Datasheet AD8655, AD8656 (Analog Devices) - 4

AD8655/AD8656 Data Sheet
VS = 2.7 V, VCM = VS/2, TA = 25°C, unless otherwise specified.
Table 2. Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS VCM = 0 V to 2.7 V 44 250 µV −40°C ≤ TA ≤ +125°C 550 µV Offset Voltage Drift ΔVOS/ΔT −40°C ≤ TA ≤ +125°C 0.4 2.0 µV/°C Input Bias Current IB 1 10 pA −40°C ≤ TA ≤ +125°C 500 pA Input Offset Current IOS 10 pA −40°C ≤ TA ≤ +125°C 500 pA Input Voltage Range 0 2.7 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.7 V 80 98 dB Large Signal Voltage Gain AVO VO = 0.2 V to 2.5 V, RL = 10 kΩ, VCM = 0 V 98 dB −40°C ≤ TA ≤ +125°C 90 dB OUTPUT CHARACTERISTICS Output Voltage High VOH IL = 1 mA; −40°C ≤ TA ≤ +125°C 2.67 2.688 V Output Voltage Low VOL IL = 1 mA; −40°C ≤ TA ≤ +125°C 10 30 mV Output Current IOUT VOUT = ±0.5 V ±75 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 2.7 V to 5.0 V 88 105 dB Supply Current/Amplifier ISY VO = 0 V 3.7 4.5 mA −40°C ≤ TA ≤ +125°C 5.3 mA INPUT CAPACITANCE CIN Differential 9.3 pF Common-Mode 16.7 pF NOISE PERFORMANCE Input Voltage Noise Density en f = 1 kHz 4.0 nV/√Hz f = 10 kHz 2.7 nV/√Hz Total Harmonic Distortion + Noise THD + N G = 1, RL = 1kΩ, f = 1 kHz, VIN = 2 V p-p 0.0007 % FREQUENCY RESPONSE Gain Bandwidth Product GBP 27 MHz Slew Rate SR RL = 10 kΩ 8.5 V/µs Settling Time ts To 0.1%, VIN = 0 to 1 V step, G = +1 370 ns Phase Margin CL = 0 pF 54 degrees Rev. E | Page 4 of 20 Document Outline Features Applications Pin Configurations General Description Table of Contents Revision History Specifications Absolute Maximum Ratings ESD Caution Typical Performance Characteristics Theory of Operation Applications Information Input Overvoltage Protection Input Capacitance Driving Capacitive Loads THD Readings vs. Common-Mode Voltage Layout, Grounding, and Bypassing Considerations Power Supply Bypassing Grounding Leakage Currents Outline Dimensions Ordering Guide Automotive Products