Datasheet AD8224 (Analog Devices) - 7

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Data Sheet AD8224 Test Conditions/ A Grade B Grade Parameter Comments Min Typ Max Min Typ Max Unit
GAIN G = 1 + (49.4 kΩ/R ) G Gain Range 1 1000 1 1000 V/V Gain Error G = 1 V = 0.3 V to 2.9 V 0.06 0.04 % OUT G = 10 V = 0.3 V to 3.8 V 0.3 0.2 % OUT G = 100 V = 0.3 V to 3.8 V 0.3 0.2 % OUT G = 1000 V = 0.3 V to 3.8 V 0.3 0.2 % OUT Nonlinearity V = 0.3 V to 2.9 V for G = 1 OUT V = 0.3 V to 3.8 V for G > 1 OUT G = 1 R = 10 kΩ 35 50 35 50 ppm L G = 10 R = 10 kΩ 35 50 35 50 ppm L G = 100 R = 10 kΩ 50 75 50 75 ppm L G = 1000 R = 10 kΩ 90 115 90 115 ppm L G = 1 R = 2 kΩ 35 50 35 50 ppm L G = 10 R = 2 kΩ 35 50 35 50 ppm L G = 100 R = 2 kΩ 50 75 50 75 ppm L G = 1000 R = 2 kΩ 175 200 175 200 ppm L Gain vs. Temperature G = 1 3 10 2 5 ppm/°C G > 10 −50 −50 ppm/°C INPUT Impedance (Pin to Ground)4 104||6 104||6 GΩ||pF Input Voltage Range5 −0.1 +V − 2 −0.1 +V − 2 V S S Over Temperature T = −40°C to +85°C −0.1 +V − 2.1 −0.1 +V − 2.1 V S S OUTPUT Output Swing R = 2 kΩ 0.25 4.75 0.25 4.75 V L Over Temperature T = −40°C to +85°C 0.3 4.70 0.3 4.70 V Output Swing R = 10 kΩ 0.15 4.85 0.15 4.85 V L Over Temperature T = −40°C to +85°C 0.2 4.80 0.2 4.80 V Short-Circuit Current 15 15 mA POWER SUPPLY Operating Range 4.5 36 4.5 36 V Quiescent Current (Per Amplifier) 750 800 750 800 µA Over Temperature T = −40°C to +85°C 850 900 850 900 µA TEMPERATURE RANGE For Specified Performance −40 +85 −40 +85 °C Operational6 −40 +125 −40 +125 °C 1 When the output sinks more than 4 mA, use a 47 pF capacitor in parallel with the load to prevent ringing. Otherwise, use a larger load, such as 10 kΩ. 2 Refers to the differential configuration shown in Figure 64. 3 Refer to Figure 15 and Figure 16 for the relationship between input current and temperature. 4 Differential and common-mode impedance can be calculated from the pin impedance: ZDIFF = 2(ZPIN); ZCM = ZPIN/2. 5 The AD8224 can operate up to a diode drop below the negative supply, but the bias current increases sharply. The input voltage range reflects the maximum allowable voltage where the input bias current is within the specification. 6 The AD8224 is characterized from −40°C to +125°C. See the Typical Performance Characteristics section for expected operation in that temperature range. Rev. D | Page 7 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION GAIN SELECTION REFERENCE TERMINAL LAYOUT Package Considerations Hidden Paddle Package Exposed Pad Package Common-Mode Rejection over Frequency Reference Power Supplies SOLDER WASH INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DRIVING AN ADC DIFFERENTIAL OUTPUT Setting the Common-Mode Voltage 2-Channel Differential Output Using a Dual Op Amp DRIVING A DIFFERENTIAL INPUT ADC First Antialiasing Filter Second Antialiasing Filter Reference DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE