Datasheet AD629 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | High Common-Mode Voltage, Difference Amplifier |
| 页数 / 页 | 16 / 3 — AD629. SPECIFICATIONS. Table 1. AD629A. AD629B. Parameter. Condition. Min … |
| 修订版 | C |
| 文件格式/大小 | PDF / 413 Kb |
| 文件语言 | 英语 |
AD629. SPECIFICATIONS. Table 1. AD629A. AD629B. Parameter. Condition. Min Typ Max Min Typ Max Unit
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AD629 SPECIFICATIONS
TA = 25°C, VS = ±15 V, unless otherwise noted.
Table 1. AD629A 1 AD629B Parameter Condition Min Typ Max Min Typ Max Unit
GAIN VOUT = ±10 V, RL = 2 kΩ Nominal Gain 1 1 V/V Gain Error 0.01 0.05 0.01 0.03 % Gain Nonlinearity 4 10 4 10 ppm RL = 10 kΩ 1 1 3 ppm Gain vs. Temperature TA = TMIN to TMAX 3 10 3 10 ppm/°C OFFSET VOLTAGE Offset Voltage 0.2 1 0.1 0.5 mV VS = ±5 V 1 mV vs. Temperature TA = TMIN to TMAX 6 20 3 10 μV/°C vs. Supply (PSRR) VS = ±5 V to ± 15 V 84 100 90 110 dB INPUT Common-Mode Rejection Ratio VCM = ±250 V dc 77 88 86 96 dB TA = TMIN to TMAX 73 82 dB VCM = 500 V p-p, dc to 500 Hz 77 86 dB VCM = 500 V p-p, dc to 1 kHz 88 90 dB Operating Voltage Range Common mode ±270 ±270 V Differential ±13 ±13 V Input Operating Impedance Common mode 200 200 kΩ Differential 800 800 kΩ OUTPUT Operating Voltage Range RL = 10 kΩ ±13 ±13 V RL = 2 kΩ ±12.5 ±12.5 V VS = ±12 V, RL = 2 kΩ ±10 ±10 V Output Short-Circuit Current ±25 ±25 mA Capacitive Load Stable operation 1000 1000 pF DYNAMIC RESPONSE Small Signal –3 dB Bandwidth 500 500 kHz Slew Rate 1.7 2.1 1.7 2.1 V/μs Full Power Bandwidth VOUT = 20 V p-p 28 28 kHz Settling Time 0.01%, VOUT = 10 V step 15 15 μs 0.1%, VOUT = 10 V step 12 12 μs 0.01%, VCM = 10 V step, VDIFF = 0 V 5 5 μs OUTPUT NOISE VOLTAGE 0.01 Hz to 10 Hz 15 15 μV p-p Spectral Density, ≥100 Hz2 550 550 nV/√Hz POWER SUPPLY Operating Voltage Range ±2.5 ±18 ±2.5 ±18 V Quiescent Current VOUT = 0 V 0.9 1 0.9 1 mA TMIN to TMAX 1.2 1.2 mA TEMPERATURE RANGE For Specified Performance TA = TMIN to TMAX −40 +85 −40 +85 °C 1 Specifications for the AD629 A grade are also valid for the die model (listed in the Ordering Guide as AD629AC-WP). 2 See Figure 21. Rev. C | Page 3 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS BASIC CONNECTIONS SINGLE-SUPPLY OPERATION SYSTEM-LEVEL DECOUPLING AND GROUNDING USING A LARGE SENSE RESISTOR OUTPUT FILTERING OUTPUT CURRENT AND BUFFERING A GAIN OF 19 DIFFERENTIAL AMPLIFIER ERROR BUDGET ANALYSIS EXAMPLE 1 ERROR BUDGET ANALYSIS EXAMPLE 2 OUTLINE DIMENSIONS ORDERING GUIDE
AD629 SPECIFICATIONS
TA = 25°C, VS = ±15 V, unless otherwise noted.
Table 1. AD629A 1 AD629B Parameter Condition Min Typ Max Min Typ Max Unit
GAIN VOUT = ±10 V, RL = 2 kΩ Nominal Gain 1 1 V/V Gain Error 0.01 0.05 0.01 0.03 % Gain Nonlinearity 4 10 4 10 ppm RL = 10 kΩ 1 1 3 ppm Gain vs. Temperature TA = TMIN to TMAX 3 10 3 10 ppm/°C OFFSET VOLTAGE Offset Voltage 0.2 1 0.1 0.5 mV VS = ±5 V 1 mV vs. Temperature TA = TMIN to TMAX 6 20 3 10 μV/°C vs. Supply (PSRR) VS = ±5 V to ± 15 V 84 100 90 110 dB INPUT Common-Mode Rejection Ratio VCM = ±250 V dc 77 88 86 96 dB TA = TMIN to TMAX 73 82 dB VCM = 500 V p-p, dc to 500 Hz 77 86 dB VCM = 500 V p-p, dc to 1 kHz 88 90 dB Operating Voltage Range Common mode ±270 ±270 V Differential ±13 ±13 V Input Operating Impedance Common mode 200 200 kΩ Differential 800 800 kΩ OUTPUT Operating Voltage Range RL = 10 kΩ ±13 ±13 V RL = 2 kΩ ±12.5 ±12.5 V VS = ±12 V, RL = 2 kΩ ±10 ±10 V Output Short-Circuit Current ±25 ±25 mA Capacitive Load Stable operation 1000 1000 pF DYNAMIC RESPONSE Small Signal –3 dB Bandwidth 500 500 kHz Slew Rate 1.7 2.1 1.7 2.1 V/μs Full Power Bandwidth VOUT = 20 V p-p 28 28 kHz Settling Time 0.01%, VOUT = 10 V step 15 15 μs 0.1%, VOUT = 10 V step 12 12 μs 0.01%, VCM = 10 V step, VDIFF = 0 V 5 5 μs OUTPUT NOISE VOLTAGE 0.01 Hz to 10 Hz 15 15 μV p-p Spectral Density, ≥100 Hz2 550 550 nV/√Hz POWER SUPPLY Operating Voltage Range ±2.5 ±18 ±2.5 ±18 V Quiescent Current VOUT = 0 V 0.9 1 0.9 1 mA TMIN to TMAX 1.2 1.2 mA TEMPERATURE RANGE For Specified Performance TA = TMIN to TMAX −40 +85 −40 +85 °C 1 Specifications for the AD629 A grade are also valid for the die model (listed in the Ordering Guide as AD629AC-WP). 2 See Figure 21. Rev. C | Page 3 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS BASIC CONNECTIONS SINGLE-SUPPLY OPERATION SYSTEM-LEVEL DECOUPLING AND GROUNDING USING A LARGE SENSE RESISTOR OUTPUT FILTERING OUTPUT CURRENT AND BUFFERING A GAIN OF 19 DIFFERENTIAL AMPLIFIER ERROR BUDGET ANALYSIS EXAMPLE 1 ERROR BUDGET ANALYSIS EXAMPLE 2 OUTLINE DIMENSIONS ORDERING GUIDE