Datasheet AD8250 (Analog Devices) - 4

Data Sheet AD8250 SPECIFICATIONS
+VS = 15 V, −VS = −15 V, VREF = 0 V @ TA = 25°C, G = 1, RL = 2 kΩ, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR) CMRR to 60 Hz with 1 kΩ Source Imbalance +IN = −IN = −10 V to +10 V G = 1 80 98 dB G = 2 86 104 dB G = 5 94 110 dB G = 10 98 110 dB CMRR to 50 kHz +IN = −IN = −10 V to +10 V G = 1 80 dB G = 2 86 dB G = 5 90 dB G = 10 90 dB NOISE Voltage Noise, 1 kHz, RTI G = 1 40 nV/√Hz G = 2 27 nV/√Hz G = 5 21 nV/√Hz G = 10 18 nV/√Hz 0.1 Hz to 10 Hz, RTI G = 1 2.5 μV p-p G = 2 2.5 μV p-p G = 5 1.5 μV p-p G = 10 1.0 μV p-p Current Noise, 1 kHz 5 pA/√Hz Current Noise, 0.1 Hz to 10 Hz 60 pA p-p VOLTAGE OFFSET Offset RTI VOS G = 1, 2, 5, 10 ±(70 + 200/G) ±(200 + 600/G) μV Over Temperature T = −40°C to +85°C ±(90 + 300/G) ±(260 + 900/G) μV Average Temperature Coefficient T = −40°C to +85°C ±(0.6 + 1.5/G) ±(1.2 + 5/G) μV/°C Offset Referred to the Input vs. Supply (PSR) VS = ±5 V to ±15 V ±(2 + 7/G) ±(6 + 20/G) μV/V INPUT CURRENT Input Bias Current 5 30 nA Over Temperature T = −40°C to +85°C 40 nA Average Temperature Coefficient T = −40°C to +85°C 400 pA/°C Input Offset Current 5 30 nA Over Temperature T = −40°C to +85°C 30 nA Average Temperature Coefficient T = −40°C to +85°C 160 pA/°C DYNAMIC RESPONSE Small Signal −3 dB Bandwidth G = 1 10 MHz G = 2 10 MHz G = 5 10 MHz G = 10 3 MHz Settling Time 0.01% ΔOUT = 10 V step G = 1 585 ns G = 2 605 ns G = 5 605 ns G = 10 648 ns Rev. C | Page 3 of 24 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Diagram Absolute Maximum Ratings Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Gain Selection Transparent Gain Mode Latched Gain Mode Timing for Latched Gain Mode Power Supply Regulation and Bypassing Input Bias Current Return Path Input Protection Reference Terminal Common-Mode Input Voltage Range Layout Grounding Coupling Noise Common-Mode Rejection RF Interference Driving an ADC Applications Differential Output Setting Gains with a Microcontroller Data Acquisition Outline Dimensions Ordering Guide