NOISE PERFORMANCE Voltage Noise en p-p f = 0.1 Hz to 10 Hz 2.0 µV p-p Voltage Noise Density en f = 1 kHz 55 nV/√Hz Rev. B | Page 6 of 24 Document Outline Features Applications General Description Pin Configurations Revision History Specifications AD8538 Electrical Specifications AD8539 Electrical Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics AD8538 Characteristics AD8539 Characteristics Outline Dimensions Ordering Guide Automotive Products