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AD8208WBRZ-R7 Datasheet(PDF) 3 Page - Analog Devices |
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AD8208WBRZ-R7 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 20 page  Data Sheet AD8208 Rev. C | Page 3 of 20 SPECIFICATIONS TOPR = −40°C to +125°C for AD8208WBR and AD8208WBRM grade, TOPR = −40°C to +150°C for AD8208WHR grade, TA = 25°C, VS = 5 V, RL = 25 kΩ (RL is the output load resistor), unless otherwise noted. Specifications applicable for both packages (SOIC and MSOP). Table 1. Parameter Test Conditions1 Min Typ Max Unit SYSTEM GAIN Initial 20 V/V Error vs. Temperature 0.075 V ≤ VOUT ≤ (VS − 0.1 V), dc, TOPR ±0.3 % Gain Drift TOPR 0 −20 ppm/°C VOLTAGE OFFSET Initial Input Offset (Referred to Input [RTI]) VCM = 0.15 V, TA ±2 mV Input Offset (RTI) Over Temperature VCM = 0 V, TOPR ±4 mV Voltage Offset vs. Temperature VCM = 0 V, TOPR −20 +20 µV/°C INPUT Input Impedance Differential 360 400 440 kΩ Common Mode 180 200 220 kΩ VCM (Continuous) −2 +45 V CMRR2 VCM = −2 V to +45 V, dc 80 100 dB f = dc to 10 kHz,3 TOPR 80 dB PREAMPLIFIER (A1) Gain 10 V/V Gain Error 0.05 V ≤ VOUT ≤ (VS − 0.1 V), dc, TOPR −0.3 +0.3 % Output Voltage Range AD8208WBR, AD8208WBRM 0.0375 VS − 0.1 V AD8208WHR, AD8208WHRM 0.05 VS − 0.1 V Output Resistance 97 100 103 kΩ OUTPUT BUFFER (A2) Gain 2 V/V Gain Error 0.075 V ≤ VOUT ≤ (VS − 0.1 V), dc, TOPR −0.3 +0.3 % Output Voltage Range4, 5 RL = 25 kΩ, differential Input (V) = 0 V, TOPR Pin 3 (A1 output) driving Pin 4 (A2 input) AD8208WBR, AD8208WBRM 0.075 VS − 0.1 V AD8208WHR, AD8208WHRM 0.1 VS − 0.12 V Output Voltage Range6 Pin 4 (A2 input) driven with external source AD8208WBR, AD8208WBRM 0.075 VS − 0.1 V AD8208WHR, AD8208WHRM 0.1 VS − 0.12 V Input Bias Current TOPR 50 nA Output Resistance RL = 1 kΩ, frequency = dc 2 Ω DYNAMIC RESPONSE System Bandwidth VIN = 0.01 V p-p, VOUT = 0.14 V p-p 70 kHz Slew Rate VIN = 0.28 V, VOUT = 4 V step 1 V/µs NOISE 0.1 Hz to 10 Hz 20 µV p-p Spectral Density, 1 kHz (RTI) 500 nV/√Hz POWER SUPPLY Operating Range 4.5 5.5 V Quiescent Current Typical, TA 1.6 mA Quiescent Current vs. Temperature VOUT = 0.1 V dc, VS = 5 V, TOPR AD8208WBR, AD8208WBRM 2.7 mA AD8208WHR, AD8208WHRM 3.0 mA PSRR VS = 4.5 V to 5.5 V, TOPR 66 80 dB |
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