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AD8237ARMZ-R7 Datasheet(PDF) 4 Page - Analog Devices |
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AD8237ARMZ-R7 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 29 page  Data Sheet AD8237 Rev. 0 | Page 3 of 28 SPECIFICATIONS +VS = +5 V, −VS = 0 V, VREF = 2.5 V, VCM = 2.5 V, TA = 25°C, G = 1 to 1000, RL = 10 kΩ to ground, specifications referred to input, unless otherwise noted. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit COMMON-MODE REJECTION RATIO (CMRR) V CM = 0.1 V to 4.9 V CMRR at DC G = 1, G = 10 106 120 dB G = 100, G = 1000 114 140 dB Over Temperature (G = 1) T A = −40°C to +125°C 104 dB CMRR at 1 kHz 80 dB NOISE Voltage Noise Spectral Density f = 1 kHz 68 nV/√Hz Peak to Peak f = 0.1 Hz to 10 Hz 1.5 µV p-p Current Noise Spectral Density f = 1 kHz 70 fA/√Hz Peak to Peak f = 0.1 Hz to 10 Hz 3 pA p-p VOLTAGE OFFSET Offset 30 75 µV Average Temperature Coefficient T A = −40°C to +125°C 0.3 µV/°C Offset RTI vs. Supply (PSR) 100 dB INPUTS1 Valid for REF and FB pair, as well as +IN and −IN Input Bias Current T A = +25°C 250 650 pA Over Temperature T A = −40°C to +125°C 1 nA Average Temperature Coefficient 0.5 pA/°C Input Offset Current T A = +25°C 250 650 pA Over Temperature T A = −40°C to +125°C 1 nA Average Temperature Coefficient 0.5 pA/°C Input Impedance Differential 100||5 MΩ||pF Common Mode 800||10 MΩ||pF Differential Input Operating Voltage T A = −40°C to +125°C ±3.85 V Input Operating Voltage (+IN, −IN, or REF) T A = +25°C −V S − 0.3 +V S + 0.3 V T A = −40°C to +125°C −V S − 0.2 +V S + 0.2 V DYNAMIC RESPONSE Small Signal Bandwidth −3 dB Low Bandwidth Mode Pin 1 connected to −V S G = 1 200 kHz G = 10 20 kHz G = 100 2 kHz G = 1000 0.2 kHz High Bandwidth Mode Pin 1 connected to +V S G = 10 100 kHz G = 100 10 kHz G = 1000 1 kHz |
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