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AD8244BRMZ Arkusz danych(PDF) 4 Page - Analog Devices |
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AD8244BRMZ Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 20 page AD8244 Data Sheet VS = ±5 V, TA = 25°C, VIN = 0 V, RL = 10 kΩ, unless otherwise noted. Table 2. Parameter Test Conditions/Comments AD8244A AD8244B Unit Min Typ Max Min Typ Max DC PERFORMANCE Offset Voltage 100 600 100 350 µV Over Temperature TA = −40°C to +85°C 1.25 0.675 mV Average Temperature Coefficient TA = −40°C to +85°C 10 5 µV/°C Offset Voltage Matching Channel to channel 800 500 µV Input Bias Current 0.5 10 0.5 2 pA Over Temperature TA = 85°C 150 50 pA Input Bias Current Matching Channel to channel 0.05 0.05 0.2 pA Over Temperature TA = 85°C 2 2 pA SYSTEM PERFORMANCE Nominal Gain 1 1 V/V System Error1 VOUT = −3 V to +3 V 0.05 0.03 % Average Temperature Coefficient TA = −40°C to +85°C 2 1 ppm/°C Gain Matching Channel to channel 0.08 0.05 % Nonlinearity VOUT = −3 V to +3 V 20 20 ppm NOISE PERFORMANCE Voltage Noise Spectral Density f = 1 kHz 13 13 nV/√Hz Peak-to-Peak f = 0.1 Hz to 10 Hz 0.4 0.4 2 µV p-p Current Noise Spectral Density f = 1 kHz 0.8 0.8 fA/√Hz Peak-to-Peak f = 0.1 Hz to 10 Hz 8 8 fA p-p DYNAMIC PERFORMANCE Small Signal Bandwidth −3 dB 3.3 3.3 MHz Slew Rate 0.8 0.8 V/µs Settling Time to 0.01% VOUT = −3 V to +3 V 14 14 µs INPUT CHARACTERISTICS Input Voltage Range2 −5 +4 −5 +4 V Over Temperature TA = −40°C to +85°C –5 +3.5 –5 +3.5 V Input Impedance3 10||4 10||4 TΩ||pF OUTPUT CHARACTERISTICS Output Swing RL = 10 kΩ −4.9 +4.9 −4.9 +4.9 V Over Temperature TA = −40°C to +85°C –4.88 +4.88 –4.88 +4.88 V Output Swing RL = no load −4.975 +4.97 −4.975 +4.97 V Over Temperature TA = −40°C to +85°C –4.95 +4.95 –4.95 +4.95 V Short-Circuit Current 10 10 mA Capacitive Load Drive 200 200 pF POWER SUPPLY Operating Range Single supply 3 36 3 36 V Dual supply ±1.5 ±18 ±1.5 ±18 V Power Supply Rejection VS = ±3 V to ±18 V 90 80 90 dB Supply Current per Amplifier IOUT = 0 mA 180 250 180 250 µA Over Temperature TA = −40°C to +85°C 300 300 µA TEMPERATURE RANGE Specified Performance TA −40 +85 −40 +85 °C 1 Error as a percentage of the measurement. This includes the effects of open-loop gain and common-mode rejection ratio. 2 The inputs of the AD8244 can go up to the positive supply; however, the input range is derated because error increases near the positive supply as the input transistors start to saturate. 3 For more information on the input impedance, see Figure 24 and Figure 37. Rev. 0 | Page 4 of 20 |
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