Datasheet AD8274 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Very Low Distortion, Precision Difference Amplifier |
| Pages / Page | 16 / 3 — AD8274. SPECIFICATIONS. Table 2. G = ½. G = 2. Parameter. Conditions. … |
| Revision | C |
| File Format / Size | PDF / 377 Kb |
| Document Language | English |
AD8274. SPECIFICATIONS. Table 2. G = ½. G = 2. Parameter. Conditions. Min. Typ Max. Unit
Model Line for this Datasheet
Text Version of Document
link to page 3 link to page 3 link to page 16 link to page 3 link to page 3 link to page 3 link to page 4 link to page 6 link to page 7
AD8274 SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 2 kΩ, unless otherwise noted.
Table 2. G = ½ G = 2 Parameter Conditions Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE Bandwidth 20 10 MHz Slew Rate 20 20 V/μs Settling Time to 0.1% 10 V step on output, 650 750 675 775 ns CL = 100 pF Settling Time to 0.01% 10 V step on output, 725 800 750 825 ns CL = 100 pF NOISE/DISTORTION1 THD + Noise f = 1 kHz, 0.00025 0.00035 % VOUT = 10 V p-p, 600 Ω load Noise Floor, RTO2 20 kHz BW −106 −100 dBu Output Voltage Noise f = 20 Hz to 20 kHz 3.5 7 μV rms (Referred to Output) f = 1 kHz 26 52 nV/√Hz GAIN Gain Error 0.03 0.03 % Gain Drift −40°C to +85°C 0.5 2 0.5 2 ppm/°C Gain Nonlinearity VOUT = 10 V p-p, 2 2 ppm 600 Ω load INPUT CHARACTERISTICS Offset3 Referred to output 150 700 300 1100 μV vs. Temperature −40°C to +85°C 3 6 μV/°C vs. Power Supply VS = ±2.5 V to ±18 V 5 10 μV/V Common-Mode Rejection VCM = ±40 V, 77 86 83 92 dB Ratio RS = 0 Ω, referred to input Input Voltage Range4 3(−VS + 1.5) 3(+VS − 1.5) 1.5(−VS + 1.5) 1.5(+VS – 1.5) V Impedance5 Differential VCM = 0 V 36 9 kΩ Common Mode6 9 9 kΩ OUTPUT CHARACTERISTICS Output Swing −VS + 1.5 +VS − 1.5 −VS + 1.5 +VS − 1.5 V Short-Circuit Current Limit Sourcing 90 90 mA Sinking 60 60 mA Capacitive Load Drive 200 1200 pF POWER SUPPLY Supply Current (per 2.3 2.6 2.3 2.6 mA Amplifier) TEMPERATURE RANGE Specified Performance −40 +85 −40 +85 °C 1 Includes amplifier voltage and current noise, as well as noise of internal resistors. 2 dBu = 20 log(V rms/0.7746). 3 Includes input bias and offset current errors. 4 May also be limited by absolute maximum input voltage or by the output swing. See the Absolute Maximum Ratings section and Figure 8 through Figure 11 for details. 5 Internal resistors are trimmed to be ratio matched but to have ±20% absolute accuracy. 6 Common mode is calculated by looking into both inputs. The common-mode impedance at only one input is 18 kΩ. Rev. C | Page 3 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION SHORT-CIRCUIT CURRENT ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION DC Performance AC Performance Production Costs Size DRIVING THE AD8274 POWER SUPPLIES INPUT VOLTAGE RANGE CONFIGURATIONS DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE
AD8274 SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 2 kΩ, unless otherwise noted.
Table 2. G = ½ G = 2 Parameter Conditions Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE Bandwidth 20 10 MHz Slew Rate 20 20 V/μs Settling Time to 0.1% 10 V step on output, 650 750 675 775 ns CL = 100 pF Settling Time to 0.01% 10 V step on output, 725 800 750 825 ns CL = 100 pF NOISE/DISTORTION1 THD + Noise f = 1 kHz, 0.00025 0.00035 % VOUT = 10 V p-p, 600 Ω load Noise Floor, RTO2 20 kHz BW −106 −100 dBu Output Voltage Noise f = 20 Hz to 20 kHz 3.5 7 μV rms (Referred to Output) f = 1 kHz 26 52 nV/√Hz GAIN Gain Error 0.03 0.03 % Gain Drift −40°C to +85°C 0.5 2 0.5 2 ppm/°C Gain Nonlinearity VOUT = 10 V p-p, 2 2 ppm 600 Ω load INPUT CHARACTERISTICS Offset3 Referred to output 150 700 300 1100 μV vs. Temperature −40°C to +85°C 3 6 μV/°C vs. Power Supply VS = ±2.5 V to ±18 V 5 10 μV/V Common-Mode Rejection VCM = ±40 V, 77 86 83 92 dB Ratio RS = 0 Ω, referred to input Input Voltage Range4 3(−VS + 1.5) 3(+VS − 1.5) 1.5(−VS + 1.5) 1.5(+VS – 1.5) V Impedance5 Differential VCM = 0 V 36 9 kΩ Common Mode6 9 9 kΩ OUTPUT CHARACTERISTICS Output Swing −VS + 1.5 +VS − 1.5 −VS + 1.5 +VS − 1.5 V Short-Circuit Current Limit Sourcing 90 90 mA Sinking 60 60 mA Capacitive Load Drive 200 1200 pF POWER SUPPLY Supply Current (per 2.3 2.6 2.3 2.6 mA Amplifier) TEMPERATURE RANGE Specified Performance −40 +85 −40 +85 °C 1 Includes amplifier voltage and current noise, as well as noise of internal resistors. 2 dBu = 20 log(V rms/0.7746). 3 Includes input bias and offset current errors. 4 May also be limited by absolute maximum input voltage or by the output swing. See the Absolute Maximum Ratings section and Figure 8 through Figure 11 for details. 5 Internal resistors are trimmed to be ratio matched but to have ±20% absolute accuracy. 6 Common mode is calculated by looking into both inputs. The common-mode impedance at only one input is 18 kΩ. Rev. C | Page 3 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION SHORT-CIRCUIT CURRENT ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION DC Performance AC Performance Production Costs Size DRIVING THE AD8274 POWER SUPPLIES INPUT VOLTAGE RANGE CONFIGURATIONS DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE
