Datasheet AD628 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | High Common-Mode Voltage, Programmable Gain Difference Amplifier |
| Seiten / Seite | 20 / 3 — AD628. SPECIFICATIONS. Table 1. AD628AR. AD628ARM. Parameter. Conditions. … |
| Revision | G |
| Dateiformat / Größe | PDF / 361 Kb |
| Dokumentensprache | Englisch |
AD628. SPECIFICATIONS. Table 1. AD628AR. AD628ARM. Parameter. Conditions. Min. Typ. Max. Unit
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AD628 SPECIFICATIONS
TA = 25°C, VS = ±15 V, RL = 2 kΩ, REXT1 = 10 kΩ, REXT2 = ∞, VREF = 0 V, unless otherwise noted.
Table 1. AD628AR AD628ARM Parameter Conditions Min Typ Max Min Typ Max Unit
DIFFERENTIAL AND OUTPUT AMPLIFIER Gain Equation G = +0.1 (1 + REXT1/REXT2) V/V Gain Range See Figure 29 0.11 100 0.11 100 V/V Offset Voltage VCM = 0 V; RTI of input pins2; −1.5 +1.5 −1.5 +1.5 mV output amplifier G = +1 vs. Temperature 4 8 4 8 μV/°C CMRR3 RTI of input pins; 75 75 dB G = +0.1 to +100 500 Hz 75 75 dB Minimum CMRR Over Temperature −40°C to +85°C 70 70 dB vs. Temperature 1 4 1 4 (μV/V)/°C PSRR (RTI) VS = ±10 V to ±18 V 77 94 77 94 dB Input Voltage Range Common Mode −120 +120 −120 +120 V Differential −120 +120 −120 +120 V Dynamic Response Small Signal Bandwidth −3 dB G = +0.1 600 600 kHz Full Power Bandwidth 5 5 kHz Settling Time G = +0.1, to 0.01%, 100 V step 40 40 μs Slew Rate 0.3 0.3 V/μs Noise (RTI) Spectral Density 1 kHz 300 300 nV/√Hz 0.1 Hz to 10 Hz 15 15 μV p-p DIFFERENTIAL AMPLIFIER Gain 0.1 0.1 V/V Error −0.1 +0.01 +0.1 −0.1 +0.01 +0.1 % vs. Temperature 5 5 ppm/°C Nonlinearity 5 5 ppm vs. Temperature 3 10 3 10 ppm Offset Voltage RTI of input pins −1.5 +1.5 −1.5 +1.5 mV vs. Temperature 8 8 μV/°C Input Impedance Differential 220 220 kΩ Common Mode 55 55 kΩ CMRR4 RTI of input pins; 75 75 dB G = +0.1 to +100 500 Hz 75 75 dB Minimum CMRR Over Temperature −40°C to +85°C 70 70 dB vs. Temperature 1 4 1 4 (μV/V)/°C Output Resistance 10 10 kΩ Error −0.1 +0.1 −0.1 +0.1 % Rev. G | Page 3 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION APPLICATIONS INFORMATION GAIN ADJUSTMENT INPUT VOLTAGE RANGE VOLTAGE LEVEL CONVERSION CURRENT LOOP RECEIVER MONITORING BATTERY VOLTAGES FILTER CAPACITOR VALUES KELVIN CONNECTION OUTLINE DIMENSIONS ORDERING GUIDE
AD628 SPECIFICATIONS
TA = 25°C, VS = ±15 V, RL = 2 kΩ, REXT1 = 10 kΩ, REXT2 = ∞, VREF = 0 V, unless otherwise noted.
Table 1. AD628AR AD628ARM Parameter Conditions Min Typ Max Min Typ Max Unit
DIFFERENTIAL AND OUTPUT AMPLIFIER Gain Equation G = +0.1 (1 + REXT1/REXT2) V/V Gain Range See Figure 29 0.11 100 0.11 100 V/V Offset Voltage VCM = 0 V; RTI of input pins2; −1.5 +1.5 −1.5 +1.5 mV output amplifier G = +1 vs. Temperature 4 8 4 8 μV/°C CMRR3 RTI of input pins; 75 75 dB G = +0.1 to +100 500 Hz 75 75 dB Minimum CMRR Over Temperature −40°C to +85°C 70 70 dB vs. Temperature 1 4 1 4 (μV/V)/°C PSRR (RTI) VS = ±10 V to ±18 V 77 94 77 94 dB Input Voltage Range Common Mode −120 +120 −120 +120 V Differential −120 +120 −120 +120 V Dynamic Response Small Signal Bandwidth −3 dB G = +0.1 600 600 kHz Full Power Bandwidth 5 5 kHz Settling Time G = +0.1, to 0.01%, 100 V step 40 40 μs Slew Rate 0.3 0.3 V/μs Noise (RTI) Spectral Density 1 kHz 300 300 nV/√Hz 0.1 Hz to 10 Hz 15 15 μV p-p DIFFERENTIAL AMPLIFIER Gain 0.1 0.1 V/V Error −0.1 +0.01 +0.1 −0.1 +0.01 +0.1 % vs. Temperature 5 5 ppm/°C Nonlinearity 5 5 ppm vs. Temperature 3 10 3 10 ppm Offset Voltage RTI of input pins −1.5 +1.5 −1.5 +1.5 mV vs. Temperature 8 8 μV/°C Input Impedance Differential 220 220 kΩ Common Mode 55 55 kΩ CMRR4 RTI of input pins; 75 75 dB G = +0.1 to +100 500 Hz 75 75 dB Minimum CMRR Over Temperature −40°C to +85°C 70 70 dB vs. Temperature 1 4 1 4 (μV/V)/°C Output Resistance 10 10 kΩ Error −0.1 +0.1 −0.1 +0.1 % Rev. G | Page 3 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION APPLICATIONS INFORMATION GAIN ADJUSTMENT INPUT VOLTAGE RANGE VOLTAGE LEVEL CONVERSION CURRENT LOOP RECEIVER MONITORING BATTERY VOLTAGES FILTER CAPACITOR VALUES KELVIN CONNECTION OUTLINE DIMENSIONS ORDERING GUIDE