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AD8422ARMZ-R7 Fiches technique(PDF) 6 Page - Analog Devices |
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AD8422ARMZ-R7 Fiches technique(HTML) 6 Page - Analog Devices |
6 / 25 page Data Sheet AD8422 Parameter Test Conditions/ Comments AD8422ARZ AD8422BRZ Unit Min Typ Max Min Typ Max POWER SUPPLY Operating Range Dual-supply operation ±2.3 ±18 ±2.3 ±18 V Single-supply operation 4.6 36 4.6 36 V Quiescent Current 300 330 300 330 µA Over Temperature T = −40°C to +85°C 400 400 µA TEMPERATURE RANGE Specified Performance –40 +85 –40 +85 °C Operating Range6 –40 +125 –40 +125 °C 1 Total RTI noise = √eNI2 + (eNO/G)2 2 Total RTI VOS = (VOSI) + (VOSO/G). 3 Gain does not include the effects of the external resistor, RG. 4 One input grounded. G = 1. 5 Output current limited at cold temperatures. See Figure 33. 6 See Typical Performance Characteristics for expected operation between 85°C and 125°C. MSOP PACKAGE VS = ±15 V, VREF = 0 V, V+IN = 0 V, V−IN = 0 V, TA = 25°C, G = 1, RL = 2 kΩ, unless otherwise noted. Table 2. Parameter Test Conditions/ Comments AD8422ARMZ AD8422BRMZ Unit Min Typ Max Min Typ Max COMMON-MODE REJECTION RATIO CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = −10 V to +10 V G = 1 86 90 dB G = 10 106 110 dB G = 100 126 130 dB G = 1000 146 150 dB Over Temperature, G = 1 T = −40°C to +85°C 83 86 CMRR at 10 kHz VCM = −10 V to +10 V G = 1 80 80 dB G = 10 90 95 dB G = 100 100 100 dB G = 1000 100 100 dB NOISE1 Voltage Noise, 1 kHz Input Voltage Noise, eNI VIN+, VIN−, VREF = 0 V 8 8 nV/√Hz Output Voltage Noise, eNO 80 80 nV/√Hz Peak to Peak, RTI f = 0.1 Hz to 10 Hz G = 1 2 2 µV p-p G = 10 0.5 0.5 µV p-p G = 100 to 1000 0.15 0.15 µV p-p Current Noise f = 1 kHz 90 90 110 fA/√Hz f = 0.1 Hz to 10 Hz 8 8 pA p-p VOLTAGE OFFSET2 Input Offset, VOSI VS = ±2.3 V to ±15 V 70 50 µV Over Temperature T = −40°C to +85°C 110 75 µV Average Temperature Coefficient 0.6 0.4 µV/°C Output Offset, VOSO VS = ±2.3 V to ±15 V 300 150 µV Over Temperature T = −40°C to +85°C 500 300 µV Average Temperature Coefficient 5 2 µV/°C Rev. A | Page 5 of 24 |
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